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EnglishBackground: The use of body mass index (BMI) could lead to over/under estimation of fat mass percentage (FM%). An alternative index (inverted BMI, iBMI) has been proposed as a better estimator of FM% in adults, while its practical feasibility in children and adolescents has not been fully investigated. Aim: To examine if iBMI can better estimate FM% than BMI in children/adolescents. Subjects and methods: Height, weight, and triceps and subscapularis skinfolds were measured in 6686 schoolchildren aged 11-14-years-old. BMI and iBMI (squared height/weight) were calculated; FM% was estimated by skinfold thicknesses. The Pearson correlation coefficient and the coefficient of determination were obtained to test the best regression model between the indexes and FM%. Results: FM% was linearly related to both indexes with R2 values that were overall > 0.7. No significant differences among the R2 values were found (p value = .2, ANOVA). Conclusion: BMI persists as a robust index for health surveillance screening in children/adolescents, being very intuitive and ready-to-use. Inverted BMI may be more accurate within a cohort of adults who experience only ponderal modifications, directly implicated in the variation of FM. In conclusion, the BMI remains a quick, handy and intuitive predictor of FM%.
BMI and inverted BMI as predictors of fat mass in young people: a comparison across the ages / G. Ceccarelli, M. Bellato, M. Zago, G. Cusella, C. Sforza, N. Lovecchio. - In: ANNALS OF HUMAN BIOLOGY. - ISSN 0301-4460. - 47:3(2020 Apr 03), pp. 237-243.
| Titolo: | BMI and inverted BMI as predictors of fat mass in young people: a comparison across the ages |
| Autori: | SFORZA, CHIARELLA (Penultimo) LOVECCHIO, NICOLA (Ultimo) (Corresponding) |
| Parole Chiave: | BMI; inverted BMI; children; fat mass indicator; |
| Settore Scientifico Disciplinare: | Settore BIO/16 - Anatomia Umana Settore M-EDF/02 - Metodi e Didattiche delle Attivita' Sportive |
| Data di pubblicazione: | 3-apr-2020 |
| Rivista: | |
| Tipologia: | Article (author) |
| Data ahead of print / Data di stampa: | mar-2020 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1080/03014460.2020.1738551 |
| Appare nelle tipologie: | 01 - Articolo su periodico |
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