School‐based systems change for obesity prevention in adolescents: outcomes of the Australian Capital Territory ‘It's Your Move!’
Open accessAbstract
OBJECTIVE: The Australian Capital Territory 'It's Your Move!' (ACT-IYM) was a three-year (2012-2014) systems intervention to prevent obesity among adolescents. METHODS: The ACT-IYM project involved three intervention schools and three comparison schools and targeted secondary students aged 12-16 years. The intervention consisted of multiple initiatives at individual, community, and school policy level to support healthier nutrition and physical activity. Intervention school-specific objectives related to increasing active transport, increasing time spent physically active at school, and supporting mental wellbeing. Data were collected in 2012 and 2014 from 656 students. Anthropometric data were objectively measured and behavioural data self-reported. RESULTS: Proportions of overweight or obesity were similar over time within the intervention (24.5% baseline and 22.8% follow-up) and comparison groups (31.8% baseline and 30.6% follow-up). Within schools, two of three the intervention schools showed a significant decrease in the prevalence of overweight and obesity (p<0.05). CONCLUSIONS: There was some evidence of effectiveness of the systems approach to preventing obesity among adolescents. Implications for public health: The incorporation of systems thinking has been touted as the next stage in obesity prevention and public health more broadly. These findings demonstrate that the use of systems methods can be effective on a small scale.
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Effectively addressing multiple lifestyle factors in young people presents a promising approach towards tackling the rates of mental illness across the population.
“effectively addressing multiple lifestyle factors in young people presents a promising approach towards tackling the rates of mental illness across the population 6,7,83,84 .”
From A meta-review of "lifestyle psychiatry": the role of exercise, smoking, diet and sleep in the prevention and treatment of mental disorders (2020) · cites this paper as [84]
The Discussion links nutrition and physical activity with adolescent mental health and reports improved depressive symptomatology in an intervention school. The school-specific outcomes also report a decrease in depressive symptoms where healthy eating and physical activity were promoted. These findings support the approach as promising for adolescents, but do not establish an effect on rates of mental illness across the population. Page numbers were not available in our copy. (LLM, conf=0.86)
Experimental — accuracy not yet measuredSystem-wide approaches to health promotion in children and adolescents have positive mental health findings.
“the positive mental health findings from system-wide approaches to health promotion in children and adolescents 83,84”
From A meta-review of "lifestyle psychiatry": the role of exercise, smoking, diet and sleep in the prevention and treatment of mental disorders (2020) · cites this paper as [84]
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- Authors
- Malakellis, M., Hoare, E., Sanigorski, A., Crooks, N., Allender, S., Nichols, M., Swinburn, B., Chikwendu, C., Kelly, P. M., Petersen, S., & Millar, L.
- Affiliations
- Deakin University (AU)
- ACT Government (AU)
- Australian National University (AU)
- Umeå University (SE)
- Corresponding author
- Hoare, Erin
- ORCID
- Venue
- Australian and New Zealand Journal of Public Health
- Publisher
- Elsevier BV
- Published
- 2017-10
- Volume
- 41
- Issue
- 5
- Pages
- 490-496
- ISSN
- 1326-0200 (ISSN-L)
- OpenAlex
- W2739939719
- Cited by
- 57
- References
- 49
- Citations by year
- 2026: 5 · 2025: 3 · 2024: 9 · 2023: 5 · 2022: 13 · 2021: 3 · 2020: 9 · 2019: 5 · 2018: 4 · 2017: 1
- FWCI
- 4.88
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Australian and New Zealand Journal of Public Health (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- Victoria University Research Repository (Victoria University) (submittedVersion, cc-by-nc-nd)
- DiVA at Umeå University (Umeå University) (submittedVersion, other-oa)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- ANU Open Research (Australian National University) (submittedVersion, cc-by-nc-nd)
- ResearchSpace (University of Auckland) (submittedVersion, cc-by-nc-nd)
- Topics
- 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
- Health Sciences › Medicine › Physiology › Physical Activity and Health
- Keywords
- adolescent obesity prevention, systems thinking, active transport, school-based physical activity, nutrition policy, psychological well-being, overweight prevalence, high school students, Australian Capital Territory
- MeSH terms
- Adolescent, Australia, Child, Feeding Behavior, Female, Health Promotion, Humans, Male, Obesity, School Health Services, Schools, Students, Health Behavior, Exercise, Prevalence, Australian Capital Territory, Overweight
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