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J Phys Act Health. 2012 Jan;9(1):86-95.

Maturity associated variance in physical activity and health-related quality of life in adolescent females: a mediated effects model.

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1
School for Health, University of Bath, Bath, UK.

Abstract

BACKGROUND:

This study tested a mediated effects model of psychological and behavioral adaptation to puberty within the context of physical activity (PA).

METHODS:

Biological maturity status, physical self-concept, PA, and health-related quality of life (HRQoL) were assessed in 222 female British year 7 to 9 pupils (mean age = 12.7 years, SD = .8).

RESULTS:

Structural equation modeling using maximum likelihood estimation and bootstrapping procedures supported the hypothesized model. Maturation status was inversely related to perceptions of sport competence, body attractiveness, and physical condition; and indirectly and inversely related to physical self-worth, PA, and HRQoL. Examination of the bootstrap-generated bias-corrected confidence intervals representing the direct and indirect paths between suggested that physical self-concept partially mediated the relations between maturity status and PA, and maturity status and HRQoL.

CONCLUSIONS:

Evidence supports the contention that perceptions of the physical self partially mediate relations maturity, PA, and HRQoL in adolescent females.

PMID:
22232510
[Indexed for MEDLINE]

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