Explaining the effect of a 1-year intervention promoting physical activity in middle schools
A mediation analysis
Bibliographic Data
| ID | 15090813 |
|---|---|
| Authors | Leen Haerens (0000-0001-5715-9520, Ghent University), E Cerin (0000-0002-7599-165X, University of Hong Kong), Leen Maes (0000-0001-6090-5512, Ghent University), Greet Cardon (0000-0003-4983-6557, Ghent University Hospital), Benedicte Deforche (0000-0002-1064-0525, Ghent University Hospital), Ilse De Bourdeaudhuij (0000-0001-9969-7597, Ghent University Hospital, corresponding author) |
| Year | 2008 |
| Volume | 11 |
| Issue | 5 |
| Pages | 501-512 |
| Publication date | 2008-05-01 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Public Health Nutrition (JOURNAL) |
| Journal identifiers | ISSN: 1368-9800 • E-ISSN: 1475-2727 |
| Publisher | Cambridge University Press (CUP) (PUBLISHER) |
| DOI | 10.1017/s136898000700078x |
| PMID | 17803839 |
| OpenAlex | W2047828693 |
| Language | EN |
| Citations received | 17 |
| References cited | 33 |
Objective The aim of the present study was to examine the mediation effects of changes in psychosocial determinants of physical activity (attitude, social support, self-efficacy, perceived benefits and barriers) on changes in physical activity. Design One-year intervention study with baseline and 1-year post measures of physical activity habits and psychosocial correlates. Setting Fifteen middle schools. Subjects Boys and girls ( n = 2840) aged 11–15 years completed the validated questionnaires during class hours. Results The product-of-coefficients test was used to asses the mediating effects. Self-efficacy for physical activity at school was found to be the only significant mediator of physical activity change. Specifically, self-efficacy for physical activity at school partly mediated the effect of the intervention on total and school-related physical activity change in the intervention group with parental support ( P Conclusions Positive changes in total and school-related physical activity in adolescents could be partly explained by increases in self-efficacy for physical activity at school through a physical activity intervention in middle schools with parental support. However, the suppressor effect of attitudes decreased this effect. As this is one of the first true mediation analyses in this age group, further research is needed to replicate the importance of these mediators
Developmental psychology · Intervention (counseling · Mediation · Physical activity · Physical therapy · Psychiatry · Psychosocial · Self-efficacy · Social support · Behavioral Health and Interventions · Clinical Psychology · Medicine · Obesity, Physical Activity, Diet · Physical Activity and Health · Psychology · Social Psychology
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| Citations per year | 0.94 |
|---|---|
| Citation span | 2008 - 2021 (14) |
| Highly cited | No |