Key result
Low cardiorespiratory fitness is linked to a ~6-fold higher risk of abdominal obesity in boys.
Why the study?
The influence of cardiorespiratory fitness, parental overweight status, and socioeconomic status on adolescents' abdominal obesity was not well characterized.
Do cardiorespiratory fitness and parental lifestyle influence the risk of abdominal obesity in adolescents?
Cross-Sectional (n=779)
Do cardiorespiratory fitness and parental lifestyle influence the risk of abdominal obesity in adolescents?
Odds Ratio: 6.43 (95% CI 3.33–12.39)
p-value: p=≤0.05
Low cardiorespiratory fitness and parental overweight status are strong predictors of abdominal obesity in adolescents, highlighting the importance of family lifestyle and fitness interventions.
Should not yet change adolescent practice; hypothesis-generating for sex-specific fitness and family interventions.
AIM: The aims of this study were (1) to analyse the influence of cardiorespiratory fitness (CRF) and parental overweight status (POS) and socioeconomic status (SES) on abdominal obesity. SUBJECTS AND METHODS: This study was comprised of 779 adolescents (12-18 years). Waist-height ratio (WHtR), 20 m shuttle-run test to ascertain CRF, POS according to World Health Organization recommendations and SES of parents using level of education were analysed. RESULTS: Using WHtR, the prevalence of abdominal obesity was 21.3% (23.5% girls and 17.9% boys; p = 0.062). Regardless of gender, participants who belonged to the WHtR risk group had significantly (p ≤ 0.05) lower CRF scores than the WHtR non-risk group; 84.4% of girls who belonged to the WHtR risk group had one or two overweight parents (p ≤ 0.05). Boys with low CRF (OR: 6.43; CI: 3.33-12.39) were more likely to belong to the WHtR risk group compared with their lean peers. Girls with low CRF (OR: 1.78; CI: 1.14-2.78) and with at least one overweight parent (OR: 2.50; CI: 1.07-5.85) or two overweight parents (OR: 4.90; CI: 2.08-11.54) were associated with the risk of abdominal obesity. CONCLUSION: This study highlights the influence of adolescents' family on abdominal obesity, especially in girls. Further, the data suggested that low CRF was a strong predictor of risk values of abdominal obesity in adolescence.
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Vale et al. (2011) conducted a cross-sectional in Abdominal obesity (n=779). Low cardiorespiratory fitness and parental overweight status vs. High cardiorespiratory fitness and non-overweight parents was evaluated on Abdominal obesity (waist-height ratio risk group) (OR 6.43, 95% CI 3.33-12.39, p=≤0.05). Low cardiorespiratory fitness was strongly associated with abdominal obesity in boys (OR 6.43; 95% CI 3.33-12.39), while having two overweight parents significantly increased risk in girls (OR 4.90).
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