A Web-Based, Computer-Tailored Intervention to Reduce Alcohol Consumption and Binge Drinking Among Spanish Adolescents: Cluster Randomized Controlled Trial.

摘要: Background: Alcohol consumption, including binge drinking (BD) and heavy episodic (HED), is one of the leading risk factors among Spanish adolescents to significant social, health, economic consequences. Reduction BD HED in can be achieved using Web-based, computer-tailored (CT) interventions, providing highly personalized feedback that adapted a person’s individual characteristics needs. Randomized controlled trials assessing effects tailored reduction programs are scarce. Objective: The aim this study was test effectiveness CT intervention Alerta Alcohol, aimed at prevention adolescents. As secondary outcome, on HED, weekly any consumption were also assessed. adherence process evaluation assessed. Methods: A cluster randomized trial conducted 15 schools developed. Each school into either an experimental condition (EC) (N=742) or control (CC) (N=505). Finally, 351 participants for EC 261 CC included analysis (N=612). Baseline assessment took place January February 2017. Demographic variables alcohol use assessed baseline. Follow-up 4 months later May June Participants compared according their randomization group (EC versus CC). After baseline assessment, started intervention, which consisted short stories about BD, based I-Change Model behavior change. only received questionnaire. Effects three-level mixed logistic regression linear consumption. Results: In total, 1247 participated 612 follow-up assessment; attrition rate 50.92%. effective reducing adolescents; odds nine times (P=.04). No found consumption. Process evaluations revealed satisfied with program (68.8%), would again (52.9%), recommend it someone else (62.8%). Females non-binge drinkers showed better responses evaluation. Conclusions: Our regarding but not It may limiting prevent easier context than carry out further steps, such as other patterns Hence, additional actions needed accomplish these latter goals, community approaches policy denormalizing adolescents. Trial Registration: ClinicalTrials.gov NCT03288896; https://clinicaltrials.gov/ct2/show/NCT03288896