Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/9306
Title: Description and evaluation of a social cognitive model of physical activity behaviour tailored for adolescent girls
Contributor(s): Lubans, David R (author); Okely, Anthony D (author); Morgan, Phillip J (author); Cotton, Wayne (author); Puglisi, Lauren (author); Miller, Judith A  (author)orcid 
Publication Date: 2012
Open Access: Yes
DOI: 10.1093/her/cyr039Open Access Link
Handle Link: https://hdl.handle.net/1959.11/9306
Abstract: The aim of this paper was to describe and test a social cognitive model of physical activity tailored for adolescent girls. Participants were 1518 girls (aged 13.6 ± 0.02 years) from 24 secondary schools in New South Wales, Australia. Useable accelerometer (≥10 hours day⁻¹ on at least 3 days) and questionnaire data were obtained from 68% of this sample (N = 1035). Participants completed questionnaires assessing psychological, behavioural, social and environmental correlates of activity. The theoretical model was tested using structural equation modelling in AMOS. The model explaining accelerometer counts per minute was an adequate-to-good fit to the data (Tucker-Lewis Index = 0.89, the comparative fit index = 0.97 and the root mean square of approximation = 0.098; 90% confidence interval = 0.075-0.122) but explained only 5% of the variance in activity. There were significant model pathways from self-efficacy (r = 0.11, P = 0.01), school environment (r = 0.07, P = 0.02) and physical self-worth (r = 0.07, P = 0.04) to accelerometer counts. Although the proposed model provided an adequate-to-good fit to the data, it explained a small portion of the variance. Shared method variance may explain the larger portions of variance explained in previous studies. Future studies are encouraged to evaluate theories of physical activity behaviour change using objective measures of physical activity.
Publication Type: Journal Article
Source of Publication: Health Education Research, 27(1), p. 115-128
Publisher: Oxford University Press
Place of Publication: United Kingdom
ISSN: 1465-3648
0268-1153
Fields of Research (FoR) 2008: 139999 Education not elsewhere classified
Fields of Research (FoR) 2020: 399999 Other education not elsewhere classified
Socio-Economic Objective (SEO) 2008: 920507 Womens Health
Socio-Economic Objective (SEO) 2020: 200509 Women's and maternal health
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article

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