ArticleRevista paulista de pediatria : orgao oficial da Sociedade de Pediatria de Sao Paulo2021
Reliability, validity and internal consistency of social support and self-efficacy scales for physical activity in adolescents with 10 to 14 years of age.
Article in Revista paulista de pediatria : orgao oficial da Sociedade de Pediatria de Sao Paulo, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Instruments for evaluating parental support for the practice of physical activity in children and adolescents: A scoping review.Revista paulista de pediatria : orgao oficial da Sociedade de Pediatria de Sao Paulo · 2024Article
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4 authors.
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Abstract
objectiveTo analyze the reliability, validity and internal consistency of the physical activity social support (SSS) and self-efficacy (SES) scales among adolescents aged 10-14 years.
methodsThe reliability study included 171 adolescents (mean age=12.3±1.0 years, 59.6% female) and validity and consistency study with 1,107 (mean age=12.0±1.0 years, 52.7% female). The SSS had 15 items and the SES eight items. Reliability was determined by Spearman's correlation analysis (rho) and validity and internal consistency by factor analysis (exploratory - EFA and confirmatory - CFA) and the composite reliability (CR), respectively.
resultsThe reliability of SSS (father: rho=0.80; p<0.001 | mother: rho=0.76; p<0.001 | friends: rho=0.75; p<0.001) and SES (rho=0.72; p<0.001) were considered high. In the EFA, three factors were identified for the SSS (father, mother and friends - five items each) and one factor for SES (five items), confirmed in the CFA. Quality parameters of adjustment in the final models were satisfactory for SSS (chi-square=240.5 [p<0.001]; root mean square residual - RMR=0.05; root mean square error of approximation - RMSEA=0.04 [90%CI 0.04-0.05]; goodness of fit index - GFI=0.97; adjusted goodness of fit index - AGFI=0.96 and comparative fit index - CFI=0.97) and SES (chi-square=5.4 [p=0.07]; RMR=0.01; RMSEA=0.04 [90%CI 0.00-0.08]; GFI=0.99; AGFI=0.99 and CFI=0.97). Internal consistency was considered satisfactory for SSS (CR: father=0.79, mother=0.77, friends=0.78) and low for SES (CR=0.38).
conclusionsThe scales showed satisfactory levels of reliability and of construct validity. However, only the SSS showed adequate levels of internal consistency.
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