Community-based participatory research: assessing the evidence.

ion of relevant information from eligible articles and the creation of summary evidence tables presenting the key details and findings for the articles. The EPC paired trained abstractors with a senior reviewer, who used an analyticors with a senior reviewer, who used an analytic framework to guide development of abstraction tables. The EPC researchers used the same framework to rate the quality of both the primary research and primary community-based participation elements. They rated the quality of only those studies (often represented by a set of published articles) representative of a completed intervention study evaluation, or an observational study designed to permit extrapolation beyond the study population.