Job strain and smoking cessation among Japanese male employees: A two-year follow-up study

Etsuko Fukuoka, Kumi Hirokawa, Norito Kawakami, Masao Tsuchiya, Takashi Haratani, Fumio Kobayashi, Shunichi Araki, Hiroyuki Doi

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


The purpose of the present study was to assess the association between job strain and smoking cessation among Japanese male employees. In 1997, a baseline questionnaire was given to 2,625 (2,113 males and 512 females) employees of an electronics firm in Gifu Prefecture, Japan. The self-administered questionnaire was a set of questions on smoking habits and consisted of items on socio-demographic variables and smoking habits, including the Japanese version of the Job Content Questionnaire (JCQ). The JCQ consists of scales of job control, job demand, supervisory support, coworker support, job insecurity, physical demands, and isometric load. A total of 733 male smokers were then followed for 2 years, with 446 completing a follow-up questionnaire in 1999 (follow-up rate, 61%). Logistic regression analyses were performed to examine associations between job strain and smoking cessation. Among the 446 participants, 38 had quit smoking. After adjusting for age ((odds ratio: OR) = 0.38, 95% (contidence interval: CI) = 0.15-0.94), men with a high level of physical demands at baseline showed a lower smoking cessation rate at follow-up than did those with a low level. However, when adjustments were made for age and other socio-demographic variables, the odds ratio of smoking cessation showed marginal significance (OR = 0.45, 95% CI = 0.16-1.29). There was no significant association between other job strain variables and smoking cessation at the 2-year follow-up. No significant association was found between job strain and change in the number of smoked cigarettes per day. The present study did not support the hypothesis that higher levels of job stressors are associated with a lower rate of smoking cessation among men. Copyright

Original languageEnglish
Article number3
Pages (from-to)83-91
Number of pages9
JournalActa medica Okayama
Issue number2
Publication statusPublished - Apr 2008
Externally publishedYes


  • Job strain
  • Physical demands
  • Prospective cohort study
  • Smoking
  • Worksite support

ASJC Scopus subject areas

  • General Biochemistry,Genetics and Molecular Biology


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