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Trends in Socio-economic Differentials in Cigarette Smoking Behaviour Between 1990 and 1998: a Large Prospective Study in Korean Men

Overview
Journal Public Health
Publisher Elsevier
Specialty Public Health
Date 2004 Nov 9
PMID 15530934
Citations 23
Authors
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Abstract

Objectives: To investigate the magnitude and time trends in socio-economic differentials in cigarette smoking behaviour.

Study Designs: A prospective observational study of male civil servants followed-up for 8 years.

Setting: All civil service offices in Korea.

Participants: A total of 322,991 male civil servants aged 30-49 years on whom information on monthly salary was available and who had reported cigarette smoking behaviour between 1990 and 1998.

Results: Smoking prevalence was 60.1% in 1990 and was inversely associated with salary level. The difference in smoking prevalence between the highest and the lowest salary groups gradually widened from 13.0% in 1990 to 16.1% in 1998. The relative index of inequality (RII) as a measure of socio-economic inequality in smoking behaviour was 1.91 [95% confidence interval (CI) 1.86-1.97] in 1990 and increased between 1990 and 1998. The RII for smoking cessation was 0.60 in 1990 (95% CI 0.58-0.62) and gradually decreased as time lapsed.

Conclusions: An increasing trend in socio-economic inequality in smoking behaviour was observed in this study.

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Chang Y, Cho S, Kim I, Bahk J, Khang Y J Prev Med Public Health. 2018; 51(6):310-319.

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Income, occupation and education: Are they related to smoking behaviors in China?.

Wang Q, Shen J, Sotero M, Li C, Hou Z PLoS One. 2018; 13(2):e0192571.

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