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The reach and complexity of the multi-site Community Intervention Trial for Smoking Cessation (COMMIT) project call for an extensive, comprehensive evaluation plan. This article reports on the objectives, methods, and data sets of the part of the plan designed for process evaluation. We describe the systems developed for: monitoring progress in the sites, the quality of local intervention activities and data collection, and compliance with the trial-wide protocol; disseminating information for formative purposes; and generating and using process data for outcome evaluation. The process evaluation approach includes both quantitative and qualitative methods. We provide examples from community mobilization and intervention in different communities.

ObjectivesTo examine whether differential exposure to pre- and perinatal risk factors explained differences in levels of self-regulation between children of different races (White, Black, Hispanic, Asian, and Other).MethodsMultiple regression models based on data from the Early Childhood Longitudinal Study, Birth Cohort (n ≈ 9,850) were used to analyze the impact of pre- and perinatal risk factors on the development of self-regulation at age 2 years.ResultsRacial differences in levels of self-regulation were observed. Racial differences were also observed for 9 of the 12 pre-/perinatal risk factors. Multiple regression analyses revealed that a portion of the racial differences in self-regulation was explained by differential exposure to several of the pre-/perinatal risk factors. Specifically, maternal age at childbirth, gestational timing, and the family’s socioeconomic status were significantly related to the child’s level of self-regulation. These factors accounted for a statistically significant portion of the racial differences observed in self-regulation.ConclusionsThe findings indicate racial differences in self-regulation may be, at least partially, explained by racial differences in exposure to pre- and perinatal risk factors.

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