We evaluated demographic, socioeconomic, smoking-related, other health behavior, and disease factors associated with smoking cessation.

This study included 5,493 male employees in a steel manufacturing industry, who smoked at health examination underwent in 1998. Quitters were defined as those who had stopped smoking at least one month prior to re-examination in 1999. The information on related factors was collected by self-administered questionnare.

At 12 months of follow-up, 1,955 patients (35.6 %) had quit smoking. The quit rate was higher in middle-aged, white collar, and high rank personnels. The quit rate increased with decreasing amount of cigarette, decreasing duration of smoking, and increasing age of starting smoking. There were higher quit rates among smokers who drank less or exercise. However, the existence of disease did not affect the quit rate.

This study showed that many demographic, socioeconomic, smoking-related and other health behaviors associated with smoking cessation. These results could be of use in the other worksite smoking cessation campaigns to enhance the quit rate.