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BMJ Open. 2015 Nov 12;5(11):e008229. doi: 10.1136/bmjopen-2015-008229.

Heavy smoking rate trends and related factors in Korean occupational groups: analysis of KNHANES 2007-2012 data.

Author information

1
College of Medicine, The Catholic University of Korea, Seoul, Korea.
2
Department of Occupational and Environmental Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.

Abstract

OBJECTIVES:

The present study was designed to investigate the smoking and heavy smoking trends and identify possible related factors among Korean male workers from 2007 to 2012 by occupational groups.

METHODS:

The data were derived from the fourth (2007-2009) and fifth (2010-2012) waves of the Korean National Health and Nutrition Examination Survey (KNHANES). Occupational groups were categorised into three groups, which were non-manual, manual and service and sales groups. Age-adjusted prevalence rates of smoking and heavy smoking (>20 cigarettes/day) in men aged 25-64 years were calculated. Factors associated with heavy smoking were investigated using logistic regression analyses.

RESULTS:

Smoking rate in manual workers decreased gradually over time (p for trend <0.0001). Smoking rate was higher in manual than non-manual workers, but the difference reduced over time (p for trend <0.0001). Heavy smoking rate decreased from 2007 to 2012 (p for trend <0.0001). Heavy smoking rate was higher in manual than non-manual workers; however, this difference increased over time. Stress, depressive mood and long working hours (≥60 h/week) were associated with heavy smoking.

CONCLUSIONS:

Antismoking policy should focus on current and heavy smokers. Workplace antismoking programmes should consider working hours and stress, especially in manual workers.

KEYWORDS:

Heavy smoking; Korea; Occupation; Smoking; Trend

PMID:
26563212
PMCID:
PMC4654360
DOI:
10.1136/bmjopen-2015-008229
[Indexed for MEDLINE]
Free PMC Article

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