Tobacco price increase and smoking behaviour changes in various subgroups: a nationwide longitudinal 7-year follow-up study among a middle-aged Japanese population

Tobacco Control
Takahiro TabuchiTomohiro Shinozaki

Abstract

Few longitudinal studies have examined the effect of tobacco price increase on both cessation among smokers and relapse among quitters. Our objective was to investigate the differential impact of the tobacco price increase on the changes in smoking status in the total population and various subgroups. We analysed data from a Japanese nationally representative longitudinal study of 30 773 individuals aged 50-59 years (weighted sum of discrete-time number = 215 411) with smoking information, using inverse probability weighting to account for non-response at follow-up. Generalised estimating equation models were used to calculate the odds ratios (ORs) for smoking behavioural changes (cessation among smokers and relapse among quitters), using discrete-time design. Stratified analyses were conducted according to demographic, socioeconomic and health behavioural characteristics. From 2005 to 2012, current smoker prevalence among the middle-aged Japanese population decreased from 30.5% to 24.3%. Of all the factors surveyed, only the tobacco price increase in 2010 (up by 37%, the highest increase during the period) was significantly associated with both cessation among smokers (OR 2.14, 95% confidence interval 1.90 to 2.41) and prevent...Continue Reading

References

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Citations

Feb 3, 2018·Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco·Takahiro TabuchiSilvano Gallus
Jan 17, 2019·The International Journal of Biostatistics·Tomohiro Shinozaki, Mohammad Ali Mansournia
Sep 17, 2020·Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco·Keisuke MatsubayashiHiroyasu Iso

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