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标题：Is city of residence a factor differentiating sitting time in adolescents?
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作者：Roberval Pizano ; Christianne de Faria Coelho Ravagnani ; Robert Weaver 等
期刊名称：Revista Brasileira de Atividade Física e Saúde
印刷版ISSN：1413-3482
电子版ISSN：2317-1634
出版年度：2018
卷号：23
页码：1-9
DOI：10.12820/rbafs.23e0004
出版社：Sociedade Brasileira de Atividade Física & Saúde
摘要：O objetivo deste estudo de cunho transversal foi examinar a associação entre cidades de residência e outros fatores relacionados ao tempo sentado em adolescentes. Estudantes (n = 1.089), com idades entre os 14 e 18 anos, responderam a questionários sobre tempo sentado, percepção da aptidão física geral, participação em educação física e participação em esportes, estrato socioeconômico e educação do responsável da família nos municípios de Botucatu (SP), Cáceres (MT) e São Paulo (SP). A escolha dos municípios ocorreu por conveniência e a seleção das escolas e alunos foi realizada de forma randômica. Modelos de regressão linear mista de multiníveis foram utilizados para estimar a relação entre as variáveis independentes e a quantidade de minutos sentados (min/dia) durante a semana e nos dias ao final de semana. Os modelos hierárquicos foram estimados para explicar a natureza aninhada do aluno dentro das escolas. Com relação às cidades de residência, não houve associação com o tempo sentado durante a semana (São Paulo, β = 36,87, IC: 25,6; 233,62 e Cáceres, β = 66,94, IC: 22,1; 156,01) e no nal de semana (São Paulo, β = 104,01, IC: 64,5; 138,20 e Cáceres, β = 90,23, IC: 33,2; 213,64), quando comparados a Botucatu. Os indicadores socioeconômicos foram relacionados ao tempo sentado de diferentes maneiras, considerando a semana ou o fim de semana. Estudantes que tinham responsável com nível educacional mais alto tiveram mais tempo sentados durante a semana. Nos finais de semana, estudantes com melhor estrato socioeconômico apresentaram menos tempo sentados. Adolescentes com percepção muito boa de aptidão física geral tiveram -65,29 minutos de tempo sentado no dia da semana e -70,1 minutos de tempo sentado no fim de semana. No presente estudo, a cidade de residência não teve relação ao tempo sentado em adolescentes, no entanto, outros fatores, como gênero, estrato socioeconômico e status educacional, participação em esportes e educação física e percepções de aptidão física foram relacionados ao tempo sentado.
其他摘要：The aim of this cross-sectional study was to examine the association between city of residence and other factors related to sitting time in adolescents. Students (n = 1,089), between 14 and 18 years, completed self-reported questionnaires to collect data about sitting time, general fitness, physical education and sport participation, socio-economic stratum and householder ́s education in Botucatu (SP), Cáceres (MT) and São Paulo (SP). The choice of municipalities occurred for convenience and the selection of schools and students was performed randomly. Multi-level mixed linear regression models were used to estimate the relationship between the independent variables and sitting time (min.day-1) during weekdays and weekend days. Hierarchal models were estimated to account for the nested nature of student within schools. Regarding cities of residence, there was no association with sitting time on both weekday (São Paulo, β = 36.87, CI: 25.6; 233.62 and Cáceres, β = 66.94, CI: 22.1; 156.01) and weekend (São Paulo, β = 104.01, CI: 64.5;138.20 and Cáceres, β = 90.23, CI: 33.2; 213.64), when compared to Botucatu. Socio economic indicators were related to sitting time in different ways considering week or weekend. Students with higher householder education degrees had more sitting time on weekdays. On weekend students in higher levels of socioeconomic stratum presented less sitting time. Adolescents with very good perception of general fitness had -65.29 minutes of sitting time on weekday and -70.1 minutes of sitting time on weekend. In the present study, city of residence was not related to sitting time in adolescents. However, other factors such as gender, socioeconomic stratum and educational status, participation in sports and physical education and perceptions of fitness were related to students sitting time.
关键词：Physical fitness;Adolescents;Sedentary lifestyle