Associations between Sleep Duration and Smoked Cigarettes per Day, Heavy Smoking in Smokers

ABSTRACT

BACKGROUND@#This study was performed to evaluate the associations between sleep duration and smoked cigarettes per day, prevalence of heavy smoking.@*METHODS@#This study was based on the data of 9,893 subjects who are currently smoking, from the 4th to 6th Korea National Health and Nutrition Examination Survey. Based on appropriate sleep duration from National Sleep Foundation, study subjects were categorized into short, appropriate and over sleep group. Multiple regression analysis was performed to evaluate the association between sleep duration and smoked cigarettes per day, prevalence of heavy smoking. Age, gender, household income, education, marital status, occupation, alcohol use, body weight, hypertension, diabetes mellitus, depression, and level of stress were controlled.@*RESULTS@#Compared with appropriate sleep group, smoked cigarettes per day and prevalence of heavy smoking were higher in short sleep group, and lower in over sleep group.@*CONCLUSIONS@#There is association between sleep duration and smoked cigarettes per day, prevalence of heavy smoking.