Alexander C Wagenaar1, Melvin D Livingston2, Dallas W Pettigrew3, Terrence K Kominsky4, Kelli A Komro1. 1. Department of Behavioral Sciences and Health Education, Rollins School of Public Health, Emory University, Atlanta, GA, USA. 2. Department of Biostatistics and Epidemiology, Health Sciences Center, University of North Texas, Fort Worth, TX, USA. 3. Anne and Henry Zarrow School of Social Work, University of Oklahoma, Tulsa, OK, USA. 4. Cherokee Nation Behavioral Health, Tahlequah, OK, USA.
Abstract
AIMS: We evaluated the effects of a community organizing intervention, Communities Mobilizing for Change on Alcohol (CMCA), on the propensity of retail alcohol outlets to sell alcohol to young buyers without age identification and on alcohol acquisition behaviors of underage youth. DESIGN: Random assignment of community to treatment (n = 3) or control (n = 2). Student surveys were conducted four times per year for 3 years; the cohort was in 9th and 10th grades in the 2012-13 academic year. Alcohol purchase attempts were conducted every 4 weeks at alcohol retailers in each community (31 repeated waves). SETTING: The Cherokee Nation, located in northeastern Oklahoma, USA. PARTICIPANTS: A total of 1399 high school students (50% male; 45% American Indian) and 113 stores licensed to sell alcohol across five study communities. INTERVENTION: Local community organizers formed independent citizen action teams to advance policies, procedures and practices of local institutions in ways to reduce youth access to alcohol and foster community norms opposed to teen drinking. MEASUREMENTS: Perceptions regarding police enforcement and perceived difficulty of and self-reported actual acquisition of alcohol from parents, adults, peers and stores. FINDINGS:Alcohol purchases by young-appearing buyers declined significantly, an 18 [95% confidence interval (CI) = 3, 33] percentage-point reduction over the intervention period. Student survey results show statistically significant differences in the trajectory of perceived police enforcement, increasing 7 (4, 10) percentage points, alcohol acquisition from parents, decreasing 4 (0.1, 8) percentage points, acquisition from 21+ adults, decreasing 6 (0.04, 11) percentage points, from < 21 peers decreasing 8 (3, 13) percentage points and acquisition from stores decreasing 5 (1, 9) percentage points. CONCLUSIONS: A community organizing intervention, Communities Mobilizing for Change on Alcohol (CMCA), is effective in reducing the availability of alcohol to underage youth in the United states. Furthermore, results indicate that the previously reported significant effects of CMCA on teen drinking operate, at least in part, through effects on alcohol access.
RCT Entities:
AIMS: We evaluated the effects of a community organizing intervention, Communities Mobilizing for Change on Alcohol (CMCA), on the propensity of retail alcohol outlets to sell alcohol to young buyers without age identification and on alcohol acquisition behaviors of underage youth. DESIGN: Random assignment of community to treatment (n = 3) or control (n = 2). Student surveys were conducted four times per year for 3 years; the cohort was in 9th and 10th grades in the 2012-13 academic year. Alcohol purchase attempts were conducted every 4 weeks at alcohol retailers in each community (31 repeated waves). SETTING: The Cherokee Nation, located in northeastern Oklahoma, USA. PARTICIPANTS: A total of 1399 high school students (50% male; 45% American Indian) and 113 stores licensed to sell alcohol across five study communities. INTERVENTION: Local community organizers formed independent citizen action teams to advance policies, procedures and practices of local institutions in ways to reduce youth access to alcohol and foster community norms opposed to teen drinking. MEASUREMENTS: Perceptions regarding police enforcement and perceived difficulty of and self-reported actual acquisition of alcohol from parents, adults, peers and stores. FINDINGS:Alcohol purchases by young-appearing buyers declined significantly, an 18 [95% confidence interval (CI) = 3, 33] percentage-point reduction over the intervention period. Student survey results show statistically significant differences in the trajectory of perceived police enforcement, increasing 7 (4, 10) percentage points, alcohol acquisition from parents, decreasing 4 (0.1, 8) percentage points, acquisition from 21+ adults, decreasing 6 (0.04, 11) percentage points, from < 21 peers decreasing 8 (3, 13) percentage points and acquisition from stores decreasing 5 (1, 9) percentage points. CONCLUSIONS: A community organizing intervention, Communities Mobilizing for Change on Alcohol (CMCA), is effective in reducing the availability of alcohol to underage youth in the United states. Furthermore, results indicate that the previously reported significant effects of CMCA on teen drinking operate, at least in part, through effects on alcohol access.
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