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University students' perceived norms of peers and drug use: a multicentric study in five Latin American countries

2009; UNIVERSIDADE DE SÃO PAULO; Volume: 17; Issue: spe Linguagem: Inglês

10.1590/s0104-11692009000700013

1518-8345

Inés V. Bustamante, Ana Maria Pimenta Carvalho, Elias Barbosa de Oliveira, Hercílio Pereira de Oliveira Júnior, Syntia Dinora Santos Figueroa, Erika María Montoya Vásquez, Angélica Cazenave, Eva Chanamé, Luz Stella Medina Matallana, Julia Ramirez Castillo,

Smoking Behavior and Cessation

This cross-sectional study compared perceived peer drug use and actual drug use in a sample of Latin American university students. Students from nine universities in five countries (Brazil, Chile, Colombia, Honduras and Peru) completed a questionnaire that addressed the use of tobacco, alcohol, marijuana and cocaine. Analysis focused on comparing perceptions to actual drug use. The findings largely, but not completely, confirmed the idea that students overestimate peer drug use. The unexpected findings were those relating to alcohol. While students generally overestimated peer use of tobacco, marijuana and cocaine, they accurately estimated or underestimated peer use of alcohol. Apart from the anomalous findings with regard to alcohol, this study shows that perceived drug use relates to actual drug use in Latin America as it does elsewhere. The results also support the suggestion that interventions using normative feedback would be useful to strengthen drug use prevention programs aimed at youth in Latin America.