This study aimed to examine if a total smoking ban on an university Campus prevents the acquisition of smoking habits in students after entering the university.
The subjects were 1,192 first-year students who entered a medical school between 2001 and 2011. At periodic health examinations, a self-administered questionnaire was used to examine their smoking status at entrance and one year later. In this survey, the subjects were tracked for one year and examined their smoking status. The percentages of subjects who acquired smoking habit and those who quitted smoking during the observational period were compared before and after the total smoking ban.
In male students, the mean percentage of new smokers was 11.5% before the smoking ban but 3.6% after the ban, indicating a significant reduction (chi-square test; p<0.01). In contrast, the percentage of subjects who quitted smoking was 2.8% before the ban and 3.6% after the ban, indicating an increase but not significant. In female students, there was no significant difference between before and after the ban in the percentage of new smokers or subjects who quitted smoking.
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