Journal of Epidemiology
Online ISSN : 1349-9092
Print ISSN : 0917-5040
Original Article
Passive Smoking at Home by Socioeconomic Factors in a Japanese Population: NIPPON DATA2010
Minh NguyenNobuo NishiAya KadotaNagako OkudaHisatomi ArimaAkira FujiyoshiYasutaka NakanoTakayoshi OhkuboHirotsugu UeshimaAkira OkayamaKatsuyuki Miura
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ジャーナル オープンアクセス

28 巻 (2018) Supplement_III 号 p. S40-S45

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Background: Long-term passive exposure to cigarette smoke has been reported to affect the health of non-smokers. This study aims to investigate the relationships among socioeconomic factors and passive smoking at home in the non-current smokers of a representative sample from a general Japanese population.

Methods: Data are from NIPPON DATA2010. Among 2,891 participants, 2,288 non-current smokers (1,763 never smokers and 525 past smokers) were analyzed in the present study. Cross-sectional analyses were performed on the relationships among socioeconomic factors and passive smoking at home (several times a week or more) in men and women separately. Socioeconomic factors were employment, length of education, marital status, and equivalent household expenditure. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using a multivariable logistic regression model.

Results: The multivariable-adjusted model showed that employed women had a higher risk of passive smoking than unemployed women (OR 1.44; 95% CI, 1.06–1.96). Women with 9 years or less of education had a higher risk of passive smoking at home than women with 13 years and more of education (OR 2.37; 95% CI, 1.49–3.78). Single women had a lower risk of passive smoking at home (OR 0.53; 95% CI, 0.37–0.77) than married women. No significant associations were observed in men.

Conclusions: An employed status, lower education, and being single were associated with passive smoking at home in the non-current smoking women of a representative Japanese population.

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© 2018 Minh Nguyen et al. This is an open access article distributed under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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