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J Adv Nurs. 2010 Jun;66(6):1246-56. doi: 10.1111/j.1365-2648.2010.05293.x.

Obesity among adolescents: sedentary leisure time and sleeping as determinants.

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1
Laboratory of Physical Activity & Obesity Prevention, Institute of Clinical and Community Health Nursing, National Yang-Ming University, Taipei, Taiwan. ymliou@ym.edu.tw

Abstract

BACKGROUND:

Over the past 30 years, the prevalence of overweight and obesity in children and adolescents has nearly tripled. Physical inactivity, unbalanced diet, and unhealthy lifestyles may cause lifelong obesity.

METHODS:

A representative, national cross-sectional study was carried out between 2006 and 2007 with 40 middle high schools with 384 classes. We used a three-stage stratified systematic sampling design with a probability proportionate to the size from the northern, middle, southern, and eastern areas in Taiwan. Questionnaires were completed by 8640 students (51.7% boys and 48.3% girls) aged between 13 and 16 years.

RESULTS:

Obesity was identified in 7.2% of the participants and 16.1% were overweight. Using stepwise logistic regression, we found that those whose fathers or mothers were obese, watched television for more than 2 hours/day on weekdays and slept for less than 7.75 hours/day at weekends had a statistically significantly greater risk of obesity (females: ORs = 3.4, 4.2, 1.8, and 4.2, respectively; P < 0.05; boys: ORs = 2.3, 1.7, 1.4, and 1.6, respectively; P < 0.05).

CONCLUSION:

To help prevent obesity, strategies are needed to decrease adolescents sedentary leisure time and help them have sufficient sleep. Nurses can play a key role in health promotion in relation to childhood and adolescent obesity.

[Indexed for MEDLINE]

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