2017
DOI: 10.5007/1980-0037.2017v19n3p270
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Abstract: -The aim of the study was to evaluate the reproducibility and concurrent validity of the Physical Activity Questionnaire for Adolescents (QAFA). The reproducibility study (repeated evaluations with two-day interval between them) included 171 adolescents (average age 12.3 years, SD = 1.1), and the validity study (reference method: "Actgraph GT3X" accelerometer) included 341 adolescents (average age 11.9 years, SD = 1.0). All participants were students enrolled in public schools of Joao Pessoa (PB), Brazil. The … Show more

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Cited by 5 publications
(1 citation statement)
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“…Physical activity was measured using the Adolescent Physical Activity Questionnaire (Questionário de Atividade Física de Adolescente -QAFA) 20 (reproducibility -intraclass correlation coefficient [ICC]=0.73; p<0.001; validity -Spearman correlation=0.37; p<0.001). The adolescents reported the frequency (days/week) and duration (minutes/ day) of their moderate to vigorous intensity physical activities for at least ten minutes, in the week before data collection.…”
Section: Methodsmentioning
confidence: 99%
“…Physical activity was measured using the Adolescent Physical Activity Questionnaire (Questionário de Atividade Física de Adolescente -QAFA) 20 (reproducibility -intraclass correlation coefficient [ICC]=0.73; p<0.001; validity -Spearman correlation=0.37; p<0.001). The adolescents reported the frequency (days/week) and duration (minutes/ day) of their moderate to vigorous intensity physical activities for at least ten minutes, in the week before data collection.…”
Section: Methodsmentioning
confidence: 99%