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Watson, PM, McKinnon, A, Santino, N, Bassett-Gunter, RL, Calleja, M and Josse, AR (2021) Integrating needs-supportive delivery into a laboratory-based randomised controlled trial for adolescent girls with overweight and obesity: Theoretical underpinning and 12-week psychological outcomes. Journal of Sports Sciences. ISSN 1466-447X
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Integrating needs-supportive delivery into a laboratory-based randomised controlled trial for adolescent girls with overweight and obesity.pdf - Published Version Available under License Creative Commons Attribution. Download (790kB) | Preview |
Abstract
When designing efficacy trials, researchers have a responsibility to "do no harm" and to "do good". Given the psychological vulnerability of adolescent girls with overweight and obesity, it is important to consider the implications of participating in weight-related research studies. We investigated psychological outcomes from a 12-week laboratory-based randomised controlled trial aimed at improving body composition and bone health in adolescent girls with overweight and obesity. Sixty-three participants were randomised to three groups (Recommended dairy diet plus exercise (RDa, n = 24); Low dairy diet plus exercise (LDa, n = 25); no-intervention control (n = 14)). Self-Determination Theory-informed strategies were applied in both intervention groups to foster motivation and enhance psychological wellbeing. Motivation, perceived competence and self-perceptions were measured at 0 and 12 weeks. Fifty-four participants (24 RDa, 23 LDa, 7 Control) provided complete psychological data. There were no between group differences in 0- to 12-week change in motivation, perceived competence or global self-worth. Both intervention groups showed significant improvements in physical self-worth (p = 0.001), body satisfaction (p = 0.002) and perceived physical conditioning (p = 0.002), compared with the control group. A theory-informed, laboratory-based diet and exercise intervention produced favourable psychological outcomes for adolescent girls with overweight and obesity.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | 1106 Human Movement and Sports Sciences, 1302 Curriculum and Pedagogy |
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology R Medicine > RC Internal medicine > RC1200 Sports Medicine |
| Divisions: | Sport & Exercise Sciences |
| Publisher: | Taylor & Francis |
| Related URLs: | |
| Date Deposited: | 12 Jul 2021 11:16 |
| Last Modified: | 04 Sep 2021 05:14 |
| DOI or ID number: | 10.1080/02640414.2021.1939948 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/15275 |
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