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The Impact of Environmental Change on African-American Youth Physical Activity in an Urban Community Park: A Pilot Study
Minority group youth are falling below the recommended physical activity levels
(Centers for Disease Control and Prevention, 2003; Centers for Disease Control and Prevention,
2007), and increasing physical activity requires a creative approach to developing effective
health promotion interventions to accomplish this goal. Ecological theory suggests that building
environmental support for health behaviors can be a powerful health communication intervention
strategy (Kreps, 2008; Sallis, Cervero, Ascher, Henderson, Kraft, & Kerr, 2006). For example,
there is a growing body of research indicating that the design of physical environments can
encourage or discourage physical activity in both adults and children (Davison & Lawson, 2006;
Duncan, Spence, & Mummery, 2005; Transportation Research Board, 2005; Humpel, Marshall,
Leslie, Bauman, & Owen, 2004; Saelens, Sallis, & Frank, 2003; Sallis, Bauman, & Pratt, 1998).
Studies have also shown that there are strong relationships between physical activity and
environmental design (Transportation Research Board, 2005; Sallis and Glanz, 2006),
particularly as applied to revitalized physical environments. In essence, we believe that
environmental design can serve as a key factor influencing physical activity.
However, there have been a limited number of studies conducted and results are mixed
concerning the influences of public built environmental change on minority youth physical
activity levels (Boarnet, Anderson, Day, McMillan, & Alfonzo, 2005; Evenson, Herring, &
Huston, 2005; Merom, Bauman, Vita, & Close, 2003). Some research suggests that children’s
physical activity levels at school can be improved by increasing the accessibility of quality play
spaces (Sallis, Cervero, Ascher, Henderson, Kraft, & Kerr, 2006; Wechsler, Devereaux, Davis,
& Collins, 2000; Stone, McKenzie, Welk, & Booth, 1998). A study by Colabianchi, Kinsella,
Coulton, and Moore concluded that renovated play environments in urban areas result in higher
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utilization rates (2009).
This pilot study examines the physical activity levels of African American youth in an
undeveloped urban park environment versus a re-built urban park environment. The first section
of this paper reviews the literature on urban revitalization, park facilities and development, and
physical activity. The second section describes the research design to test the hypothesized
relationship between revitalized park facilities and physical activity levels of African-American
youth. It includes the setting of the study, the direct field observation instrument and procedures,
the sample population, and data analysis approach. The final section analyzes the results in light
of the pilot study’s limitations and proposes directions for future research.
Literature Review
According to a review of current physical activity studies, the Centers for Disease
Control and Prevention (CDC) established guidelines recommending that children and
adolescents should partake in one hour or more of physical activity each day (CDC, 2008).
People living in low-income areas and communities of color often have less access to recreation
facilities, and face unique environmental challenges that may make it difficult for them to engage
in the recommended amount of physical activity (Moore, Diez, Roux, Evenson, McGinn, &
Brines, 2008; Filner, 2006; Powell, Slater, & Chaloupka, 2006; Wilson, 1987; Deutsche, 1986).
This research is vital to designing, implementing, and sustaining public health policies and
environmental changes to urban community park spaces that could potentially increase the
physical activity of minority youth in communities and enhance health outcomes. Previous
literature has addressed the effects of urban revitalization, park facilities and development, and
physical activity.
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Urban Revitalization
Current and past research has taken a vested interest in the revitalization of struggling
urban neighborhoods. After years of decline and disuse of many urban communities, a
confluence of local businesses, government agencies, and neighborhood groups have worked
together to help rebuild these areas (Filner, 2006; Wilson, 1987; Deutsche, 1986). Specifically,
Wilson (1987) found that while motivated by a diverse range of goals, collaborating institutions
were able to collectively reshape an urban park to help increase physical activity and investment
in the revitalized neighborhood. In this case, the socio-economic status of the neighborhood
changed within that decade due in part to the urban park revitalization project.
In the early 1990s, the Minneapolis Community Development agency launched a
National Revitalization Program (NRP) as an effort to improve parks, schools, and homes
(Filner, 2006). The NRP revealed the true benefits of establishing a participatory system when
revitalizing a community. For instance, community members were more prone to feel like they
are a part of the decision making process when they had a voice in revitalization efforts.
Therefore, the NRP composed volunteer boards that consisted of members from the
neighborhood (Filner, 2006). The board members were elected in a public forum and served a
two-year term. By creating local organizations to serve as participatory empowerment bodies,
NRP was able to develop neighborhood activists who created a sense of community and
government/community involvement (Filner, 2006). By developing these activists, NRP helped
to communicate a sense of community and a strong sense of collaboration between the
government and community members. Filner’s (2006) study, done as a part of the Minneapolis
Community Development Agency’s Neighborhood Revitalization Program, demonstrates the
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importance of establishing participatory community involvement throughout any urban
revitalization process.
In the past, changes in violence have been addressed as a product of urban revitalization
(Ferré, 1987). Ferré’s (1987) article discussed the Ponce Playa Project which is based on the
principle that a community made aware of its own resources will revitalize, and create a more
humane and more satisfying lifestyles for community members, including its children. The
project focused on three strategies: awakening a sense of personal worth, creating a vision
expressed in community, and participating in a revitalization process (Ferré, 1987).
Implementing these changes created a community-centered focus to the project that helped
families and children feel safer in their neighborhood.
Park Facilities and Development
A significant benefit to urban park revitalization is the focus on community facilities,
specifically public parks and recreation areas. When a park or playground has been renovated,
children may be more likely to engage in physical activity there (Wilson, 1987). The CDC
suggests the use of park equipment to stimulate physical activity in children (CDC, 2008).
Younger children usually strengthen their muscles when they engage in gymnastics, play on a
jungle gym or climb trees (Physical Activity for Everyone, 2009). However, the ability for
children and adolescents to partake in these activities may be limited because of their access to
recreational facilities.
Studies have shown that commercial physical activity–related facilities, such as health
clubs or gyms, were less likely to be present in lower-income neighborhoods and in
neighborhoods with higher proportions of racial minorities (Powell, Slater, & Chaloupka, 2006).
However, many of the parks that do exist in urban areas have not been well-maintained,
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equipped, or utilized (Wilson, 1987). Improving park facilities could be an important strategy to
increase the physical activity levels of urban minority youth (Moore, Diez, Roux, Evenson,
McGinn, & Brines, 2008). Thus, built environment such as a park with a playground and
equipment might encourage youth and adolescents to use these facilities.
Physical Activity
Research has suggested that with the implementation of park revitalization in urban areas,
physical activity may increase among neighborhood children (Powell et al., 2006). Studies have
also shown that there is an increasing prevalence of childhood obesity among preschoolers who
live farther away from playgrounds and in unsafe neighborhoods (Burdette & Whitaker, 2004).
Powell et al. (2006) found that ecological models suggest that environmental barriers to physical
activity may be an important factor that can be modified to facilitate more physical activity.
Recent studies have begun to examine the importance of a series of different types of
environmental factors, including aesthetics, safety, traffic, and the availability of physical
activity-related facilities and outdoor spaces, among others. Research has shown that public
parks are critical resources for physical activity in minority communities (Cohen, McKenzie,
Sehgal, Williamson, Golinelli, & Lurie, 2007). Residential proximity to the parks or recreation
areas also influences the amount of physical activity that takes place at that location (Sallis,
Hovell, Hofstetter, Elder, Hackley, Caspersen, & Powell, 1990). Therefore, the closer residents
or families are to a neighborhood park facility; the more children will utilize the park to play
(engage in physical activity).
Children and adolescents need three types of activities for health: aerobic activity, muscle
strengthening, and bone strengthening (Physical Activity for Everyone, 2009). Brownson,
Boehmer, and Luke (2007) found that childhood and adolescence are key times to form lifelong
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eating and physical activity habits. Furthermore, there are large racial and ethnic differences in
the pervasiveness of overweight and obesity suggesting that culturally sensitive approaches to
promoting physical activity are needed (Brownson et al., 2007). Sensitivity to racial and ethnic
differences that may affect health behaviors and body weight status, such as differences in local
communities, perceptions of body weight, food preparation practices, eating practices, and
physical activity/inactivity patterns is needed by both policy makers and public health workers
(Brownson et al., 2007). Focusing attention on the demographics of the community will
contribute to proper implementation of urban park community revitalization projects.
Children in urban areas are at high risk of developing childhood obesity (Dietz, 1983).
Both energy intake and energy expenditure are involved in the development of obesity, as shown
by the effectiveness of behavior change in treating childhood obesity (Epstein, 1986; Saris,
1986). Addressing childhood obesity is complex and requires a multi-pronged approach.
Improving the urban community with revitalized built environments is a first step. Other steps
are needed such as longitudinal physical activity studies and self-efficacy improvements aimed at
the children and families within communities. First, more longitudinal physical activity studies
are needed to determine the contribution of eating and physical activity behaviors to the
development of obesity (Marcus, Dubbert, Forsyth, McKenzie, Stone, Dunn, & Blair, 2000;
McKenzie, Sallis, Nader, Patterson, Elder, Berry, Rupp, Atkins, Buono, & Nelson, 1991).
Second, interventions promoting physical activity for children (particularly obese children)
should attempt to bolster self-efficacy in regards to exercise and increased awareness of
community physical activity outlets (Trost, Kerr, Ward and Pate, 2001).
In the past, urban park revitalization has been associated with increasing youth physical
activity in urban areas. However, few recent studies have been conducted on this topic (Cohen et
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al, 2007). Much of the empirical literature was published over 20 years ago (Ferré, 1987;
Wilson, 1987; Deutsche, 1986). Nevertheless, based on the current review of the literature on
urban revitalization, park facilities and development, and physical activity, this pilot study
advances the following hypothesis:
H1: Implementation of environmental changes to public park facilities in an urban
area will lead to increased physical activity by African-American youth.
Method
The pilot study tested the relationship between the independent variable, environmental
changes to park facilities, and the dependent variable, physical activity of African-American
youth. Regarding environmental changes, the research team chose two sites in Washington,
D.C: Marvin Gaye Park (MGP), a recently renovated park in a largely African-American
community, and a comparison park, Oxon Run Park (ORP), in a demographically similar
community. A specific area within Oxon Run Park was selected due to the comparable size and
location that roughly simulated the conditions of MGP prior to renovation. A comparison park
was used due to the lack of baseline data collected prior to the renovation of MGP.
Physical activity of African-American youth from 6 to 14 years was measured at the two
sites using direct field observation. The research team employed a predetermined coding
procedure, based on the System for Observing Play and Recreation in Communities (SOPARC)
(McKenzie & Cohen, 2006).
Parks
In 2008, the National Recreation and Park Association (NRPA) in association with other
public and private funding sources initiated the revitalization of MGP. MGP is located in an area
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which is 98% African-American and where 25% of the families live below the poverty line (U.S.
Bureau of the Census, 2000).
MGP, once referred to as "Needle Park," was a well-known drug haven littered with
thousands of pounds of broken beer bottles, empty beer cans, trash and used hypodermic needles
(Ricard, 2009; Sullivan, 2006). Prior to the park revitalization, MGP was an open parcel of
green-space with no recreational equipment. In August 2009, community residents celebrated
the opening of a new playground area within MGP which includes a brand new play area with
swing set and various modern playground activity stations including a cone-shaped activity
center complete with a swing and climbing nets, two spin apparatuses, and an octagon-shaped
piece of equipment with climbing nets. A special safety surface throughout the play area and
park benches around the perimeter completed the installation. There also was landscaping work
done to the park, as well as the introduction of an amphitheater that significantly changes the
physical environment of MGP. The renovation represents a significant environmental change for
the community served by the park, since the original condition of the park did not adequately
support youth physical activity to any extent and was not considered a safe location by the
community residents. The photographs in Figures 1 through 5 illustrate the differences between
MGP (that was renovated) and ORP (that was not renovated)..
The second site, ORP, was chosen as a comparison park because it simulates the
approximate size and type of playground area at MGP prior to renovation, although it does not
have all the debris that was part of the old MGP (Needle Park). The community where the park is
located is demographically similar to the MGP neighborhood, where almost all the residents are
African-American and the proportion of families living below the poverty line is 32% (U.S.
Bureau of the Census, 2000). The comparison park’s observation area has no equipment as was
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the case with MGP pre-renovation. However, ORP is located in a safer area, which is to say it
had no community reputation as being unsafe or did not demonstrate being inhabited by drug
dealers or drug users. In many ways, ORP is a very conservative comparison area for this study,
since it is much cleaner and safer than the old MGP area.
Observation Instrument
The pilot study used an adapted version of the SOPARC observational guide, a validated
tool for observing activity in parks (McKenzie & Cohen, 2006), as a reference for a starting point
to for observing activity in the MGP park. The SOPARC tool has a strong validity, having been
tested by observing 16,244 individuals in 165 park areas (McKenzie, Cohen, Sehgal,
Williamson, and Golinelli, 2006) as well as being used in numerous other studies on observing
physical activity and park use (Shores, West, 2009; Tester & Baker, 2009; Shores & West,
2008). SOPARC was designed to obtain observational data on the number of participants and
their physical activity levels in community environments (McKenzie et al., 2006). In addition,
SOPARC provides contextual information on the setting in which the physical activity occurs.
SOPARC is based on momentary time sampling that involves observing groups and
individuals at specified time intervals (McKenzie et al., 2006). Like the SOPARC tool, this
study’s observation instrument includes two parts. The first coding sheet examines the overall
conditions and activity in the park and the second focuses on individual participants. (See the
Snapshot Observation Code Sheet in Appendix A). As demonstrated in the SOPARC coding
schema, the study’s overall observation sheet asks for information on the location of the park,
date and time of observations, weather-related and park conditions (including equipment), and
total number of people in the park. The coding sheet includes space for recording gender,
primary and secondary activities of the target audience, as well as their activity level.
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The research team adapted the SOPARC tool to the objectives of the pilot study and to
the specific situation of the park and community in this study. The first and primary
modification was the focus on park visitors between the ages of 6 and 14. Second, all the park
participants were observed to be African-American so determination of race was not included in
the instrument. Third, like the SOPARC tool, “sedentary” was operationalized as sitting,
standing and lying down. However, only one category, “active,” was used for non-sedentary
activity, measured by observing walking, running, playing structured or unstructured games, and
using the equipment (spinning, swinging, and climbing). The limited nature of the activities that
could be performed in the renovated MGP space did not warrant distinguishing between
moderate and vigorous activity. In addition, a parallel section on the code sheet was included to
measure activity in MGP outside the renovated playground area in an adjacent grassy space that
was within observers’ eyesight.
As for individual participants, the SOPARC tool is designed to observe the general level
of activity (moderate or vigorous) of all participants in the park at 10-minute intervals. The
coders observed all participants at different time intervals, and recorded activity of individual
participants in-depth, one at a time, in the target age range (6 to 14 years) from the moment of
their entry into the park until their departure. (See the Individual Participant Code Sheet in
Appendix B.) The research team noted the duration of each activity for each participant
observed. In this way, the study could examine the use of the specific playground equipment and
of the spaces without equipment, as well as the level of activity in those areas. The code sheet
grid also enabled coders to note when sedentary activity was associated with a piece of
equipment or even a structured game, such as sitting on the swing set or sitting on the sidelines
watching children playing with a soccer ball.
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Observation Procedures
Observation areas in both the control and intervention parks were visited, and the size,
location, and boundaries of each space were determined. Detailed maps, including where the
coders performing observations were to stand or sit, were developed. Coders at MGP observed
from inside the playground area so that they could visually see all activities taking place there
and in the grassy area outside the playground within eyesight. The coders at the MGP park wore
Washington Parks & People t-shirts to show that they were endorsed by a well-respected
community organization. Researchers at ORP positioned themselves adjacent to the park area so
that observation of the entire area was possible.
Six coders conducted the observations after participating in a two-part training program.
The first part consisted of a classroom lecture and discussion session on observation techniques
and use of procedures which are detailed in the instructions for completing the code sheets. (See
the Coder Instructions in Appendix C.) The second part of the training included practice
observations and completion of the code sheets at the intervention park. Overall activity was
recorded five times during a two-hour session: once at the beginning, three times during the
session, and once at the end. Observers started the individual participant coding process when a
participant entered the park’s observation area. Participant selection for coding was random,
except when two or more children entered the park at the same time. In that case, the coders
chose which child to observe and code. In order to reduce the possibility of bias in choosing
which child to observe and code, none of the coders were from the community, nor did they
know anyone from the community, other than representatives of the Washington Parks & People
organization who served only in the capacity of community liaisons. (Washington Parks &
People is a non-profit organization dedicated to restoring and enhancing public parks in the
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National Capital Region). Observers recorded the selected participant’s total time in the park
and the amount of time spent on each piece of equipment, as well as non-equipment, activity
both inside and outside the playground area as well as the level of activity. They also noted if
the participants continued to be in the park after the two-hour recording session ended.
Following the training, the coders completed the code sheets independently for two
practice intervals in MGP to achieve satisfactory reliability according to reliability formula
suggested by Holsti (1969). The final calculated inter-rater reliability score was .94 across all
categories.
A total of 16 hours (eight two-hour coding sessions) were completed between October 3,
2009 and October 16, 2009. (See the coder schedule in Table 1.) Eight hours each were
recorded at MGP and at ORP. Coding was curtailed or canceled for another eight hours of
scheduled observation because of rain. Coding was later stopped after shooting incidents
occurred within the MGP community. The observer schedule was modified so that park visitors
and level of activity could be equally compared at the two parks at equivalent times of the day
and week.
Participants
Observers focused on African-American children in both parks who were between the
ages of 6 and 14, the target audience for the study. In some cases, the exact age of the
participants was confirmed by the Washington Parks & People volunteers who were assigned to
the observers. The coders recorded in detail activities for a total of 14 individual participants,
nine males and five females. Approximately 50% of the participants were from 6 to 10 years old
and 50% were from 11 to 14 years of age.
Data Analysis
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As the sample size was small (N=14), data were analyzed using summary statistics. The
following outcomes were calculated: (1) the average number of people, regardless of age, at any
one-half hour time interval at the two parks; (2) the most frequent activities engaged in by youth
in the target age group by gender; (3) the proportion of youth observed in the snapshot intervals
who were active versus sedentary; (4) the average amount of time spent in MGP by the
individual participants in the sample; (5) the proportion of time individuals in the target age
range engaged in active vs. sedentary participation; and (6) the proportion of time individual
participants engaged in playground equipment vs. non-equipment activity. The data analysis for
outcomes is only computed on both parks on Outcome #1: the average number of people,
regardless of age, at any one-half hour time interval at the two parks, as there were no activities
occurred in ORP to be coded.
Results
Outcome 1: Average Number of Park Visitors
The number of visitors to MGP playground recorded at 30-minute intervals varied from 0
to 48. Between 5:00 p.m. and 5:30 p.m., regardless of day of the week and amount of daylight
(all observations were done during the day), the number of visitors dropped dramatically. The
total participant count increased when a structured game, such as football, soccer or baseball,
was played in the grassy area adjacent to the MGP playground. The average number of visitors
at any one time on the weekends (when there was no active precipitation) was 21. Only one
observation was completed during the week and the average number of visitors over four
intervals was relatively low (4.5) with a range from 0 to 11, possibly because of conflicting after-
school activities, such as sports or other extracurricular activities
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In contrast to the observations in MGP, the only activity among persons aged 6 to 14
observed in the comparison park, ORP, was two high school-aged children walking across the
park to reach another destination for a six-minute period of time over the entire observation time
period.
Outcome 2: Most Frequently Observed MGP Activities
The research team recorded 148 observations of youth in the 6 to 14-year-old range who
were participating in primary and secondary activities over the entire observation time period.
However, the snapshot observations were taken at half-hour intervals and individual
participants could be double-counted if they continued to play in the park past 30 minute
intervals. Approximately one-half were female (75) and one-half were male (73). The
proportion of use of the playground equipment in relation to participation in non-equipment
activities was 78% to 22%, or more than four times as much. The results showed that 85% of the
activities took place inside the playground; 15% of the activities were observed in the grassy area
within eyesight of the observers.
The percentage of males and females engaged in primary and secondary activities (based
on the SOPARK observational tool) for each piece of equipment and non-equipment activity is
shown in Figure 1. The most frequent primary activity for females was use of the playground
equipment, especially the swing set (53%) and to a much lesser extent, the cone activity (27%).
Similarly, the playground equipment, especially the spin apparatus (35%) and the cone activity
(30%), was used by the largest proportion of females engaged in secondary activities. As for
primary activities for males, they participated in structured and unstructured games, such as
baseball, football, and catch, inside and outside the playground, to a much greater extent than
females (44% compared to 6%). However, for both primary and secondary activities, male park
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visitors also used the playground equipment. For example, 27% of those participating in primary
activities used the swing set and 29% used each of three pieces of equipment as a secondary
activity.
Outcome 3: Proportion of Active versus Sedentary Youth
The proportion of youth who were physically active while participating in the park in
primary and secondary activities was 76.7%, while 23.3% were sedentary. Females were more
active than males: 84% of the females were engaged actively in primary or secondary activities,
while 70% of the males were engaged in physical activities.
Outcome 4: Average Amount of Time in Park
In addition to snapshots of all visitors, data were collected on the individual participant
sample of 14 participants, nine males and five females. Due to the small sample size, the results
were not broken down by gender. The average amount of time spent in the park by all
individuals in the sample was 25.13 minutes.
Outcome 5: Proportion of Active versus Sedentary Individuals
The sample of observed individual participants spent an average of 77.3% of their time in
the park engaged in physical activity and 22.7% of the time in sedentary activities such as sitting,
standing, or lying down in the park.
Outcome 6: Proportion of Individual Time on Equipment versus Non-Equipment Activities
As seen in Figure 2, individual participants observed at MGP spent an average of 62.6%
of their time in the park on the playground equipment and 37.3% on non-equipment related
activities. The swing set and the spin apparatus represented 48% of the overall park use and
66.7% of the park equipment use.
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Even though the sample of individual participants (N=14) was small, the results support
the findings of the snapshot observations. For example, as noted above (Outcome #5), individual
participants spent an average of 77.3% of their time in active physical participation and 22.7% of
the time in sedentary activities. These figures are virtually identical to the proportion of active
versus sedentary youth participating in primary and secondary activities: 76.7%, to 23.3%
(Outcome #3). However, the collective results in terms of playground equipment vs. non-
equipment activity, the collective measurement of 78% equipment vs. 22% non-equipment
activity (Outcome #2) does not match the individual result of 63% playground equipment vs.
37% non-equipment (Outcome #6).
Discussion
Overall, the results of this pilot study strongly supported the research hypothesis:
Implementation of environmental changes to park facilities at MGP has resulted in increased
youth physical activity. The data indicate significant differences between the renovated park and
the comparison park in terms of youth physical activity rates and intensity. In contrast to the
comparison park, where very few visitors and minimal physical activity were observed, a sizable
number of youth visited the renovated park, especially on weekends with good weather, an
average of 21. This number of visitors account for only the period of time when the park was
being observed, not the total number of visitors per day. Most of the youth visitors actively
engaged in physical activity (76.7%), and used the park equipment (62.6%) for a fair amount of
time, an average of 25 minutes.
According to the International Consensus Conference on Physical Activity Guidelines for
Adolescents of CDC (CDC, 2008), it is recommended that “youth engage in one hour of aerobic
physical activity per day, with three of those days including bone-strengthening activities such as
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jumping rope or running and three of those days including muscle strengthening activities such
as gymnastics or push ups). Considering the fact that youth in this pilot study spent more than
75% of their time (approximately 18 minutes per a visit) participating in physical activity, the
renovated park may help youth achieve the recommended level of physical activity. In addition,
youth in the renovated park demonstrated a much higher level of physical activity in comparison
to a previous study that investigated physical activity in 165 park areas using the SOPARC tool
(McKenzie & Cohen, 2006). The observations by the MPG coders showed that park visitors
rarely engaged in moderate to vigorous activity (about 16% of total time spent in the park).
However, comparison of results is difficult because this pilot study did not replicate all of the
conditions of the McKenzie and Cohen (2006) research.
One interesting and unexpected result of this pilot study is that females were more active
than males: 84% of the females were engaged in either primary or secondary activities, while
70% of the males were physically active. This result contradicts previous studies showing that
males tend to visit parks in greater numbers than females, and males general demonstrate a
higher level of physical activity than females (e.g., Shores & West, 2009).
However, this study has limitations in terms of research design and measures. First, there
was no baseline comparison conducted at MGP prior to the renovation and it may be that ORP
does not exactly duplicate the conditions at the pre-renovated MGP. Second, the initial
observation schedule of 40 hours was curtailed because of rain (no coding was conducted) and a
gang-related drive by shooting in the neighborhood of the park. As a result, the sample size (N =
14) was inadequate for conducting statistical inferences. A longer period of observation is
needed to examine the relationship between seasonal variations and days of the week on the one
hand, and physical activity on the other. In this way, park designers and providers can develop
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and provide different activity programs depending on weather and other environmental
conditions.
Third, the use of direct observation as the only research method has significant
limitations. The park visitors were aware of the researchers’ presence. Though the coders
strived to avoid interaction with the park visitors, at times it was unavoidable. Furthermore, the
activity in the park was very dynamic. It was initially challenging for coders to track the usage
of the park facilities as well as the activity level of participants. Moreover, although some of the
threats to internal validity due to researcher bias (Frey, Botan, & Kreps, 2000) were controlled
by limiting observation sessions to two hours, the coders were aware of the purposes of the
research and could have been influenced by this knowledge. Thus direct field observation
should be supplemented with other quantitative measures, such as physical activity level
monitors and instruments on park users.
Fourth, an in-depth or qualitative approach to participants and the community could
uncover more perspectives on minority youth use of park facilities. The results of this pilot
study demonstrate that participants actively engage in physical activities, using the playground
equipment during most of their time spent in the park. However, this research project did not
address participants’ motivation. Follow-up interviews and focus groups with youth, parents and
caregivers, and community leaders could address additional questions, such as why youth in the
target audience use the park and the equipment, how they feel about the environmental changes
to the park, and what they experience differently in the space.
The fifth critical point to examine in future research is the collective or group activity of
participants. Participant observation focused on conditions of the park and activities of
individual participants. However, the research team noted that participants were more likely to
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act together with their friends and families. They continuously talked to each other, played as
groups, and helped each other to use equipment (e.g., pushing younger siblings on the swings).
These collective activities were not addressed in the observation code sheets. Finally, in future
studies, the unit of analysis needs to be not only individuals but also groups, and more variables
should be included to understand group behaviors.
Conclusion
Although the pilot study’s scope was somewhat diminished by the effects of the weather
and the neighborhood violence, the results that were obtained were significant. Comparing the
physical activity level of the undeveloped park, ORP, to the activity level of the revitalized park,
MGP, demonstrates the positive effect that built environment can have on the activity level of its
young community members.
As a part of a larger effort, it is recommended that this study be expanded to examine the
continuing effects of this built environment over a longer period of time. For example, this
particular study took place in the fall and a more complete picture could be obtained by taking a
year-long look at the use of the park by the community children. A further development of this
study could include the actual measurement of physical activity levels of the community children
with the use of individual accelerometers that monitor and store the intensity of body movement.
As childhood obesity continues to be a challenge for the youth of today, studies like this
and others that demonstrate positive effects of a built environment in an urban community
revitalization project on its children’s activity levels, continue to make contributions to the body
of research surrounding this challenge. Healthcare professionals, landscape architects, park
designers, program providers, and community leaders should be encouraged to consider parks as
a catalyst for promoting a range of positive health behaviors among minority youth.
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References
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Table 1.
Coder Observation Schedule
ObservationPeriod
Park Saturday Sunday Thursday
Oct. 3 – Oct. 9, 2009
Marvin Gaye 11:00 a.m. – 1:00 p.m. 3:00 p.m. – 5:00 p.m. 3:00 p.m. – 5:00 p.m.
Oxon Run 9:00 a.m. – 11:00 a.m. 9:00 a.m. – 11:00 a.m. 3:00 p.m. – 5:00 p.m.
Oct. 10 – Oct. 16, 2009
Marvin Gaye 11:00 a.m. – 1:00 p.m.(rain)
3:00 p.m. – 5:00 p.m. 3:00 p.m. – 5:00 p.m.(rain)
Oxon Run 11:00 a.m. – 1:00 p.m. (rain)
3:00 p.m. – 5:00 p.m. 3:00 p.m. – 5:00 p.m.(rain)
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Figure 1. Marvin Gaye Park under Renovation
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Figure 2. Renovated Marvin Gaye Park: Swing set
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Figure 3. Renovated Marvin Gaye Park: Cone Activity
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Figure 4. Renovated Marvin Gaye Park: Spin Apparatus
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Figure 5. Renovated Marvin Gaye Park: Octagon
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Figure 6. Percentage Use of Marvin Gaye Park Facilities by Priority Activity and Gender (N=148)
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Figure 7. Individual Participants’ Use of MGP Individual Playground Equipment and Non-equipment (N=14)
Playground Equipment Legend:
CA=Cone Activity Swing Set
SA=Spin Apparatus
SS=Traditional Swing Set
Octa=Octagon-shaped Play Apparatus
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Appendix A: Snapshot Code Sheet
CODER NUMBER:______ PARK Marvin Gaye (MG) or Oxon Run (OR):_______________ DATE: ______month _______day ______year
WEATHER-RELATED CONDITIONS: Temp. at start:______; Temp. at end_______Rain? Y N (if “Yes,” duration): ________ minutesDark (i.e., not sufficient light)? Y NAny other weather conditions affecting usability (e.g., wet equipment)? Y N (Name________________)
PARK CONDITIONS:Equipment usable (e.g., equipment is accessible and in good repair)? Y NEmpty (i.e., scan area is empty)? Y N
INTERVAL: Coding occurred at (Circle one and enter hour): ____:00 _____ :30 _____:00 _____:30 ____:00 RECORD BELOW what is happening right now TOTAL NUMBER OF VISITORS TO PARK: ______________ TOTAL NUMBER 6-14: _____________
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Inside Playground Area (MG)/Scan Area (OR) Grassy Area Outside Playground within Eyesight (MG only)
PEOPLE/ACTIVITY* AGE GROUP *INTENSITY(6-14 only)
Child6-10
Child 11-14
Total6-14
Ac-tive
Sed-entary
Primary Activity-Female:______________________ Secondary Activity-Female:______________________Totals-Female:Primary Activity-Male:______________________Secondary Activity-Male:______________________Totals-Male:Totals-Female + Male:
PEOPLE/ACTIVITY* AGE GROUP *INTENSITY(6-14 only)
Child6-10
Child11-14
Total6-14
Ac-tive
Sed-entary
Primary Activity-Female: _______________________Secondary Activity-Female:_______________________Totals-Female:Primary Activity-Male:_______________________Secondary Activity-Male:_______________________Totals-Male:Totals-Male + Female
*ACTIVITY: Equipment: SA-Spin Apparatus, CA-Cone/Activity Center, SS-Swing Set, OCTA-Octagon; Non-equipment: R-Running, J-Jumping, W-Walking, SIT-Sitting, STA- Standing, L-Lying Down, G-Organized Game (name), O-Other (name)*INTENSITY: Active = Running/Jumping/Walking/Climbing/Swinging/Spinning/Organized Game/Other; Sedentary: Sitting/Standing/Lying down/Other
Appendix B: Individual Participant Code Sheet
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CODER_______ PARK (MG or OR):__________ DATE: ______month _______day ______yearParticipant number________ Gender (Circle): M F Approx. age (circle one): 6-10 11-14 unknown OR Enter age if known _________Arrival time in park (on clock)_________ Departure time (on clock)_______ Total time in park (in hours, minutes) ______
Activity(Active & Sedentary)
Equipment Non-equipment Total Timein minutes
Cone Spin Swing Set OctagonFrom To From To From To From To From To
SwingingClimbingSpinningRunningJumpingWalkingOrganized Game:_____________Other Active:_____________Total time (active)StandingSittingOther Sedentary:_____________Total time (sedentary)Total time(active + sedentary)
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Appendix C: Coder Instructions
Coders are responsible for two tasks:
Record a snapshot of park activity at 30-minute intervals, beginning when you arrive, using a total of 5 general observation sheets per 2-hour period.
Record the activity of one participant at a time inside the playground area, using one individual participant data sheet for each of the participants you observe.
Snapshot of the park
You will complete a total of five sheets per 2-hour coding period:
one when you arrive on the hour one at 30 past the hour one on the hour one 30 minutes later one on the hour when you are about to leave.
Before you begin coding, make sure you have the following:
Temperature gauge or check temperature in your car Stopwatch Pencil Binder Observation forms (5 copies of snapshot code sheet; 10 copies of individual
participant code sheet)
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Coder #
Park
Date
Enter your assigned code. George Mason coders will enter “G” followed by their assigned number. Washington Parks and People (buddy) coders will enter “W” followed by their assigned number.
Indicate the name of the park.
Enter month, day and year
Weather-related Conditions
Temperature: Using the gauge provided or the gauge in your car, enter the temperature when you arrive. Record the temperature when you have completed your 2-hour observation period.
Rain = If it’s raining when you arrive or during your observation period, circle “Y” and the duration; otherwise, circle “N.”
Dark = Indicate whether the park is dark at the time of your observation by circling “Y” or “N.”
Other environmental conditions = If the grassy area and playground equipment are not usable for weather-related reason other than rain and dark, circle “Y” and name the reason. Otherwise, circle “N.”
Park conditions Circle “Y” or “N” to describe specific non-weather-related conditions for the playground area and the area outside the playground within eyesight.
Equipment is usable = Code “Y” if area is usable for physical activity (e.g., is in good repair and accessible).
Empty = Code “Y” when there are no individuals present during your observation period.
Recording
Total number of visitors
Record what is happening right now. COMPLETE THE GRIDS FOR BOTH INSIDE THE PLAYGROUND AREA AND THE GRASSY AREA OUTSIDE THE PLAYGROUND AREA THAT IS WITHIN EYESIGHT. Fill in all spaces, using none or N/A (not applicable) for blank spaces.
Enter the total number of visitors in the park at the beginning of each 30-minute interval.
Enter the total number of visitors from 6 to 14 years in the park at the beginning of each 30-minute interval.
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Total number of visitors-6-14 years
Observation Areas
At Marvin Gaye Park, conduct your observation from inside the fenced-off playground area. Code activity in the two grids: (1) inside the playground and (2) on the grassy area outside the playground that is within eyesight.
Inside the Playground (Marvin Gaye)/Scan Area (Oxon Run)
Outside the
1. Determine if there are females in the playground/scan area. If there are no females, write “none” and skip to step #6.
2. For females, determine the main physical activity and record it under primary activity. If there is only one female on the playground/scan area, record her activity as primary. Choose from names and abbreviations at the bottom of the code sheet. DO NOT MAKE UP your own.
NOTE: Do not record a non-equipment activity that is performed on the equipment. For example, if a participant is jumping on the Cone, enter “CA,” not “J” for Jumping.” If the participant is leaning on the swing set, enter “SS” for swing set, not “S” for “Standing.”
3. Scan the playground/scan area from left to right for females who are participants in the primary activity. Record the following:
Number of children 6 to 10 years Number of children 11 to 14 years Total number of children 6 to 14 years
4. Record the number of females aged 6 to 14 who are active (defined as running/jumping/climbing/swinging/spinning/other—name) and the number who are sedentary (defined as sitting/standing/lying down/other)
5. Decide if females are participating in a secondary activity. Even if only one female is not engaging in the primary activity, record her activity as secondary. Enter the same data as for the primary activity. If there are no females participating in a secondary activity, write “none” and go to step #6.
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Playground Area(Marvin Gaye only) 6. Repeat steps #1 through #5 for males in the playground/scan area.
7. Repeat steps #1 through #6 for the grassy area outside the playground area within eyesight.
Totals You can record the totals for females, males and for both after you have completed your observation period.
After you have completed the park snapshot sheet, begin filling in the individual participant data sheet.
Individual Participant Data
Park/Date
Participant Selection
Enter the park and the date (same as for the snapshot).
Use one individual participant code sheet for each person you observe. Code ONE participant at a time.
Select a person whom you can observe from the moment s/he arrives in the grassy area of the park within eyesight. Do not record your observations of a participant who is in the middle of his/her visit.
The participant you select must be a person of African-American descent whom you perceive to be between 6 and 14 years of age (see if your buddy can verify the participant’s age). It is better to get valid data for one participant than to code several people at the same time and get incorrect measurements.
When the participant leaves the park area, begin coding a new participant when s/he arrives.
Participant CodeNumber
Start with your coder number, then count the first participant you code (1,2, etc). For example, if you are coder number G4, and you are observing your third participant, the participant number is G43.
Gender Circle whether the participant you have chosen is male or female.
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Approximate Age If you have a rough idea of the individual’s age, circle “6-10” or “11-14.” If you have no idea, circle “Unknown.” Enter the exact age in the space provided you (or your buddy) is sure of the person’s age.
Arrival and Departure Times
Total Time inPark
ObservationGrid
Begin coding: (1) for Marvin Gaye when the participant you have chosen enters the grassy area of the park that is within your eyesight; (2) for Oxon Run when the participant enters the scan area. Enter his/her arrival time. When the participant leaves the park, enter his/her departure time and total time in hours and minutes in the park. If you complete your 2-hour observation period before the participant leaves the park, write “Not Recorded” in the box for the end time of his/her activity and in the blank space at the top of the page next to departure time.
Add the total time in hours and minutes that the participant was in the park area from arrival to departure. If you complete your 2-hour observation period before the participant leaves the park, enter “at least xx hours and xx minutes.”
The grid is divided into two parts: (1) Down the left-hand side: examples of “Active” and “Sedentary” levels of participation (2) Across the top: Equipment and non-equipment use.
1. For Marvin Gaye Park, decide whether the participant is using one of the pieces of equipment, or whether s/he is performing a non-equipment activity.
If the participant is in close vicinity of the equipment, s/he is considered to be using it, for example, if s/he is leaning on it, standing on it, or sitting beside it.
Non-equipment activities are performed inside the playground area or in the grassy area outside the playground within eyesight, but NOT on the playground equipment.
2. Decide which item (active or sedentary) in the left-hand column describes the participant’s use of a piece of equipment (cone, spin apparatus, swing set or octagon), or his/her non-equipment activity.
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Note: If the participants are engaged in an active organized game, e.g., soccer, enter the name of the game in the space provided. Spaces are also provided for listing the name of “other” active and “other” sedentary activities. If applicable, specify those activities in the space provided.
3. Enter the participant’s starting and finishing times for that activity in the appropriate boxes. Then record his/her next equipment or non-equipment activity, and so on.
4. If the participant leaves one piece of equipment or non-equipment activity to perform another activity (equipment or non-equipment) and then returns to perform the same activity, enter the new start time, end time.
5. Calculate the total times in minutes for each equipment and non-equipment activities after you have completed your observation period.
Be sure to fill in all blank spaces with none or N/A for not applicable.
THANKS for contributing to the success of this project.