The Differential Impact of the 2000 Canadian Graphic Warning Label Policy on Smoking Prevalence by Sex and Education: A Difference-in-Difference-in-Difference Model

Usidame, B; Meng, G; Thrasher, JF; Thompson, ME; Fong, GT; Fleischer, NL

Usidame, B (通讯作者),Univ Michigan, Dept Epidemiol, Ann Arbor, MI 48109 USA.

NICOTINE & TOBACCO RESEARCH, 2022; 24 (11): 1732

Abstract

Introduction Using a quasiexperimental design, we compared the impact of the 2000 Canadian introduction of graphic warning labels (GWLs) on difference......

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