Impacts of revised smoke-free regulations under the 2020 Japan Health Promotion Act on cigarette smoking and heated tobacco product use in indoor public places and homes: findings from 2018 to 2021 International Tobacco Control (ITC) Japan Surveys.

Tob Control · 2026 · PMC12003691 · PMID 39419609

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marginally significantno p-value reported

The marginally significant increase in the proportion of people who smoke without HTP-free home policy may be the result of fewer places for smoking/HTP use or more people working from home during the COVID-19 pandemic.

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