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Revista Brasileira de Cineantropometria & Desempenho Humano

On-line version ISSN 1980-0037

Abstract

SILVA, Diego Augusto Santos et al. Changes in health-related behaviors and their effect on dissatisfaction with body weight in youths. Rev. bras. cineantropom. desempenho hum. [online]. 2014, vol.16, suppl.1, pp.79-90. ISSN 1980-0037.  http://dx.doi.org/10.5007/1980-0037.2014v16s1p79.

The aim of the present study was to establish whether changes in health-related behaviors are associated with changes in the satisfaction/dissatisfaction with body weight in youths. It was a prospective study that performed a secondary analysis of data from Project "Saúde na Boa", which included youths attending night classes in secondary public schools in Recife in the state of Pernambuco and Florianópolis in the state of Santa Catarina. Data on the youths' body type (thinness or excess weight) and degree of satisfaction/dissatisfaction with body weight and lifestyle (level of physical activity, participation in physical education classes, sedentary behavior and snacks, soda and alcohol intake) were collected at 10 schools from each town (five in the intervention group and five in the control group). The percentages of youths dissatisfied with their body weight were 50.5% and 48.6% at baseline and after intervention, respectively. The percentage of youths with body dissatisfaction due to thinness decreased (21.4% vs. 16.5%), while the percentage of youths with body dissatisfaction due to excess weight increased (29.1% vs. 32.1%). Approximately 41.2% of the youths with body dissatisfaction due to thinness and 18.3% of those dissatisfied due to excess weight became satisfied with their body weight after intervention. The intervention targeting health-related behaviors induced changes in the youths' degree of satisfaction with their body weight.

Keywords : Body image; Interventional studies; Healthy behaviors; Youths.

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