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Aim: This study assessed fat-related anthropometric variables and regional patterns of body size and adiposity of adolescents in Aba South LGA. Methods: A total number of 600 adolescents who were secondary school students aged 10 to 19 years wereselected from 61 registered secondary schools. A multi-random sampling technique was used to select the patients. Ethical approval and informed consent were obtained from the patients who participated in the study. Each patient was subjected to weight, height, mid-upper arm circumference (MUAC), and skinfolds measurements using standard methods. Body fat percentage was calculated by the formulas described by Slaughter, Siris, and Shailk equations. Descriptive statistics of frequencies, percentages, mean, and standard deviation were used to examine the gender-specific anthropometric indices. Chi-square and independent t test were also applied to determine the differences between the parameters or variables of the genders at P< .05. Results: The respondents aged 19 years had the highest measurement for triceps (14.60 mm), thigh (35.05 mm), and MUAC (25.95 mm), while those aged 18 years had the highest measurement for suprailiac (15.00 mm) and subscapular (16.94 mm). Females had more fat deposits than males in all the skinfold sites. They also had a significantly (P ¼ .05) higher body fat percentage than males. A multiple regression analysis revealed that maximum calf fat was a strong predictor of body fat percentage of the patients. Conclusion: High prevalence of obesity was found in this study, and the 3 equations of body fat percentage showed similar findings that more females than males had higher body fat percentage.

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