Indexation of Tobacco Excise and Customs Duty and Smoking Prevalence Among Australian Adults, 2001-2010: A Serial Cross-sectional Study

Abstract

INTRODUCTION: Australia's excise and customs duty on tobacco has been automatically increased biannually since 1984. Increases in duty on par with inflation ensured that tobacco stayed at least as costly as other goods. This would be expected to maintain, rather than drive down, smoking prevalence. We examined the association between smoking prevalence and duty over a 10-year period. METHODS: Using monthly data from five Australian capital cities, collected from March 2001 to March 2010 among Australians aged at least 18 years, multiple linear regression modeled associations between smoking prevalence and the two components (duty and non-duty) of the recommended retail price of an average pa..