Kim 2008.

Methods	Study design: controlled before‐after Sampling frame: 4 rural African American Churches Sampling method: non‐random (2 churches assigned to treatment) Collection method: physical measurement Description of the community coalition: Coalition included 4 churches, non‐profit community‐based organizations, and University of North Carolina investigators
Participants	Communities: rural North Carolina Country: USA Ages included in assessment: mean age 56 (SD 15.8) Reasons provided for selection of intervention community: rural African American at‐risk population Intervention community (population size): unknown Comparison community (population size): unknown
Interventions	Name of intervention: Wholeness, Oneness, Righteousness, Deliverance (WORD) Theory: Stages of Change, Social Cognitive Theory, Social Support Aim: weight loss Description of costs and resources: not reported Components of the intervention: trained lay health leader in four 2.5‐hour training sessions to lead weekly small group sessions over 8 weeks as treatment (n = 61) Start date: unknown Duration: 2 months
Outcomes	Outcomes and measures: mean weight loss (standard error) controlling for baseline BMI, education, and age Time points: baseline and 2‐month follow‐up
Notes	Funding source: coalition partners
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	High risk	Not randomly assigned
Allocation concealment (selection bias)	High risk	Not randomly assigned
Baseline outcome measurement similar	Low risk	Physical measurement
Baseline characteristics similar	High risk	Reported differences at baseline
Blinding of outcome assessment (detection bias) All outcomes	High risk	Not blinded
Incomplete outcome data (attrition bias) All outcomes	Low risk	20% attrition
Blinding of participants and personnel (performance bias) All outcomes	High risk	Not randomly assigned
Protection against contamination	Unclear risk	Possibility of contamination not described
Selective reporting (reporting bias)	Low risk	Relevant outcome reported
Other bias	High risk	Small sample size, short follow‐up period