Table 1 Recruitment strategies used by each trial

 Created recruitment plan

X

X

X

X

 Rolling recruitment

X

X

X

 Created community advisory boards

X

X

X

X

 Pilot test recruitment strategy

X

X

X

X

 Full-time bilingual staff (English/Spanish)

X

X

X

 Outreach staff for African American communities

X

X

 Recruitment staff from community

X

X

X

X

 Written recruitment protocol

X

X

X

X

 Community outreach

X

X

X

X

 Partnered with primary care clinics

X

 Partnered with local school system

X

 Direct community-based strategies

X

X

 Held interest meetings

X

X

X

 Media advertisement

X

X

X

 Followed recruitment protocol

X

X

X

X

 Set limits on the number of call attempts

X

X

X

X

 Used tracking software for recruitment

X

X

X

X

 Assessed participation motivation

X

 Provided clear and easy consent and assent materials

X

X

X

X

 Consent materials at 4th – 7th grade reading level

X

X

X

X

 Had an outside group review the consent and assent materials

X

X

X

X

 Certificate of confidentiality or discussion of patient privacy

X

X

X

X

 Protocol for scheduling and re-scheduling visits

X

X

X

X

 Baseline data collection at family’s home

X

 Baseline data collection at local community center

X

X

 Baseline data collection at university-based clinical research center

X

X

 Minimum baseline data requirement

X

X

X

X

 Monetary incentive provided

X

X

X

X

 Reimbursed for transportation or parking

X

X

 Provided participants with laboratory results

X

X

 Randomized participants within 37 days of height and weight measurements

X

X

X

X