Biological maturity and primary school children's physical activity : influence of different physical activity assessment instruments
Fairclough, Stuart J., Boddy, Lynne M., Ridgers, Nicola D., Stratton, Gareth and Cumming, Sean 2011, Biological maturity and primary school children's physical activity : influence of different physical activity assessment instruments, European journal of sport science, vol. 11, no. 4, pp. 241-248.
Biological maturation may attenuate hypothesized sex differences in children’s physical activity but overall the evidence for this is equivocal. In this study, we investigated how the selection of different physical activity assessment instruments affects the detected relationship between biological maturation and late primary school children’s physical activity. Altogether, 175 children (97 girls, 78 boys) aged 10.690.3 years completed the PAQ-C self-report questionnaire and wore ActiGraph GT1M accelerometers for 5 consecutive days. Maturity status was predicted by estimating attainment of age at peak height velocity. Following initial exploration of sex differences in PAQ-C (t-test) and multiple ActiGraph outcome variables (MANOVA), the influence of maturity status was controlled using ANCOVA and MANCOVA. Unadjusted analyses revealed that boys were significantly more active than girls according to the PAQ-C (PB0.0001, d0.52) and ActiGraph (PB0.0001, d0.360.72). After controlling for maturity status, the differences in PAQ-C scores increased (P0.001, d0.64), but the significant differences disappeared for the ActiGraph data (P0.36, d0.170.33). The detected relationship between maturity status and late primary school children’s physical activity is dependent on the physical activity assessment tool employed, reflecting the different aspects of physical activity captured by the respective measures.
Field of Research
119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective
920499 Public Health (excl. Specific Population Health) not elsewhere classified
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