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J Youth Adolesc. 2009 Nov;38(10):1364-73. doi: 10.1007/s10964-009-9421-0. Epub 2009 Jun 7.

Associations between smoking and extreme dieting among adolescents.

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  • 1Department of Applied Health Science, Indiana University, 1025 E. Seventh Street, Bloomington, IN 47405, USA. seo@indiana.edu

Abstract

This study examined the association between cigarette smoking and dieting behaviors and trends in that association among US adolescents in grades 9-12 between 1999 and 2007. Youth Risk Behavior Survey datasets were analyzed using the multivariable logistic regression method. The sample size of each survey year ranged from 13,554 to 15,273 with girls representing 49-51% of the sample (N = 71,854). About 62% of the entire study participants were whites and 14% were blacks. Prevalence estimates of current smoking and corresponding 95% confidence intervals were computed across four comparison groups formed by gender and body weight. Extreme dieting was an independent predictor of smoking. Extreme dieters showed a higher variability of smoking behavior than their peers. The magnitude of the association between smoking and extreme dieting became smaller in recent years among adolescents but remained unchanged among non-overweight girls over that same time period. When adolescent smoking behavior is examined, the intensity of dieting behavior should be considered within its association with other co-occurring unhealthy behaviors.

PMID:
19779812
[PubMed - indexed for MEDLINE]
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