Unlabelled: Body mass index (BMI) is thought to reflect excess adiposity in both youth and adults alike. However, the association between BMI and fatness varies, especially as children grow into adults. Thus, the present study sought to address this issue by characterizing how BMI reflects age and sex differences in body fatness in 7-16-year-old children.
Methods: This cross-sectional study was conducted with 2150 children and adolescents, aged 7 to 16 years from the city of Santa Cruz do Sul, Brazil. BMI (kg/m), and percentage body fat, using tricipital and subscapular folds, were assessed. For statistical analysis, ANOVA and ANCOVA were used.
Results: When considered in isolation, there was no significant interaction in the age-by-sex differences in BMI ( = 0.69). However, when we controlled for percent body fatness, the analysis revealed considerable age-by-sex differences in BMI ( < 0.001).
Conclusion: For the same body fat (%), there are no differences in BMI in children <10 years.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8345620 | PMC |
| http://dx.doi.org/10.3390/ijerph18157833 | DOI Listing |
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