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Open Access Modeling the Population Health Impacts of Heated Tobacco Products in Japan

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Objective: We evaluated the potential population health impact of launching heated tobacco products (HTP) in Japan. Method: We use a modeling approach to project the effects of HTP use in overall mortality up to 2100 and compare those projections against a baseline scenario based on smoking rates pre-HTP launch, ie, smoking only. The model was informed using data from publicly available sources and the literature, including population size, yearly deaths, and smoking prevalence with the initial year of 2004, and births and migration from 2004 to 2065. Transitions between products were estimated from cross-sectional population surveys in Japan. Result: In a worst-case scenario, population health gains would be seen with HTPs risk about 50% lower risk than smoking. Assuming equal risk for dual use and smoking, HTP risk would need to be at least 10% lower than smoking to achieve a population health benefit by 2100. Potential reduction in life-years lost with the introduction of HTPs was 13 million by 2100 compared with smoking only. Conclusions: In credible scenarios, substantial population harm reduction will follow the introduction of HTPs in Japan.

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Keywords: HEATED TOBACCO PRODUCTS; HTP; POPULATION HEALTH; SYSTEM DYNAMICS MODEL; THP; TOBACCO HARM REDUCTION

Document Type: Research Article

Publication date: May 2021

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  • Tobacco Regulatory Science (Electronic ISSN 2333-9748) is a rigorously peer-reviewed online scientific journal for the dissemination of research relevant to the regulation of tobacco products. The journal content includes a broad array of research domains, including chemistry, biology, behavior, community, and population-level surveillance and epidemiology, as well as knowledge syntheses (eg, meta-analyses or state-of-the-art reviews) and analytic modeling. All articles describe the policy relevance of the research outcomes. Given the global nature of tobacco regulation, particularly as a result of international and national policies, Tobacco Regulatory Science publishes high quality research that is relevant to global regulatory needs and requirements. Tobacco Regulatory Science is published electronically 6 times per year.
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