School-level intra-cluster correlation coefficients and autocorrelations for children’s accelerometer-measured physical activity in England by age and gender
Adequately powered studies are important to evidence effective physical activity strategies. Our estimates of the ICC, CAC and IAC may be used to plan future school-based physical activity evaluations and were fairly consistent across a range of ages and settings, suggesting that results may be applied to other high income countries with similar school physical activity provision. It is important to use estimates appropriate to the study design, and that match the intended study population as closely as possible.
Authors
- Lauren B. Sherar (ORCID: https://orcid.org/0000-0002-9942-5433)
- Robert Walker (ORCID: https://orcid.org/0000-0001-9901-5285)
- Andrew J. Atkin (ORCID: https://orcid.org/0000-0002-3819-3448)
- Danielle House (ORCID: https://orcid.org/0000-0001-6171-9922)
- Ruth Salway (ORCID: https://orcid.org/0000-0002-3242-3951)
- Christopher G. Owen (ORCID: https://orcid.org/0000-0003-1135-5977)
- Kate Northstone (ORCID: https://orcid.org/0000-0002-0602-1983)
- Esther M. F. van Sluijs (ORCID: https://orcid.org/0000-0001-9141-9082)
- Ulf Ekelund (ORCID: https://orcid.org/0000-0002-0951-1582)
- Russell Jago (ORCID: https://orcid.org/0000-0002-3394-0176)
- Bjørge Herman Hansen (ORCID: https://orcid.org/0000-0001-8445-8227)
- Dale Esliger (ORCID: https://orcid.org/0000-0002-1236-6419)
- Alice Porter (ORCID: https://orcid.org/0000-0001-5281-7694)
- Mohammed T Hudda (ORCID: https://orcid.org/0000-0001-7894-1159)
- Frank de Vocht (ORCID: https://orcid.org/0000-0003-3631-627X)
- Ruth Kipping (ORCID: https://orcid.org/0000-0002-5446-8077)
Institutions
- University of East Anglia (GB)
- Loughborough University (GB)
- St George's, University of London (GB)
- University of Cambridge (GB)
- University Hospitals Bristol NHS Foundation Trust (GB)
- At Bristol (GB)
- National Institute for Health and Care Research (GB)
- University of Bristol (GB)
- NIHR Bristol Biomedical Research Centre (GB)
- MRC Epidemiology Unit (GB)
- Dasman Diabetes Institute (KW)
- University Hospitals Bristol and Weston NHS Foundation Trust (GB)
- Norwegian School of Sport Sciences (NO)
Publication Details
- Journal
- BMC Medical Research Methodology
- Published
- 2024-08-09
- DOI
- https://doi.org/10.1186/s12874-024-02290-7
- Citations
- 2
- Primary Topic
- Obesity, Physical Activity, Diet
- Type
- article
- Field-Weighted Citation Impact
- 1.09
Funders
- Wellcome Trust
- UK Research and Innovation
- Alzheimer's Society
- Høgskulen på Vestlandet
- Alzheimer's Research Trust
- Cancer Research UK
- National Institute for Health and Care Research
- British Heart Foundation
- Department of Health and Social Care
- Diabetes UK
- Loughborough University
- University of Bristol
- Public Health Agency
- Norges Forskningsråd
- Norges Idrettshøgskole
- Directorate for Biological Sciences
- Medical Research Council
- Economic and Social Research Council
- World Cancer Research Fund
- Public Health Research Programme
- Health and Social Care Research and Development Division
- National Institute for Health Research Applied Research Collaboration West