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. 2011 Winter;21(1):7-12.

Recruitment of Mexican American adults for an intensive diabetes intervention trial

Molly A Martin  1 , Susan M Swider, Tamara Olinger, Elizabeth Avery, Carmen M Tumialán Lynas, Kimberly Carlson, Steven K Rothschild
Affiliations

Recruitment of Mexican American adults for an intensive diabetes intervention trial

Molly A Martin et al. Ethn Dis. 2011 Winter.

Abstract

Objective: Effective behavioral diabetes interventions for Mexican Americans are needed. Our study focused on efforts to recruit Mexican American adults for a trial testing a diabetes community health worker (CHW) self-management intervention.

Design: Behavioral randomized controlled trial, community-based participatory research approach.

Setting: Chicago.

Participants: Mexican American adults with type 2 diabetes.

Outcome measures: Screening and randomization.

Methods: Initial eligibility criteria included Mexican heritage, treatment with oral diabetes medication, residence in designated zip codes, planned residence in the area for two years, and enrollment in a specific insurance plan.

Results: Recruitment through the insurer resulted in only one randomized participant. Eligibility criteria were relaxed and subsequent efforts included bilingual advertisements, presentations at churches and community events, postings in clinics, partnerships with community providers, and CHW outreach. Zip codes were expanded multiple times and insurance criteria removed. CHW outreach resulted in 53% of randomized participants.

Conclusions: Despite strong ties with the target community, culturally appropriate recruitment strategies involving community representation, and a large pool of potential participants, significant challenges were encountered in recruitment for this diabetes intervention trial. Researchers identified three key barriers to participation: study intensity and duration, lack of financial incentives, and challenges in establishing trust. For future research to be successful, investigators need to recognize these barriers, offer adequate incentives to compensate for intervention intensity, and establish strong trust through community partnerships and the incorporation of community members in the recruitment process.

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Figures

Figure 1
Figure 1
Recruitment screening and randomization rates for the Mexican American Trial of Community Health (MATCH) Workers (Final: 343 screened, 144 randomized)
Figure 2
Figure 2
Recruitment methods and associated results for the Mexican American Trial of Community Health (MATCH) Workers (Final: 343 screened, 144 randomized)
Figure 3
Figure 3
Recruitment zip codes and potential participant numbers*
See this image and copyright information in PMC

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