Longitudinal changes in physical self-perceptions and associations with physical activity during adolescence

Inchley, J. , Kirby, J. and Currie, C. (2011) Longitudinal changes in physical self-perceptions and associations with physical activity during adolescence. Pediatric Exercise Science, 23(2), pp. 237-249. (doi: 10.1123/pes.23.2.237) (PMID:21633136)

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Abstract

The purpose of this study was to examine adolescents' physical self-perceptions and their associations with physical activity using a longitudinal perspective. Utilizing data from the Physical Activity in Scottish Schoolchildren (PASS) study, changes in exercise self-efficacy, perceived competence, global self-esteem and physical self-worth were assessed among a sample of 641 Scottish adolescents from age 11-15 years. Girls reported lower levels of perceived competence, self-esteem and physical self-worth than boys at each age. Furthermore, girls' physical self-perceptions decreased markedly over time. Among boys, only perceived competence decreased, while global self-esteem increased. Baseline physical activity was a significant predictor of later activity levels for both genders. Findings demonstrate the importance of physical self-perceptions in relation to physical activity behavior among adolescents. Among older boys, high perceived competence increased the odds of being active by 3.8 times. Among older girls, high exercise self-efficacy increased the odds of being active by 5.2 times. There is a need for early interventions which promote increased physical literacy and confidence, particularly among girls.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Inchley, Dr Joanna
Authors: Inchley, J., Kirby, J., and Currie, C.
College/School:College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > MRC/CSO SPHSU
Journal Name:Pediatric Exercise Science
Publisher:Human Kinetics
ISSN:0899-8493
ISSN (Online):1543-2920

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