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Parental Smoking and Smoking Status of Japanese Dental Hygiene Students: A Pilot Survey at a Dental Hygiene School in Japan
Department of General Dentistry, Fukuoka Dental College, Tamura 2-15-1, Fukuoka 814-0193, Japan
Department of Health Informatics, School of Public Health, Kyoto University Graduate School of Medicine, Yoshida-Konoe, Kyoto 606-8501, Japan
Department of Preventive Medicine, Biostatistics and Medical Decision Making, Nagoya University Graduate School of Medicine, Tsurumai 65, Nagoya 466-8550, Japan
* Author to whom correspondence should be addressed.
Received: 20 November 2008; Accepted: 16 January 2009 / Published: 19 January 2009
Abstract: This study aimed to determine the frequency of smoking and to explore factors associated with the smoking habits of female students at a dental hygiene school in Japan. Questionnaires regarding cigarette smoking were given to 168 female students. The response rate was 97.6%. The prevalence of smoking, including current and occasional smokers, was 20.3%. Among family members, only the smoking status of their mother significantly influenced the smoking status of the students. The odds ratio for smoking among dental hygiene students whose mothers were smokers in comparison to students whose mothers were not smokers was 5.1 (95% confidence interval 2.1-12.2, p=0.000). Decision tree analysis showed that the smoking habit of dental hygiene students was correlated with their mothers’ smoking history, as well as the smoking status of junior high school teachers, the smoking habits of close friends and a history of participating in a smoking prevention program when in elementary school. The increased smoking rate of young females, including dental hygienists, is a growing problem in Japan. The smoking statuses of dental hygiene students might be closely influenced by their mothers' smoking status.
Keywords: Smoking; smoking prevention; questionnaire survey; decision tree analysis
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Naito, T.; Miyaki, K.; Naito, M.; Yoneda, M.; Suzuki, N.; Hirofuji, T.; Nakayama, T. Parental Smoking and Smoking Status of Japanese Dental Hygiene Students: A Pilot Survey at a Dental Hygiene School in Japan. Int. J. Environ. Res. Public Health 2009, 6, 321-328.
Naito T, Miyaki K, Naito M, Yoneda M, Suzuki N, Hirofuji T, Nakayama T. Parental Smoking and Smoking Status of Japanese Dental Hygiene Students: A Pilot Survey at a Dental Hygiene School in Japan. International Journal of Environmental Research and Public Health. 2009; 6(1):321-328.
Naito, Toru; Miyaki, Koichi; Naito, Mariko; Yoneda, Masahiro; Suzuki, Nao; Hirofuji, Takao; Nakayama, Takeo. 2009. "Parental Smoking and Smoking Status of Japanese Dental Hygiene Students: A Pilot Survey at a Dental Hygiene School in Japan." Int. J. Environ. Res. Public Health 6, no. 1: 321-328.