Gender differences in predrinking behavior among nightclubs' patrons

摘要: BACKGROUND: Drinking before entering nightclubs (predrinking) seems to be associated with an increase in alcohol-related harm. This study aims investigate gender differences predrinking behavior and evaluate its association risk behaviors practiced inside nightclubs. METHODS: Individual-level data were collected by a portal survey of 2,422 patrons at the entrance 1,833 exit 31 located Sao Paulo, Brazil. The selected 2-stage sampling probability proportional establishments' capacity first stage systematic sample line second stage. Breath alcohol concentration (BrAC) was measured exit. Face-to-face interviews identified characteristics behaviors. Weighted analyses stratified gender. RESULTS: Predrinking 49.2% (95% confidence interval [CI] = 42.7 55.8) male 29.0% CI 20.6 38.9) female (p CONCLUSIONS: is more prevalent among men; however, men women who engaged have similar pattern consumption BrAC. fact that illicit drug use but differ between genders suggests gender-specific approach should used tailored interventions prevent harm Language: en