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J Adolesc Health. 2009 Dec;45(6):618-25. doi: 10.1016/j.jadohealth.2009.04.022. Epub 2009 Jun 28.

Perceptions of second-hand smoke risks predict future adolescent smoking initiation.

Author information

  • 1University of California, Merced, School of Social Sciences, Humanities, and Arts, Psychological Sciences, Merced, California 95343, USA. anna.song@ucmerced.edu

Abstract

PURPOSE:

To directly test whether perceptions of second-hand smoke risks deter adolescent smoking initiation.

METHODS:

A longitudinal survey design was utilized in this study. Baseline surveys measuring perceptions of tobacco-related risks and smoking behaviors were administered to 395 high school students, with three follow-up assessments every 6 months.

RESULTS:

Perceptions of personal second-hand smoke risks and parental second-hand smoke risks significantly deterred adolescent smoking initiation. Perceptions of personal second-hand smoke risks reduced the odds of smoking by a factor of 0.63 (95% confidence interval [CI]=0.42-0.94) for each quartile increase in perceptions of personal second-hand smoke risks. Adolescents who provided the highest estimates of risks for personal second-hand smoke were 0.25 as likely to smoke as adolescents who provided the lowest estimates of risk. Perceptions of parental second-hand smoke risks reduced the odds of smoking by a factor of 0.64 (95% CI=0.43-0.93) for each quartile increase. Adolescents who perceived the highest estimates of risks associated with parental second-hand smoke were 0.26 as likely to smoke in the future compared to adolescents who provided the lowest estimates of risk. These effects are over three times as large as a smoking peer's influence on a nonsmoking adolescents' risk for smoking initiation, odds ratio [OR]=1.18 (95% CI=1.02-1.35).

CONCLUSIONS:

Adolescent perceptions of risks of second-hand smoke are strongly associated with smoking initiation. Encouraging adolescents to express their objections to second-hand smoke, as well as encouraging parents to create smoke-free homes, may be powerful tobacco control strategies against adolescent smoking.

PMID:
19931835
[PubMed - indexed for MEDLINE]
PMCID:
PMC2814413
Free PMC Article
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