Publikasi Dosen
Indeks Massa Tubuh Menurut Umur sebagai Indikator Persen Lemak Tubuh pada Remaja
Health impact which caused by overnutrition is related by excess body fat. Thus, nutritional status monitoring in adolescent is crucial because the prevelance of overnutrition in adolescent increased per years. Body Mass Index per age (BMI/A) is generally used to determine nutritional status, but incapable to measure overnutrition related excess body fat precisely. Body fat percentage is used to determine overnutrition but special equipment and capability are required. The purpose of the study is to analyze correlation between BMI/A and body fat percentage and verify BMI/A’s sensitivity-specificity as body fat percentage’s indicator. In this cross-sectional study, 82 adolescents from SMAN 47 Jakarta are chosen to participate by simple random sampling. Body fat percentage and BMI/A are being taken by anthropometric instruments, where body fat percentage used to be the gold standart. Using BMI/A, the prevalence of overnutrition is 23,2%. Its lower than using the gold standart (35,4%). The correlation between BMI/A and percent body fat is r=0,814; p=0,000. Their sensitivity is 55,17% while their spesificity is 94,34%. Eventhough there is strong correlation,
BMI/A is less sensitive as body fat percentage’s indicator to determine nutritional status in adolescent. Body fat measurement is needed to validate value of BMI/A.
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