Public Health
Volume 123, Issue 10 , Pages 650-656, October 2009

Active cigarette smoking, secondhand smoke exposure at work and home, and self-rated health

  • A. Nakata

      Affiliations

    • National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, 4676 Columbia Parkway, Cincinnati, OH 45226, USA
    • Corresponding Author InformationCorresponding author.
    • ,
  • M. Takahashi

      Affiliations

    • National Institute of Occupational Safety and Health, Kawasaki, Japan
    • ,
  • N.G. Swanson

      Affiliations

    • National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, 4676 Columbia Parkway, Cincinnati, OH 45226, USA
    • ,
  • T. Ikeda

      Affiliations

    • Department of Occupational and Public Health Nursing, School of Health Sciences, University of Occupational and Environmental Health, Fukuoka, Japan
    • ,
  • M. Hojou

      Affiliations

    • Ota Regional Occupational Health Centre, Tokyo, Japan

Received 27 August 2008; received in revised form 21 July 2009; accepted 11 September 2009. published online 30 October 2009.

Summary 

Objectives

Although active smoking has been reported to be associated with poor self-rated health (SRH), its association with secondhand smoke (SHS) is not well understood.

Study design

A cross-sectional study was conducted to examine the association of active smoking and SHS exposure with SRH.

Methods

A total of 2558 workers (1899 men and 689 women), aged 16–83 (mean 45) years, in 296 small and medium-sized enterprises were surveyed by means of a self-administered questionnaire. Smoking status and exposure levels to SHS (no, occasional or regular) among lifetime non-smokers were assessed separately at work and at home. SRH was assessed with the question: How would you describe your health during the past 1-year period (very poor, poor, good, very good)? SRH was dichotomized into suboptimal (poor, very poor) and optimal (good, very good). Odds ratios (ORs) with 95% confidence intervals (CIs) for reporting suboptimal vs optimal SRH according to smoking status and smoke exposure were calculated.

Results

Current heavy smokers (20+ cigarettes/day) had a significantly increased suboptimal SRH than lifetime non-smokers after adjusting for sociodemographic, lifestyle, physical and occupational factors (OR 1.34, 95% CI 1.06–1.69). Similarly, lifetime non-smokers occasionally exposed to SHS at work alone had worse SRH than their unexposed counterparts (OR 1.50, 95% CI 1.02–2.11). In contrast, lifetime non-smokers exposed at home alone had no significant increase in suboptimal SRH.

Conclusions

The present study indicates an increase in suboptimal SRH among current heavy smokers, and suggests that SHS exposure at work is a possible risk factor for non-smokers. Whether or not the association is causal, control of smoking at work may protect workers from developing future health conditions.

Keywords: Cigarette smoking, Secondhand smoke, Self-rated health, Worker, Occupational health, Small and medium-size business

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PII: S0033-3506(09)00259-5

doi:10.1016/j.puhe.2009.09.006

Public Health
Volume 123, Issue 10 , Pages 650-656, October 2009

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