• Bo Zhang, Carrie Cartmill, and Roberta Ferrence.
• Ontario Tobacco Research Unit, University of Toronto, Toronto, ON, Canada. bo_zhang@camh.net
• Addiction. 2008 Feb 1; 103 (2): 310-9.

AimsPrevious studies have shown inconsistent findings with regard to the association between amount of spending money and adolescent smoking. Drinking alcohol may be a mediator of the association between spending money and adolescent smoking. However, no studies have examined this potential role. The objective of this study was to investigate the association between amount of spending money and adolescent smoking and the potential mediation role of alcohol use in this association.DesignThe 2003 Ontario Student Drug Use Survey of students in grades 7-12.MeasurementsMultivariable logistic, probit and linear regression models were used to investigate the association between amount of spending money and smoking, and the contribution of drinking alcoholic beverages to this relationship.FindingsSpending money was associated positively with experimental smoking, current smoking and daily consumption of cigarettes (P < 0.01). The analysis adjusted for confounders showed that students with spending money > or =$20/week were significantly more likely to be experimental smokers, students with > or =$30/week were significantly more likely to be current smokers and students with > or =$60/week smoked significantly more cigarettes/day (P < or = 0.05), compared to students with <$10/week. Alcohol use was an important mediator, responsible for 81% of the association of spending money with experimental smoking, 38% with current smoking and 37% with daily consumption of cigarettes.ConclusionsAmount of spending money was associated significantly and positively with smoking among adolescents, and alcohol use mediated this association. Integrated tobacco prevention programs may be more effective, and increasing taxes on cigarettes and alcohol would increase price sensitivity among youth and protect against adolescent smoking.

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