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Body composition parameters can better predict body size dissatisfaction than body mass index in children and adolescents.

Author(s): Dos Santos RRG, Forte GC, Mundstock E, Amaral MA, da Silveira CG, Amantéa FC, Variani JF, Booij L, Mattiello R

Eat Weight Disord. 2019 Jul 23;: Authors: Dos Santos RRG, Forte GC, Mundstock E, Amaral MA, da Silveira CG, Amantéa FC, Variani JF, Booij L, Mattiello R

Article GUID: 31338791
Title:Body composition parameters can better predict body size dissatisfaction than body mass index in children and adolescents.
Authors:Dos Santos RRG,  Forte GC,  Mundstock E,  Amaral MA,  da Silveira CG,  Amantéa FC,  Variani JF,  Booij L,  Mattiello R
Link:https://www.ncbi.nlm.nih.gov/pubmed/31338791?dopt=Abstract
DOI:10.1007/s40519-019-00750-4
Category:Eat Weight Disord
PMID:31338791
Dept Affiliation: PSYCHOLOGY
1 Programa de Pós-graduação em Pediatria e Saúde da Criança, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.
2 Secretaria de Educação Esporte e Lazer, Programa Esporte e Saúde em Canela(PESC), Prefeitura de Canela, Brazil.
3 Programa de Pós-graduação em Medicina e Ciências da Saúde da Pontifícia Universidade Católica do Rio Grande do Sul e Centro Universitário Ritter dos Reis-UniRitter, Porto Alegre, Brazil.
4 Faculdade de Nutrição, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
5 Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.
6 Department of Psychology, Concordia University & CHU Sainte-Justine, University of Montreal, Montreal, Canada.
7 Programa de Pós-graduação em Pediatria e Saúde da Criança, Pontifícia Universidade Católica do Rio Grande do Sul e Programa de Pós-graduação em Medicina e Ciências da Saúde, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Avenida Ipiranga 6690, second floor, Porto Alegre, RS, 90610-000, Brazil. rita.mattiello@pucrs.br.

Description:

Body composition parameters can better predict body size dissatisfaction than body mass index in children and adolescents.

Eat Weight Disord. 2019 Jul 23;:

Authors: Dos Santos RRG, Forte GC, Mundstock E, Amaral MA, da Silveira CG, Amantéa FC, Variani JF, Booij L, Mattiello R

Abstract

PURPOSE: Recent studies suggest that body mass index is not a reliable enough measurement for body composition in individuals, particularly in older and younger people. However, most research on body image has used the body mass index (BMI) as a physiological predictor of body satisfaction, particularly in children. The aim of this study was to investigate whether body composition is a better predictor of body size dissatisfaction in children than BMI.

METHODS: This is a cross-sectional study. Healthy children and adolescents aged 5-19 years, sex male and female, were recruited using a convenience sample in Brazil. BMI was measured according to the international standardization method and body composition was measured by bioelectrical impedance analysis (BIA) with a portable device model (BIA InBodyS10 multi-frequency, USA). Body size dissatisfaction was assessed using the Kakeshita's Figure Rating Scale for Brazilian Children. Data were analyzed with logistic regression analysis.

RESULTS: A total of 547 participants were evaluated, including 54% females and 67% Caucasian, with a mean age of 11.4?±?3.8 years. The mean BMI was 20.5?±?4.6 kg/m2, and the mean percentages of fat and lean mass were 23.01?±?10.59% and 72.84?±?10.03%, respectively. In the multivariable model, only body composition was significantly associated with body size dissatisfaction (odds ratio: 1.849 (1.085-3.149, p?=?0.024) and 1.828 (1.043-3.202, p?=?0.035), respectively).

CONCLUSIONS: Body composition measures can better predict body size dissatisfaction in children and adolescents than BMI. This result may be relevant for the design of future studies on physiological indicators and body satisfaction.

LEVEL OF EVIDENCE: Level V, cross-sectional study.

PMID: 31338791 [PubMed - as supplied by publisher]