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Journal ArticleDOI

Gender Differences in Physiologic Markers and Health Behaviors Associated With Childhood Obesity

TLDR
Gender-related differences in factors associated with obesity among middle-school children are observed, and nonobese students (both boys and girls) showed significantly healthier physiologic parameters compared with their obese counterparts.
Abstract
BACKGROUND: Previous studies have demonstrated gender-related differences in body composition, physical activity, and diet. This observational study assesses gender variance in independent predictors for obesity to determine targeted areas for intervention. METHODS: Data from 1714 sixth-grade students enrolled in Project Healthy Schools were compared by using health behaviors and physiologic markers (lipids, random glucose, blood pressure, and resting and recovery heart rates). Students were stratified by gender and obesity (BMI ≥95th percentile by age and gender). Physiologic markers and behaviors were compared by using χ 2 analysis. Univariate associations with P RESULTS: Nonobese students (both boys and girls) showed significantly healthier physiologic parameters compared with their obese counterparts. Two behaviors independently correlated with obesity in both boys and girls: regularly eating school lunches (odds ratio [OR] 1.29, 95% confidence interval [CI] 1.01–1.64; OR 1.27, 95% CI 1.00–1.62, respectively) and watching ≥2 hours of television per day (OR 1.19, 95% CI 1.07–1.32; OR 1.19, 95% CI 1.06–1.34, respectively). Vigorous physical activity and involvement in school sports teams appeared to be protective against obesity in boys (OR 0.90, 95% CI 0.82–0.98; OR 0.77, 95% CI 0.64–0.94, respectively), whereas milk consumption appeared protective in girls (OR 0.81, 95% CI 0.67–0.98). CONCLUSIONS: Among middle-school children, we observed gender-related differences in factors associated with obesity. Additional research is warranted to determine the beneficial impact of improving school lunches and decreasing screen time, while improving our understanding of gender-related differences in milk consumption and physical activities in relation to BMI.

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Systematic review of sedentary behaviour and health indicators in school-aged children and youth: an update.

TL;DR: This systematic review is an update examining the relationships between objectively and subjectively measured sedentary behaviour and health indicators in children and youth aged 5-17 years and found higher durations/frequencies of screen time and television viewing were associated with unfavourable body composition.
Journal ArticleDOI

A scoping review of epidemiologic risk factors for pediatric obesity: Implications for future childhood obesity and dental caries prevention research.

TL;DR: Identifying common risk factors has important implications for future oral health research aimed at preventing childhood obesity and dental caries and can be used to develop rigorous interventions and programs aimed at prevent these highly prevalent diseases and improving health outcomes for children.
Journal ArticleDOI

Childhood body mass index trajectories predicting cardiovascular risk in adolescence

TL;DR: BMI trajectories from infancy to middle childhood are compared and findings suggest that individuals at risk for developing CVD later in life may be identified before the AR by elevated BMI at 15 months and slow BMI declines.
References
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Journal ArticleDOI

Prevalence and Trends in Obesity Among US Adults, 1999-2000

TL;DR: The increases in the prevalences of obesity and overweight previously observed continued in 1999-2000, and increases occurred for both men and women in all age groups and for non-Hispanic whites, non- Hispanic blacks, and Mexican Americans.

2000 CDC Growth Charts for the United States: methods and development.

TL;DR: The 2000 CDC growth charts were developed with improved data and statistical procedures and now have an instrument for growth screening that better represents the racial-ethnic diversity and combination of breast- and formula-feeding in the United States.
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Prevalence and trends in overweight among us children and adolescents, 1999-2000

TL;DR: The prevalence of overweight among children in the United States is continuing to increase, especially among Mexican-American and non-Hispanic black adolescents.
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Prevalence of high body mass index in US children and adolescents, 2007-2008.

TL;DR: No statistically significant linear trends in high weight for recumbent length or high BMI were found over the time periods 1999-2000, 2001-2002, 2003-2004, 2005-2006, and 2007-2008 among girls and boys except among the very heaviest 6- through 19-year-old boys.
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