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Association between environmental tobacco smoke and depression among Korean women

 Na Hyun Kim  ;  Hyeon Chang Kim  ;  Joo Young Lee  ;  Ju-Mi Lee  ;  Il Suh 
 BMJ OPEN, Vol.5(6) : 007131, 2015 
Journal Title
Issue Date
Adult ; Aged ; Aged, 80 and over ; Cross-Sectional Studies ; Depressive Disorder/diagnosis ; Depressive Disorder/etiology* ; Female ; Humans ; Middle Aged ; Republic of Korea ; Self Report ; Tobacco Smoke Pollution/adverse effects*
OBJECTIVE: To evaluate the association between environmental tobacco smoke (ETS) exposure and depression among Korean women. METHODS: Between 2008 and 2011, we examined 731 men and 1249 women (aged 39-85 years) for the Korean Genome and Epidemiology Study (KoGES)-Kangwha. Among 1208 never-smoking women, we excluded two women taking antidepressants and five women who did not complete the Beck Depression Inventory (BDI). Therefore, we performed a cross-sectional analysis on 1201 women. ETS exposure was assessed using a self-reported questionnaire, and was classified into three groups: no exposure, occasional exposure and regular exposure. Depression was assessed using the BDI score, which ranged from 0 to 63, and the presence of depression was defined as a BDI score ≥ 10. RESULTS: Women exposed to ETS were more likely to have depression than those without ETS exposure (p=0.019). When BDI was analysed as a continuous variable, women exposed to ETS had significantly higher BDI scores after full adjustment (overall exposure: β=1.36, p=0.013; occasional exposure: β=1.15, p=0.063; regular exposure: β=1.90, p=0.039). ETS exposure was significantly associated with depression in a dose-response manner even after adjusting for age, body mass index, menopause, socioeconomic status, lifestyle and prevalent chronic diseases. The adjusted OR for depression (95% CI) was 1.72 (1.25 to 2.37) for overall ETS exposure, 1.56 (1.09 to 2.24) for occasional exposure and 2.19 (1.30 to 3.69) for regular exposure, when compared to no exposure. CONCLUSIONS: Exposure to ETS was associated with depression among middle aged and elderly Korean women.
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1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyeon Chang(김현창) ORCID logo https://orcid.org/0000-0001-7867-1240
Suh, Il(서일) ORCID logo https://orcid.org/0000-0002-9689-7849
Lee, Joo Young(이주영)
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