Voltar
Artigo Acesso aberto Produção Nacional Revisado por pares
BIBTEX RIS

Reliability and Validity of a Questionnaire for Physical Activity Assessment in South American Children and Adolescents: The SAYCARE Study

2018; Wiley; Volume: 26; Issue: S1 Linguagem: Inglês

10.1002/oby.22116

ISSN

1930-739X

Autores

Marcus Vinícius Nascimento‐Ferreira, Augusto César Ferreira de Moraes, Paulo Vinícius Toazza‐Oliveira, C. L. M. Forjaz, Juan Carlos Aristizábal, Alba M. Santaliesra‐Pasías, Candela Lepera, Walter Viana Nascimento‐Junior, Estela Skapino, Carlos Delgado, Luís A. Moreno, Heráclito Barbosa Carvalho,

Tópico(s)

Physical Activity and Health

Resumo

Objective The objective of this article is to test the reliability and validity of the new and innovative physical activity (PA) questionnaire. Methods Subsamples from the South American Youth/Child Cardiovascular and Environment Study (SAYCARE) study were included to examine its reliability (children: n = 161; adolescents: n = 177) and validity (children: n = 82; adolescents: n = 60). The questionnaire consists of three dimensions of PA (leisure, active commuting, and school) performed during the last week. To assess its validity, the subjects wore accelerometers for at least 3 days and 8 h/d (at least one weekend day). The reliability was analyzed by correlation coefficients. In addition, Bland‐Altman analysis and a multilevel regression were applied to estimate the measurement bias, limits of agreement, and influence of contextual variables. Results In children, the questionnaire showed consistent reliability (ρ = 0.56) and moderate validity (ρ = 0.46), and the contextual variable variance explained 43.0% with −22.9 min/d bias. In adolescents, the reliability was higher (ρ = 0.76) and the validity was almost excellent (ρ = 0.88), with 66.7% of the variance explained by city level with 16.0 min/d PA bias. Conclusions The SAYCARE PA questionnaire shows acceptable (in children) to strong (in adolescents) reliability and strong validity in the measurement of PA in the pediatric population from low‐ to middle‐income countries.

Referência(s)