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. 2014 Apr;48(2):266-74.
doi: 10.1590/s0034-8910.2014048004635.

Prevalence and factors associated with sedentary behavior in adolescents

[Article in English, Portuguese]
Paula Jaudy Pedroso Dias  1 , Isabela Prado Domingos  1 , Márcia Gonçalves Ferreira  1 , Ana Paula Muraro  2 , Rosely Sichieri  3 , Regina Maria Veras Gonçalves-Silva  1
Affiliations

Prevalence and factors associated with sedentary behavior in adolescents

[Article in English, Portuguese]
Paula Jaudy Pedroso Dias et al. Rev Saude Publica. 2014 Apr.

Abstract

Objective: To analyze the prevalence of sedentary behavior and associated factors in adolescents.

Methods: A cross-sectional study with adolescents aged 10 to 17 years, of both sexes, belonging to a 1994-1999 birth cohort in the city of Cuiabá, MT, Central Western Brazil. Data were collected using a questionnaire containing sociodemographic, economic, lifestyle and anthropometric variables. Sedentary behavior was determined as using television and/or computer/video games for a time greater than or equal to 4 hours/day. Associations with sedentary behavior were evaluated using body mass index in childhood and adolescence and sociodemographic and behavioral variables using hierarchical logistic regression.

Results: The overall prevalence of sedentary behavior was 58.1%. Of the 1,716 adolescents evaluated, 50.7% (n = 870) were male. In multivariate analysis, after adjustment for confounding factors, the variables that remained associated with sedentary behavior were: age (14 and over) (OR = 3.51, 95%CI 2.19;5.60); higher socioeconomic class (OR = 3.83, 95%CI 2.10;7.01), higher level of maternal education (OR = 1.81, 95%CI 1.09;3.01); living in the country (OR = 0.49, 95%CI 0.30;0.81); insufficient physical activity (OR = 1.25, 95%CI 1.02;1.53); experimentation with alcoholic beverages (OR = 1.34, 95%CI 1.08;1.66) and being overweight in adolescence (OR = 1.33, 95%CI 1.06;1.68).

Conclusions: The high proportion of adolescents in sedentary activities and the lack of association with being overweight in childhood, indicates the need for educational initiatives to reduce multiple risk behaviors. Encouraging physical activity in young people as a way of reducing sedentary behavior and, consequently, being overweight is fundamental.

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Conflict of interest statement

The authors declare that there is no conflict of interest.

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