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Sleep difficulties and obesity among preadolescents
Jian Liu1, John Hay, Divya Joshi
1Department of Community Health Sciences, Brock University, 500 Glenridge Ave, St. Catharines, ON L2S 3A1. jliu@brocku.ca
Summary
Preadolescent children experiencing sleep difficulties, such as waking at night or snoring, are more likely to be overweight or obese. This study highlights a significant association between sleep problems and increased risk of childhood obesity.
Area of Science:
- Pediatric Health
- Sleep Medicine
- Obesity Research
Background:
- Childhood overweight and obesity are significant public health concerns.
- Sleep disturbances are increasingly recognized as a potential contributing factor to pediatric obesity.
Purpose of the Study:
- To investigate the association between sleep difficulties and overweight/obesity status in preadolescent children.
- To quantify the relationship between specific sleep problems and the likelihood of being overweight or obese.
Main Methods:
- A cross-sectional study involving 606 preadolescents (ages 11-13) in southern Ontario, Canada.
- Overweight/obesity determined by age- and gender-specific criteria; sleep difficulties reported by parents.
- Logistic regression analysis adjusted for covariates including physical activity, caloric intake, and maternal education.
Main Results:
- 28% of participants were overweight or obese.
- Overweight/obese children had higher prevalence of sleep difficulties (26.3% vs. 10.3%), reduced sleep hours, and lower physical activity.
- Odds of being overweight/obese increased significantly with the number of reported sleep problems, with the highest odds (3.52) for those with all three problems.
Conclusions:
- Sleep difficulties are significantly associated with an increased risk of overweight and obesity in preadolescents.
- The findings suggest a link between sleep disturbances and the development or maintenance of childhood obesity.
- Further research is warranted to elucidate the causal direction of this relationship.
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