The spread of heated tobacco product (HTP) use across various subgroups during 2015–16 and 2017–18 in Japan
2023 年 28 巻 p. 5
詳細
2023 年 28 巻 p. 5
Background: Heated tobacco product (HTP) use has increased substantially between 2016 and 2017 in Japan. This study aims to clarify how HTP use (IQOS, Ploom, and glo) spread across the different combustible cigarette smoking statuses during 2015–16 and 2017–18 in Japan.
Methods: We compared the two periods of (i) 2015 to 2016 (N = 5,366) and (ii) 2017 to 2018 (N = 3,422) from a longitudinal study randomly sampling members from the Japan “Society and New Tobacco” Internet Survey (JASTIS). Multivariable logistic regression models for current HTP use in the previous 30 days by combustible cigarette smoking status in the previous year were used adjusting for socio-demographic factors.
Results: HTP use increased by 10 times in the 2017–18 cohort compared with the 2015–16 cohort according to the adjusted odds ratio (95% confidence interval) for current HTP use as 10.2 (7.03–14.8). According to smoking status, significantly higher adjusted ORs (95% CIs) of current HTP use for the after period were observed: 2.60 (1.37–4.94) for never smokers, 7.82 (3.64–16.8) for former smokers, 21.1 (5.73–77.9) for current smokers with intention to quit, and 17.0 (9.58–30.3) for current smokers without intention to quit.
Conclusion: During 2015 to 2018 in Japan, HTP use dramatically increased in all subgroups except for never smokers.
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