OBJECTIVE: To evaluate whether the evidence-based Body & Soul program, when disseminated and implemented without researcher or agency involvement and support, would achieve results similar to those of earlier efficacy and effectiveness trials. DESIGN: Prospective group randomized trial. SETTING:Churches with predominantly African American membership. PARTICIPANTS: A total of 1,033 members from the 15 churches completed baseline surveys. Of these participants, 562 (54.4%) completed the follow-up survey 6 months later. INTERVENTION: Church-based nutrition program for African Americans that included pastoral involvement, educational activities, church environmental changes, and peer counseling. MAIN OUTCOME MEASURE: Daily fruit and vegetable (FV) intake was assessed at pre- and posttest. ANALYSIS: Mixed-effects linear models. RESULTS: At posttest, there was no statistically significant difference in daily servings of FVs between the early intervention group participants compared to control group participants (4.7 vs 4.4, P = .38). Process evaluation suggested that added resources such as technical assistance could improve program implementation. CONCLUSIONS AND IMPLICATIONS: The disseminated program may not produce improvements in FV intake equal to those in the earlier efficacy and effectiveness trials, primarily because of a lack of program implementation. Program dissemination may not achieve public health impact unless support systems are strengthened for adequate implementation at the church level.
RCT Entities:
OBJECTIVE: To evaluate whether the evidence-based Body & Soul program, when disseminated and implemented without researcher or agency involvement and support, would achieve results similar to those of earlier efficacy and effectiveness trials. DESIGN: Prospective group randomized trial. SETTING: Churches with predominantly African American membership. PARTICIPANTS: A total of 1,033 members from the 15 churches completed baseline surveys. Of these participants, 562 (54.4%) completed the follow-up survey 6 months later. INTERVENTION: Church-based nutrition program for African Americans that included pastoral involvement, educational activities, church environmental changes, and peer counseling. MAIN OUTCOME MEASURE: Daily fruit and vegetable (FV) intake was assessed at pre- and posttest. ANALYSIS: Mixed-effects linear models. RESULTS: At posttest, there was no statistically significant difference in daily servings of FVs between the early intervention group participants compared to control group participants (4.7 vs 4.4, P = .38). Process evaluation suggested that added resources such as technical assistance could improve program implementation. CONCLUSIONS AND IMPLICATIONS: The disseminated program may not produce improvements in FV intake equal to those in the earlier efficacy and effectiveness trials, primarily because of a lack of program implementation. Program dissemination may not achieve public health impact unless support systems are strengthened for adequate implementation at the church level.
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