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Published on: October 22, 2020
Smoking cessation: predictive factors among middle-aged Japanese
Kaori Honjo1, Hiroyasu Iso, Manami Inoue
1Public Health, Department of Social and Environmental Health, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan.
Summary
Predictors for smoking cessation in Japanese adults include age, job type, smoking habits, physical activity, and health status. Health checkups and prescribed medication initiation also increased cessation likelihood.
Area of Science:
- Public Health
- Epidemiology
- Behavioral Science
Background:
- Limited research exists on long-term smoking cessation predictors in Asian populations.
- This study utilizes data from the Japan Public Health Center-based Prospective Study (JPHC Study) Cohort I.
Purpose of the Study:
- To identify predictors of smoking cessation among Japanese adults.
- To analyze long-term follow-up data for smoking cessation trends.
Main Methods:
- A cohort of 9,524 Japanese men and women (aged 40-59) smokers in 1990 was analyzed.
- Smoking status was assessed at a 10-year follow-up (2000).
- Adjusted odds ratios (OR) were calculated for various predictors.
Main Results:
- 24.9% of participants quit smoking over 10 years.
- Predictors for cessation included white-collar jobs (OR: 1.18), prescribed drug initiation (OR: 1.92), and disease development (OR: 1.21).
- Factors associated with cessation were older age, physical activity, and health checkups; heavier smoking and early initiation predicted lower cessation rates.
Conclusions:
- Key predictors for smoking cessation in middle-aged Japanese smokers are age, occupation, smoking intensity and history, physical activity, and engagement in health checkups.
- Health status and the initiation of prescribed medications are also significant factors influencing cessation.
- Gender was not a significant predictor after adjusting for other variables.
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