Valter Pn Miranda1, Paulo Roberto S Amorim2, Ronaldo R Bastos3, Vitor Gb Souza1, Eliane R Faria4, Sylvia Cc Franceschini5, Paula C Teixeira6, Núbia de S de Morais5, Silvia E Priore5. 1. Department of Physical Education, Biological Sciences Center, Federal University of Viçosa, Viçosa, MG CEP 36570-900, Brazil. 2. Department of Physical Education, Human Performance Laboratory (LAPEH), Federal University of Viçosa, Viçosa, MG CEP 36570-900, Brazil. 3. Geo-referenced Information Laboratory (LINGE), Department of Statistics (DE), Institute of Exact Sciences of the Federal University of Juiz de Fora, Juiz de Fora, MG CEP 36036-900, Brazil. 4. Department of Nutrition, Biological Sciences Institute, Federal University of Juiz de Fora, Juiz de Fora, MG CEP 36036-900, Brazil. 5. Department of Nutrition and Health, Biological Sciences Center, Federal University of Viçosa, Viçosa, MG CEP 36570-900, Brazil. 6. Ambulatory of Eating Disorders (AMBULIM), Psychiatry Institute of Faculty of Medicine, Department of Medicine, University of São Paulo, São Paulo CEP 05403-010, Brazil.
Abstract
OBJECTIVE: To investigate the association between body image disorders and the lifestyle and body composition of female adolescents. DESIGN: Cross-sectional study. SETTING: The Body Shape Questionnaire (BSQ) and Silhouette Scale and Sociocultural Attitudes Towards Appearance Questionnaire-3 were used to evaluate the participants' body image. Body composition was evaluated by a Dual-Energy X-ray Absorptiometry equipment, and lifestyles were identified by latent class analysis (LCA) using the poLCA package for R. PARTICIPANTS: Female adolescents aged 14-19 years old, in the city of Viçosa-MG, Brazil. RESULTS: In total, 405 girls participated in the study. Almost half of the participants were dissatisfied with their current physical appearance (51·4 %), presented body perception distortions (52·9 %). 47·3 % of the adolescents were dissatisfied with their body according to the BSQ, and another 8 % severely so. Subjects with an 'Inactive and Sedentary' latent lifestyle were 1·71 times as likely to feel dissatisfied as those with active and sedentary or inactive and non-sedentary lifestyles (95 % CI 1·08, 2·90, P = 0·047). Body image disorders showed an association with decreased amounts of moderate and vigorous physical activity, high screen time, increased alcohol consumption and excess body fat. CONCLUSIONS: Particular patterns of lifestyle and body composition seem to be associated in female adolescents with dissatisfaction with, distortion of and excessive concern about appearance. Specifically, physical inactivity, sedentary behaviour, alcohol consumption and high body fat percentage may be strongly linked to body image disorders.
OBJECTIVE: To investigate the association between body image disorders and the lifestyle and body composition of female adolescents. DESIGN: Cross-sectional study. SETTING: The Body Shape Questionnaire (BSQ) and Silhouette Scale and Sociocultural Attitudes Towards Appearance Questionnaire-3 were used to evaluate the participants' body image. Body composition was evaluated by a Dual-Energy X-ray Absorptiometry equipment, and lifestyles were identified by latent class analysis (LCA) using the poLCA package for R. PARTICIPANTS: Female adolescents aged 14-19 years old, in the city of Viçosa-MG, Brazil. RESULTS: In total, 405 girls participated in the study. Almost half of the participants were dissatisfied with their current physical appearance (51·4 %), presented body perception distortions (52·9 %). 47·3 % of the adolescents were dissatisfied with their body according to the BSQ, and another 8 % severely so. Subjects with an 'Inactive and Sedentary' latent lifestyle were 1·71 times as likely to feel dissatisfied as those with active and sedentary or inactive and non-sedentary lifestyles (95 % CI 1·08, 2·90, P = 0·047). Body image disorders showed an association with decreased amounts of moderate and vigorous physical activity, high screen time, increased alcohol consumption and excess body fat. CONCLUSIONS: Particular patterns of lifestyle and body composition seem to be associated in female adolescents with dissatisfaction with, distortion of and excessive concern about appearance. Specifically, physical inactivity, sedentary behaviour, alcohol consumption and high body fat percentage may be strongly linked to body image disorders.
Entities:
Keywords:
Adolescents; Body image; Latent class analysis; Lifestyle; Public health
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