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Revista Brasileira de Cineantropometria & Desempenho Humano

Print version ISSN 1415-8426On-line version ISSN 1980-0037

Abstract

SABINO, Bebiana Catarina Rodrigues; ALMEIDA, Maria João Correia de Araújo  and  FONSECA, António Manuel Leal Ferreira Mendonça da. Validity and Reliability of the Portuguese school physical activity environment questionnaire in adolescents. Rev. bras. cineantropom. desempenho hum. [online]. 2019, vol.21, e54395.  Epub May 30, 2019. ISSN 1980-0037.  https://doi.org/10.5007/1980-0037.2019v21e54395.

The aim of this study is to analyze the psychometric properties and to examine the factorial validity of the Portuguese version of the Questionnaire Assessing School Physical Activity Environment (Q-SPACE) for school-age youth. The translated and adapted version of the questionnaire was applied and resulted in two studies: study I, in which 504 students participated (56% boys), the factorial structure of the scale was examined; in study II, which involved 501 students (53.5% boys), the factorial structure obtained in study I was tested through confirmatory factor analysis. The results of the exploratory factorial analysis, carried out in study I, showed that the Portuguese version of the Q-SPACE is composed of five factors that characterize the students’ perception regarding the social and physical school environment for physical activity: equipment and space conditions; recess; school social support; physical education structure; school activity offer. Internal consistency values ranged from 0.60 to 0.89. The confirmatory factor analysis confirmed the applicability of the Portuguese Q-SPACE version, presenting adequate fit indexes: χ2/df = 2.90, GFI = 0.92; CFI = 0.92; RMSEA = 0.06. In conclusion, Q-SPACE showed acceptable validity and reliability for assessing school physical activity environment in Portuguese adolescents.

Keywords : Adolescent; Environment; Exercise; School health; Validity of test.

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