Effectiveness of a Peer-led Program to Prevent Alcohol Consumption.

First, they will complete a 22-item online questionnaire, collecting all the variables of the research. After completing it, the students in the intervention group will receive personalized feedback by mail that visually summarizes the content of the questionnaire. Students will receive a motivational intervention with the aim of increasing the university's awareness of their alcohol consumption. In the intervention session of the program, the following aspects may be addressed, whenever the participant wishes: 1) Pattern of alcohol consumption of the student; 2) Social norm of alcohol consumption; 3) Negative consequences of alcohol; 4) Costs of alcohol consumption; 5) The change; 6) Specific education on alcohol; and 7) Advice and recommendations.