Alcohol use among Australian secondary students in 1996.

This research estimates the prevalence of alcohol use among Australian secondary students in 1996 and examines trends in alcohol prevalence over a 12-year period. A national randomly selected representative sample of 434 secondary schools participated in the 1996 study. Eghty students were selected randomly from each school and completed a questionnaire anonymously.

Secondhand smoke exposure and respiratory symptoms among casino, club, and office workers in Victoria, Australia.

Objective: To examine the association between smoke-free policies, exposure to secondhand smoke (SHS) at work, and self-reported respiratory and sensory symptoms of workers.

Method: Ninety-one nonsmoking workers recruited from three workplaces with varying smoking policies completed a telephone-administered questionnaire and provided saliva samples (before and after usual work shift) for cotinine analysis.

Results: Mean before-after shift saliva cotinine per hour worked was significantly higher among club (0.