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Body image dissatisfaction and its relationship with physical activity and body mass index in Brazilian adolescents

Objective: To evaluate body image dissatisfaction and its relationship with physical activity and body mass index in a Brazilian sample of adolescents. Methods: A total of 275 adolescents (139 boys and 136 girls) between the ages of 14 and 18 years completed measures of body image dissatisfaction th...

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Bibliographic Details
Published in:Jornal Brasileiro de Psiquiatria 2011, Vol.60 (4), p.315-320
Main Authors: Laus, Maria F., Costa, Telma M. Braga, Almeida, Sebastião S.
Format: Article
Language:English
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Summary:Objective: To evaluate body image dissatisfaction and its relationship with physical activity and body mass index in a Brazilian sample of adolescents. Methods: A total of 275 adolescents (139 boys and 136 girls) between the ages of 14 and 18 years completed measures of body image dissatisfaction through the Contour Drawing Scale and current physical activity by the International Physical Activity Questionnaire. Weight and height were also measured for subsequent calculation of body mass index. Results: Boys and girls differed significantly regarding body image dissatisfaction, with girls reporting higher levels of dissatisfaction. Underweight and eutrophic boys preferred to be heavier, while those overweight preferred be thinner and, in contrast, girls desired to be thinner even when they are of normal weight. Conclusion: Body image dissatisfaction was strictly related to body mass index, but not to physical activity. Objetivo: Investigar a insatisfação com a imagem corporal e sua relação com atividade física e índice de massa corporal em adolescentes brasileiros. Métodos: Participaram do estudo 275 adolescentes (139 meninos e 136 meninas) com idade entre 14 e 18 anos. A coleta de dados consistiu na tomada de medidas de peso e altura, seguida pela aplicação da Escala de Figuras de Silhuetas e do Questionário Internacional de Atividade Física. Resultados: As meninas apresentaram índices significativamente maiores de insatisfação com a imagem corporal. Meninos eutróficos e com baixo peso relataram o desejo de pesar mais, enquanto meninos acima do peso gostariam de pesar menos. Em contrapartida, as meninas desejam ser mais magras, mesmo quando estão com peso normal. Conclusão: A insatisfação com a imagem corporal foi estritamente relacionada ao índice de massa corporal, mas não manteve relação com a prática de atividade física.
ISSN:0047-2085
1982-0208
0047-2085
DOI:10.1590/S0047-20852011000400013