Characteristics of South Characteristics of South Carolina Dental Work ForceCarolina Dental Work Force

Mohammad Yalmaz Ali MD MPHMohammad Yalmaz Ali MD MPH

Oral Health Division/MCH BureauOral Health Division/MCH Bureau

South Carolina Department of Health and South Carolina Department of Health and Environmental Control Environmental Control

South Carolina Sixth Annual Oral Health South Carolina Sixth Annual Oral Health ForumForum

Topics to be discussed todayTopics to be discussed today

• Discuss both dentists and dental hygienists Discuss both dentists and dental hygienists populationpopulation

• Race and age breakdown (Urban vs. Rural Race and age breakdown (Urban vs. Rural counties). counties). Def. Of rural and UrbanDef. Of rural and Urban

• Dentist to population ratio (Urban vs. Rural Dentist to population ratio (Urban vs. Rural counties)counties)

• Participation (FTE vs. total practicing)Participation (FTE vs. total practicing)• Some predictions and concerns.Some predictions and concerns.

Data source for this discussion is SC Office of Research and Statistics

DentistsDentists

DentistsDentists

• 2005 Total number of dentists – 18392005 Total number of dentists – 1839

122

132

212

1679

Caucasian African American Asian

Hispanic Native American Other

Racial Breakdown

Breakdown by Age group Breakdown by Age group (Dentists)(Dentists)

16.3%

33.1%

41.2%

9.3%

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

< 35 35 - 49 50 - 64 > 65

Dentists age by raceDentists age by race

16.0%

32.4%

42.2%

9.4%

15.6%

38.5%36.1%

9.8%

0%5%

10%15%20%25%30%35%40%45%

< 35 35 - 49 50 - 64 > 65

Caucasian African Am erican

Distribution of age by Rural vs. Distribution of age by Rural vs. Urban CountiesUrban Counties..

0%

10%

20%

30%

40%

50%

<35 35-49 50-64 >65

Urban Rural

Dentist to 100,000 population Dentist to 100,000 population ratioratio

• A total of 1839 dentists for a population of A total of 1839 dentists for a population of 4,225,083 (2005 estimate)4,225,083 (2005 estimate)

• A dentist to population ratio of 43.2 A dentist to population ratio of 43.2 dentists/100,000 populationdentists/100,000 population

• Rural counties have about 29.8 Rural counties have about 29.8 dentists/100,000 populationdentists/100,000 population

• Urban counties have about 48.4 Urban counties have about 48.4 dentist/100,000 population. dentist/100,000 population.

Dentist to 100,000 population by countyDentist to 100,000 population by county

Dentist/100,000 pop.

9.7 - 17.8

17.9 - 29.7

29.8 - 38.9

39.0 - 47.6

47.7 - 85.4

ishwy arc

Dentists distribution within Dentists distribution within countiescounties• The distribution within some of the counties are The distribution within some of the counties are

even more skewed than the distribution among even more skewed than the distribution among counties (Three examples).counties (Three examples).

• Charleston county – 55% of the population lives in Charleston county – 55% of the population lives in Charleston and North Charleston Cities but about Charleston and North Charleston Cities but about 74% of the dentists practice in these cities.74% of the dentists practice in these cities.

• Richland county – Columbia pop. 1/3Richland county – Columbia pop. 1/3 rdrd of the county of the county – 94% of total dentists in the county.– 94% of total dentists in the county.

• Orangeburg county – Orangeburg city contains 14% Orangeburg county – Orangeburg city contains 14% of the pop. – 74% of the dentists practice in the city. of the pop. – 74% of the dentists practice in the city.

Participation of dentistsParticipation of dentists

• FTE’s (Full time equivalents) is a good FTE’s (Full time equivalents) is a good measure for participation of dentists in their measure for participation of dentists in their respective county.respective county.

• It is probably a good measure of “need” It is probably a good measure of “need” because a county may have adequate because a county may have adequate number of dentists but still have shortage number of dentists but still have shortage because number of FTE’s working are not because number of FTE’s working are not enough.enough.

FTE’s / 100,000 populationFTE’s / 100,000 population

• Total FTE’s – 1417.5 – 33.3 FTE’s /100,000 Total FTE’s – 1417.5 – 33.3 FTE’s /100,000 pop.pop.

• Urban counties – 1159.9 – 37.7 FTE’s Urban counties – 1159.9 – 37.7 FTE’s /100,000 population/100,000 population

• Rural counties 257.6 – 21.8 FTE’s /100,000Rural counties 257.6 – 21.8 FTE’s /100,000• Participation ratio = FTE’s /Total practicing Participation ratio = FTE’s /Total practicing

dentists – Ratio = 1 means all dentists are full dentists – Ratio = 1 means all dentists are full time time

Participation ratio by countyParticipation ratio by county

Participation ratio of dentists

0.43 - 0.58

0.59 - 0.70

0.71 - 0.78

0.79 - 0.85

0.86 - 0.95

FTE’s 100,000 populationFTE’s 100,000 population

Dentists FTE's/100,000

9.2 - 15.7

15.8 - 22.0

22.1 - 28.1

28.2 - 37.7

37.8 - 62.0

Participation by age groupParticipation by age group

• About 9% of the dental work force is more About 9% of the dental work force is more than > 65 years of age.than > 65 years of age.

0.79 0.79 0.77

0.66

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

< 35 35 - 49 50 - 64 > 65

% of FTE’s provided by dentists >65 yrs of age% of FTE’s provided by dentists >65 yrs of age

% FTE provided by dentists >65 yrs age

0.0 - 3.7

3.8 - 9.79.8 - 16.5

16.6 - 22.722.8 - 43.5

Dental HygienistsDental Hygienists

HygienistsHygienists

• In 2005 – 1883 total practicing hygienists in In 2005 – 1883 total practicing hygienists in South CarolinaSouth Carolina

RaceRace Number Number PercentagePercentage

CaucasianCaucasian 18011801 95.695.6

Afr.AmerAfr.Amer 6060 3.23.2

AsianAsian 77 0.40.4

HispanicHispanic 88 0.40.4

Breakdown by Age groupBreakdown by Age group

37.8

42.4

18.3

0.5 1.1

0

5

10

15

20

25

30

35

40

45

UNDER 35 35-49 50-64 65 & OVER NOT STATED

Pe

rce

nta

ge

Hygienist to population ratioHygienist to population ratio

• 1883 hygienists for 4,255,083 people1883 hygienists for 4,255,083 people• State - 44.2/100,000 popState - 44.2/100,000 pop• Urban counties – 50.9/100,000 popUrban counties – 50.9/100,000 pop• Rural counties – 27.1/100,000 popRural counties – 27.1/100,000 pop

Hygienists to 100,000 population by countyHygienists to 100,000 population by county

Hygienists/100,000 pop.

9.7 - 15.1

15.2 - 28.5

28.6 - 38.8

38.9 - 50.3

50.4 - 66.6

ishwy

Hygienists distribution within Hygienists distribution within countiescounties

• Similar patterns existed for Hygienists (as Similar patterns existed for Hygienists (as expected) – 3 examplesexpected) – 3 examples

• Greenville city – 13% of county’s population but Greenville city – 13% of county’s population but 68% of hygienists work68% of hygienists work

• Orangeburg city – 13% of county’s pop but 77% Orangeburg city – 13% of county’s pop but 77% of the work force.of the work force.

• Columbia city – 34% of the county’s population Columbia city – 34% of the county’s population but contains 90% of the hygiene populationbut contains 90% of the hygiene population

FTE’s / 100,000 populationFTE’s / 100,000 population

• 1312.1 FTE – 30.9 FTE Hygienists/100,000 1312.1 FTE – 30.9 FTE Hygienists/100,000 populationpopulation

• Urban counties – 35.1 FTE/100,000 Urban counties – 35.1 FTE/100,000 populationpopulation

• Rural Counties – 19.8 FTE/100,000 Rural Counties – 19.8 FTE/100,000 populationpopulation

• Participation ratio = FTE’s /Total practicing Participation ratio = FTE’s /Total practicing Hygienists– Ratio = 1 means all hygienists Hygienists– Ratio = 1 means all hygienists are full time are full time

Participation ratioParticipation ratio

FTE/Total dentist ratio

0 - 0.33

0.34 - 0.67

0.68 - 0.75

0.76 - 0.83

0.84 - 0.90

FTE’s / 100,000 population by countyFTE’s / 100,000 population by county

FTE/100,000 pop.

4.7 - 9.9

10.0 - 17.9

18.0 - 26.3

26.4 - 34.6

34.7 - 44.9

Urban and Rural definitionUrban and Rural definition

• Counties with town larger than 25,000 Counties with town larger than 25,000 individualsindividuals

• Urban countiesUrban counties – Aiken, Anderson, – Aiken, Anderson, Beaufort, Berkeley, Charleston, Dorchester, Beaufort, Berkeley, Charleston, Dorchester, Pickens, Florence, Greenville, Horry, Pickens, Florence, Greenville, Horry, Lexington, Richland, Spartanburg, Sumter, Lexington, Richland, Spartanburg, Sumter, YorkYork