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©2006 RUSH University Medical Center
Molly A. Martin, MDSteven K. Rothschild, MDSusan M. Swider, PhD, APHN-BCCarmen M. Tumialan-Lynas, PhDImke Janssen, PhD
IS IT TIME FOR COMMUNITY HEALTH WORKERS (CHWS) TO BE CONSIDERED STANDARD THERAPY FOR DIABETES? Implications of the Results of the
Mexican-American Trial of Community Health Workers
(MATCH)
Disclosures
Research funding received from•NIH: NIDDK, NHLBI, and NINR•John A. Hartford Foundation of New York•Lloyd Fry Foundation (Chicago)
I am not on the speakers bureau of any pharmaceutical companies.
The MATCH Investigators agree to comply with the American Public Health Association Conflict of Interest and Commercial Support Guidelines, and will not discuss any off-label or experimental uses of a commercial product or service in this presentation.
©2006 RUSH University Medical Center2
Overview of Presentation
• MATCH study design
• Primary outcomes
• What additional studies are needed?
• Advocacy for CHWs as evidence-based therapy
• What if CHWs were a new medication?
©2006 RUSH University Medical Center3
©2006 RUSH University Medical Center4
Preliminary Evidence Swider, 2002
• ACCESS TO CARE
• KNOWLEDGE
• BEHAVIOR CHANGE
• HEALTH STATUS… but few well-designed randomized controlled trials
that demonstrate the efficacy of CHWs
Limitations of Literature
• Absence of clear conceptual intervention model
• Failure to state hypothesis and outcomes a priori
• Weak attention to intervention fidelity
• No behavioral attention control
• Failure to blind outcome assessment
• Poor participant retention
Lewin S, Dick J, Pond P, Zwarenstein M, Aja GN, van Wyk BE, et al.
Cochrane Database of Systematic Reviews. 2005
Viswanathan M, Kraschnewski J, Nishikawa B, Morgan LC, Thieda P, Honeycutt A, et al. Agency for Healthcare Research and Quality; 2009.
©2006 RUSH University Medical Center5
©2006 RUSH University Medical Center6
MEXICAN-AMERICAN TRIAL OF COMMUNITY HEALTH
WORKERS
• Behavioral Randomized Controlled Trial
• Efficacy: Testing CHWs under ideal conditions
• Population:
• Community-dwelling urban Mexican-Americans
• Defined as born in Mexico themselves - or - 1 parent or 2 grandparents born in MX
• Type 2 Diabetes mellitus without major end-organ complication
[R01 DK061289]
©2006 RUSH University Medical Center7
Health Status, Behavior Change
PRIMARY STUDY OUTCOMES
Improved risk factors after 2 years
•A1c – glucose control
•% with Blood Pressure at goal (<130/80)
INTERVENTION
• Diabetes Self-management training
• Delivered by Community Health Workers
• 36 home visits over 24 months, 1-on-1 coaching
– Scheduled every 2 weeks for 1st year
– Scheduled every month in 2nd year
©2006 RUSH University Medical Center8
• Behavioral Content from American Association of Diabetes Educators (AADE-7)
MATCH CURRICULUMDiabetes Self-Management BEHAVIORS
(AADE-7) General Self-Management SKILLS
1) Check blood glucose daily and understand the results
1) Problem-solve using brainstorming (“lluvia de ideas”)
2) Take action to respond to abnormally high or low blood glucose results
2) Record adherence to specific diabetes behaviors through the use of a journal or written log (“márquelo”)
3) Obtain regular medical care and communicate your concerns with your medical providers
3) Restructure the environment to either support desired behaviors or reduce the risk of unhealthy behaviors (“cambielo”)
4) Take medications as prescribed by your medical provider
4) Seek out social support from family members or friends
5) Check your feet regularly 5) Use strategies to reduce stress
6) Engage in daily physical activity
7) Make healthy dietary choices, with emphasis on reducing the fat content of meals
©2006 RUSH University Medical Center9
INTERVENTION FIDELITY
• CHWs documented content of visits, duration, skills taught
• All encounters audiotaped with random audits and feedback by physician, psychologist
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• Average visit time ~ 90 minutes
• High rates of adherence / completion
CONTROL CONDITION
• Diabetes Self-management curriculum
• Delivered by bilingual newsletters mailed to home
• 36 newsletters, 24 months
• Same AADE 7 Content and self-management skills as in CHW intervention arm
©2006 RUSH University Medical Center11
OUTCOME ASSESSMENT
• Research Assistants blinded to group allocation; separated from CHW interventionists
• NO use of information from CHWs used to follow-up participants (differential ascertainment)
• High retention rates at 2 years: 121 out of 144 randomized (84% retention)
• Intention to treat analysis
©2006 RUSH University Medical Center12
BASELINE DATA
©2006 RUSH University Medical Center13
Overall Intervention Control
144 73 71
Mean age (sd) 53.7 (12.2) 53.7 (11.7) 53.6 (12.7)
Preferred Language, N(%)
English 14 (9.7) 6 (8.2) 8 (11.3)
Spanish 130 (90.3) 67 (91.7) 63 (88.7)
Female 97 (67.4) 47 (64.4) 50 (70.4)
Marital Status, N(%)Married/Common Law
Marriage94 (65.3) 44 (60.3) 50 (70.4)
Separated/Divorced 19 (13.2) 12 (16.4) 7 (9.9)Widowed 12 (8.3) 6 (8.2) 6 (8.5)
Never married 19 (13.2) 11 (15.1) 8 (11.3)
BASELINE DATA
©2006 RUSH University Medical Center14
Overall Intervention Control
144 73 71
Number of years in school, N(%)
≤ 6 82(56.9) 42 (57.6) 40 (55.3) 7 – 11 25 (17.4) 13 (17.8) 12 (16.9) > 11 37 (25.7) 18 (24.7) 19 (26.8)
Difficulty paying for basics, N(%)
Very hard 19 (23.8) 7 (16.3) 12 (32.4)Somewhat hard 38 (47.5) 21 (48.8) 17 (46.0)
Not hard at all 23 (28.8) 15 (34.9) 8 (21.6)
BASELINE CLINICAL DATA
©2006 RUSH University Medical Center15
Overall Intervention Control
Hemoglobin A1c
Mean (SD) 8.3 (2.0) 8.5 (2.2) 8.1 (1.6)
< 7 42 (30.0) 24 (33.8) 18 (26.1)
7 – 9 52 (37.1) 22 (31.0) 30 (43.5)
> 9 46 (32.9) 25 (35.2) 21 (30.4)
High Blood Pressure% diagnosed with
Hypertension 87 (60.4) 49 (67.1) 38 (53.5)
SBP (mmHg), mean(sd) 131.7 (14.9) 133.6 (16.5) 129.7 (12.9)
DBP (mmHg), mean(sd) 70.8 (10.2) 72.5 (8.5) 69.2 (11.5)
BASELINE CLINICAL DATA
©2006 RUSH University Medical Center16
Overall Intervention Control
Waist (in), mean(sd) 41.7 (5.5) 41.5 (5.4) 42 (5.6)
BMI (continuous), mean(sd) 33.4 (8.5) 32.7 (7.4) 34.2 (9.5)
BMI (categorized), N(%)
< 25 20 (14.1) 10 (13.7) 10 (14.5)
Overweight 25 – < 30 35 (24.7) 20 (27.4) 15 (21.7)
Class I and II Obesity 30 – < 40 61 (43.0) 42 (43.8) 29 (42.0)
Class 2 Obesity ≥ 40 26 (18.3) 11 (15.1) 15 (21.7)
Total # of medications, mean(sd) 4.8 (2.9) 4.5 (2.7) 5.1 (3.0)
PRIMARY OUTCOMES
MATCHMexican-American Trial of Community Health workers
©2006 RUSH University Medical Center17
RETENTION OF PARTICIPANTS
• 144 randomized
• 121 completed follow-up at 24 mos. (84%)– 17 Lost to follow-up: 10 in CHW arm, 7 in
control– 3 Withdrew from study: 2 in CHW, 1 in control– 1 Administrative withdrawal: CHW arm– 2 Died: 1 in CHW, 1 in control
©2006 RUSH University Medical Center18
# of Completed CHW Visits
©2006 RUSH University Medical Center19
Hemoglobin A1c levels
©2006 RUSH University Medical Center20
Rates of Blood Pressure control
©2006 RUSH University Medical Center21
Baseline Year 1 Year 2
CHW 37.2% 57.0% 44.9%
Control 47.4% 52.6% 59.5%
Adverse Events
©2006 RUSH University Medical Center22
• NO increase in hypoglycemia, diabetes complications, or hospitalizations
• Low drop-out rate from intervention arm
Costs of Intervention
©2006 RUSH University Medical Center23
Treatment Monthly Cost
Reduction in A1c Side Effects
Nateglinide (Starlix) $60 0.1 – 0.8 HypoglycemiaHypersensitivityCholestatic hepatitisFlu-like symptomsDiarrhea
Sitagliptin (Januvia) $175 0.6 – 0.8 Stevens-Johnson syndromeAngioedemaPancreatitisAcute Renal FailureAbdominal Pain
Insulin Glargine (Lantus) $112 (30 units
daily)
0.5 – 1.7 HypoglycemiaHypokalemiaAnaphylaxisWeight GainRashEdema
COMMUNITY HEALTH WORKER ($15 / hour + benefits)
$85 0.5 – 0.7 NONE
NEXT STEPS?
• Other racial / ethnic groups
• Increased emphasis on BP control
• Increased emphasis to other risk factors
• Evaluate sustainability post-intervention
• Determine optimal maintenance dose
• Multi-center Effectiveness Trial – test under “real world conditions”
• Patient-oriented outcomes (Hospitalization, Complications, Death)
©2006 RUSH University Medical Center24
AN ACTION AGENDA FOR CHWs
• Document the costs and benefits of existing CHW interventions
• Educate payer & business community
• Educate health care sector
• Advocate for policies that support CHWs– Training
– Career ladder
– Reimbursement©2006 RUSH University Medical Center
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Conclusion
We have an effective, safe intervention that brings best clinical practices and improved diabetes control to people who experience excess disability and death due diabetes health disparities
Is there a reason to wait to disseminate this intervention while we gather more data and refine the intervention further?
©2006 RUSH University Medical Center26
What if CHWs were a Medication?
©2006 RUSH University Medical Center
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Instead of showing you this…
©2006 RUSH University Medical Center28
COHELWO marketing plan
©2006 RUSH University Medical Center29
ProgressiveDiabetesSolutions, LLC
ACKNOWLEDGEMENTS
• Molly Martin, MD
• Susan Swider, RN, PhD
• Carmen Lynas, PhD
• Lynda Powell, PhD
• Elizabeth Avery, MS
• Imke Janssen, PhD
• Magdalena Nava
• Janet Footlik
• Elsa Arteaga
MATCH Promotoras
•Pilar Gonzalez
•Susana Leon
•Maria Sanchez
The staff of Centro San Bonifacio
Erie Family Health Center