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Vol. 90. Issue 1.
Pages 35-41 (January - February 2014)
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Vol. 90. Issue 1.
Pages 35-41 (January - February 2014)
ARTIGO ORIGINAL
Open Access
Physical activity in adolescents: analysis of social influence of parents and friends
Atividade física em adolescentes: análise da influência social de pais e amigos
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Luanna Alexandra Chenga,b, Gerfeson Mendonçaa,b, José Cazuza de Farias Júniora,b,c,
Corresponding author
jcazuzajr@hotmail.com

Corresponding author.
a Programa Associado de Pós‐graduação em Educação Física, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
b Grupo de Estudos e Pesquisas em Epidemiologia da Atividade Física, Universidade Federal da Paraíba, João Pessoa, Brasil
c Universidade Federal da Paraíba, João Pessoa, PB, Brasil
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Article information
Abstract
Objective

To analyze the association between physical activity and social support from parents and friends on the physical activity level among adolescents.

Methods

Data from 2,361 adolescents (56.6% females; mean age 16.4; SD = 1.2), from public and private high schools were analyzed. The physical activity level of the adolescents, parents, and friends were measured through a questionnaire. Parents’ and friends’ support and self‐efficacy were measured using two previously tested scales. Data analysis was performed usingthe structural equation modeling in IBM® SPSS® AmosTM 20.0.

Results

Physical activity of friends was directly associated with physical activity level of adolescents. Physical activity of the father was associated with their sons, and the physical activity of mother was associated with their daughters. An indirect association was identified between the physical activity of parents and friends with physical activity level of the adolescents, mediated by social support. Social support was directly associated with physical activity in adolescents of both genders and indirectly mediated by self‐efficacy.

Conclusions

Parents and friends have a social influence on adolescents’ level of physical activity through the mechanism of behavior modeling or through social support, mediated by self‐efficacy.

Keywords:
Motor activity
Adolescents
Parents
Friends
Social support
Resumo
Objetivo

Analisar a associação da prática de atividade física e do apoio social dos pais e dos amigos com o nível de atividade física dos adolescentes.

Métodos

Foram analisados dados de 2.361 adolescentes (56,6% do sexo feminino, média de idade = 16,4; DP = 1,2) do ensino médio de escolas públicas e privadas. A atividade física dos adolescentes, dos pais e dos amigos foi mensurada por questionário. O apoio social dos pais e dos amigos e a autoeficácia foram mensurados por duas escalas pre‐ viamente testadas. A modelagem por equações estruturais foi utilizada para análise dos dados, recorrendo‐se ao programa AMOS 20.0.

Resultados

A prática de atividade física dos amigos se associou diretamente ao nível de atividade física dos adolescentes, enquanto a prática do pai se associou diretamente com a do filho, a da mãe se associou com a da filha. Também foi identificada uma relação indireta entre a prática de atividade física dos pais e dos amigos e o nível de atividade física dos adolescentes, sendo parcialmente mediada pelo apoio social desses dois gru‐ pos. O apoio social dos pais e dos amigos se associou direta e indiretamente, mediada pela percepção de autoeficácia, com o nível de atividade física dos adolescentes.

Conclusões

: Pais e amigos exercem influência social sobre a prática de atividade física dos adolescentes por meio da modelação do comportamento e do fornecimento de apoio social.

Palavras‐chave:
Atividade motora
Adolescentes
Pais
Amigos
Apoio social
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Como citar este artigo: Cheng LA, Mendonça G, Farias Júnior JC. Physical activity in adolescents: analysis of the social influence of parents and friends. J Pediatr (Rio J). 2014;90:35‐41.

Copyright © 2013. Brasileira de Pediatria
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