Exposure to secondhand smoke and depression and anxiety: A report from two studies in the Netherlands

M. Bot, J.M. Vink, G. Willemsen, J.H. Smit, J. Neuteboom, C. Kluft, D.I. Boomsma, B.W.J.H. Penninx

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Objective: Previous population-based studies suggest that exposure to secondhand smoke (SHS) is related to increased depressive symptoms and poor mental health among non-smokers. We examined whether these associations could be replicated in two independent Dutch samples. Methods: Non-smoking adults were selected from two studies: 1) the Netherlands Study of Depression and Anxiety (NESDA), comprising individuals with current and remitted depressive and/or anxiety disorders, and healthy controls and 2) the Netherlands Twin Register (NTR), comprising twin-family studies on health-related behaviors. In both studies, SHS exposure was assessed with plasma cotinine levels (1-14. ng/ml vs. <. 1. ng/ml). In NESDA, outcomes were current depressive and/or anxiety disorders, and depression and anxiety symptom severity scores. In NTR, the Adult Self Report derived DSM-subscales for depressive and anxiety problems, and anxious depressive scores were analyzed. Results: In NESDA non-smokers (n=1757), increased plasma cotinine level (≥. 1. ng/ml) was not related to current depressive and/or anxiety disorders [odds ratio (OR) 0.96, P=.77], nor to depression or anxiety severity indicators. Similarly, in NTR non-smokers (n=1088) cotinine levels ≥. 1. ng/ml were not associated with the DSM-subscale for depressive problems [unstandardized regression coefficient (B) 0.04, P=.88], nor to other depression and anxiety measures. Conclusions: In non-smoking adults from patient and population samples, we found no evidence that plasma cotinine levels were related to either depressive and/or anxiety disorders, or to depressive and anxiety symptoms. This suggests that SHS exposure is not related to depression and anxiety in non-smoking adults. © 2013 Elsevier Inc.
Original languageEnglish
Pages (from-to)431-436
JournalJournal of psychosomatic research
Issue number5
Early online date31 Aug 2013
Publication statusPublished - 2013

Cohort Studies

  • Netherlands Twin Register (NTR)

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