Physical activity and associated factors in high-school adolescents in Southern Brazil

• Autor(a) principal: Fermino, Rogério César
• Data de Publicação: 2010
• Outros Autores: Rech, Cassiano Ricardo, Hino, Adriano Akira Ferreira, Rodriguez Añez, Ciro Romelio, Reis, Rodrigo Siqueira
• Tipo de documento: Artigo
• Idioma: por; eng
• Título da fonte: Revista de Saúde Pública
• Texto Completo: https://www.revistas.usp.br/rsp/article/view/32855
• topic: Adolescente; Atividade Motora; Fatores Socioeconômicos; Estudos Transversais; Adolescente; Actividad Motora; Factores Socioeconómicos; Estúdios Transversales; Adolescent; Motor Activity; Socioeconomic Factors; Cross-Sectional Studies

OBJECTIVE: To estimate the prevalence of physical activity in adolescents and to identify associated factors. METHODS: A cross-sectional study was conducted with a representative sample (n=1,518, 59.2% females) of students aged between 14 and 18 years, enrolled in the public school network of the city of Curitiba, Southern Brazil, in 2006. Physical activity practice was self-reported, according to the number of days per week when they perform moderate to vigorous physical activity lasting &gt; 60 minutes. This practice was analyzed in two distinct models. In the first model, the variable was dichotomized into "0 day" and "&gt; 1 day"; in the second, into "< 4 days" and "&gt; 5 days". Independent variables were as follows: biological-demographic (sex, age, body mass index); socioeconomic (parents' level of education, number of cars); behavioral (number of hours spent watching television, number of hours spent using a computer); and sociocultural (social support from family and friends and the perception of barriers to the practice of activities), tested with Poisson regression. RESULTS: In the first model of analysis, the prevalence of physical activity was 58.2% (75.1% in males; 46.5% in females; p