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  • Title: Waist circumference, waist-to-height ratio and conicity index to evaluate android fat excess in Brazilian children.
    Author: Filgueiras MS, Vieira SA, Fonseca PCA, Pereira PF, Ribeiro AQ, Priore SE, Franceschini SDCC, Novaes JF.
    Journal: Public Health Nutr; 2019 Jan; 22(1):140-146. PubMed ID: 30295220.
    Abstract:
    OBJECTIVE: To evaluate the ability of anthropometric measurements to identify excess android fat and to propose cut-off points for excess central adiposity in children, according to age and sex. DESIGN: A cross-sectional study with children from a municipality of Minas Gerais, Brazil. Receiver-operating characteristic curve analyses were performed to evaluate waist circumference (WC), waist-to-height ratio (WHtR) and conicity index (C-index) in estimating excess android fat by dual energy X-ray absorptiometry (DXA). SETTING: Viçosa, Minas Gerais, Brazil. SUBJECTS: Children aged 4-9 years (n 788). RESULTS: Overweight prevalence was 29·1 % and android fat percentage was higher among girls. All central fat measurements were able to discriminate excess android fat in the age groups evaluated, especially WC and WHtR, with cut-off points showing good sensitivity and specificity overall. CONCLUSIONS: Because these methods are easy to obtain and inexpensive, it is possible to use WC, WHtR and C-index in population surveys to evaluate central obesity. The proposed cut-off points showed satisfactory values of sensitivity and specificity and can be used in epidemiological studies.
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