This study is focused on determining the ability of BMI-based cut-off values in diagnosing obesity among Australian boys and girls.
Background: Different body mass index (BMI) and percent body fat (%BF) charts are used to categorize childhood body composition, although results can vary.
Aim: The study's objective was to examine the variation in childhood obesity incidences as represented by four classification charts.
Subjects and procedures: 741 kids had their BMI and DXA-derived %BF measurements taken. The prevalence of overweight and obesity was compared between two body mass index (BMI) charts and two %BF charts based on bioelectrical impedance (BIA).
Conclusions: The depicted incidences of obesity varied significantly between the %BF-based charts, in contrast to the BMI-based charts. These discrepancies were thought to be the result of previously documented variation within and between the BIA and DXA%BF tests supporting the charts. The current study emphasizes the need for BIA and DXA procedures that are reliable, consistent, and valid.
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