Effects of a Novel School-Based Cross-Curricular Physical Activity Intervention on Cardiovascular Disease Risk Factors in 11- to 14-Year-Olds: The Activity Knowledge Circuit
Abstract
Purpose.: This study investigates cardiovascular disease risk factor response in adolescents following introduction of brisk walking into curriculum lessons. Design.: Quasi-experimental. Setting.: School-based. Subjects.: An intervention group consisted of 115 (aged 12.4 ± 0.5 y) year eight participants, and 77 (aged 12.1 ± 1.1 y) year seven and year nine participants formed a control. Intervention.: An 18-week cross-curricular physical activity intervention was implemented in one secondary school. Measures.: Adiposity variables, blood pressure, lipids, lipoproteins, glucose, insulin, high-sensitivity C-reactive protein, high-molecular-weight adiponectin, aerobic fitness, physical activity behavior, and diet were assessed preintervention and postintervention. Analysis.: Dependent and independent t-tests. Results.: Prevalence of elevated waist circumference (9.8% vs. 6.9%), systolic blood pressure (3.3% vs. 0%), triglycerides (2.5% vs. 1.2%), and reduced high density lipoprotein cholesterol (3.7% vs. 2.7%) decreased in the intervention group. Significant improvements in high density lipoprotein cholesterol to total cholesterol ratio (mean ± SD: 2% ± 4% [confidence interval (CI) 0.05 = 1% to 2%], t 80 = −3.5, p = .001) and glucose (−.1 ± .4 mmol/L [CI 0.05 = −.2% to 0%], t 79 = 3.2, p = .002) were evident for the intervention group. Conclusion.: The Activity Knowledge Circuit may prove to be a sustainable, effective, and cost-effective strategy to engage schoolchildren in physical activity on a daily basis. A longer-duration intervention is required to fully understand risk factor response in adolescents.
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Studies deemed of low quality tended to be small pilot designs, which did not adopt randomisation or where complete outcome data was not reported.
“Studies deemed of low quality tended to be small pilot designs, which did not adopt randomisation (e.g. 27) or where complete outcome data was not reported (e.g. 28).”
From The school environment and adolescent physical activity and sedentary behaviour: a mixed-studies systematic review (2016) · cites this paper as [27]
Only one experimental study included wider health-related outcomes beyond anthropometry.
“Furthermore, only one experimental study included wider health‐related outcomes (beyond anthropometry) 27.”
From The school environment and adolescent physical activity and sedentary behaviour: a mixed-studies systematic review (2016) · cites this paper as [27]
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- Authors
- Knox, G. J., Baker, J. S., Davies, B., Rees, A., Morgan, K., Cooper, S.-M., Brophy, S., & Thomas, N. E.
- Affiliations
- Cardiff Metropolitan University (GB)
- University of Glamorgan (GB)
- University of Wales (GB)
- Swansea University (GB)
- Corresponding author
- Knox, Gareth J.
- Venue
- American Journal of Health Promotion
- Publisher
- SAGE Publications
- Published
- 2012-11
- Volume
- 27
- Issue
- 2
- Pages
- 75-83
- ISSN
- 0890-1171 (ISSN-L)
- 2168-6602
- OpenAlex
- W1989976139
- Cited by
- 20
- References
- 45
- Citations by year
- 2024: 2 · 2022: 2 · 2021: 1 · 2020: 2 · 2019: 1 · 2018: 1 · 2017: 2 · 2016: 3 · 2015: 3 · 2014: 2 · 2013: 1
- FWCI
- 1.29
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- American Journal of Health Promotion (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Economic and Social Research Council (ES/G007543/1)
- Topics
- Health Sciences › Medicine › Physiology › Physical Activity and Health
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
- Health Sciences › Health Professions › Speech and Hearing › School Health and Nursing Education
- Keywords
- school-based physical activity intervention, cardiovascular risk factors, adolescents, brisk walking, adiposity, blood pressure, lipids, HDL cholesterol, glucose, insulin, C-reactive protein, adiponectin, cardiorespiratory fitness, physical activity behavior, diet, high school students
- MeSH terms
- Adolescent, Cardiovascular Diseases, Child, Curriculum, Health Promotion, Humans, Male, Risk Factors, Schools, Exercise, Focus Groups, Risk Reduction Behavior
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