Sex and age correlations of reported and estimated physical fitness in adolescents

Lovro Štefan, Petar Paradžik and Goran Sporiš

PLOS ONE, 2019, vol. 14, issue 7, 1-9

Abstract: The main purpose of the study was to explore sex and age specific correlations between self-reported and estimated physical fitness. In this cross-sectional study, we recruited 1 036 secondary-school students (55.3% girls). Self-reported physical fitness was assessed on a 10-point scale, with a higher score indicating better physical fitness. We measured waist circumference, sit-ups in 1 minute, standing long jump and sit-and-reach test and calculated z-scores to obtain objective physical fitness index. Boys performed better in sit-ups in 1 minute and standing long jump tests and had higher waist circumference values. Girls performed better in sit-and-reach test. Overall, boys had higher physical fitness z-score values, compared to girls. Younger boys had better physical fitness perception (r1st grade = 0.61, p

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0219217

DOI: 10.1371/journal.pone.0219217

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