Intra-cluster correlation coefficients for pupil health outcomes estimated from school-based cluster randomised trials
dc.contributor.author | Parker, K | |
dc.contributor.author | Nunns, M | |
dc.contributor.author | Xiao, Z | |
dc.contributor.author | Ford, T | |
dc.contributor.author | Ukoumunne, OC | |
dc.date.accessioned | 2023-03-24T16:24:03Z | |
dc.date.issued | 2023-03-27 | |
dc.date.updated | 2023-03-24T16:09:39Z | |
dc.description.abstract | Objective To summarise intra-cluster correlation coefficient (ICC) estimates for pupil health outcomes from school-based cluster randomised trials (CRTs) across world regions and describe their relationship with study design characteristics and context. Study Design and Setting School-based CRTs reporting ICCs for pupil health outcomes were identified through a literature search of MEDLINE (via Ovid). ICC estimates were summarised both overall and for different categories of study characteristics. Results Two hundred and forty-six articles reporting ICC estimates were identified. The median (interquartile range) ICC was 0.031 (0.011 to 0.08) at the school level (N=210) and 0.063 (0.024 to 0.1) at the class level (N=46). The distribution of ICCs at the school level was well described by the beta and exponential distributions. Besides larger ICCs in definitive trials than feasibility studies, there were no clear associations between study characteristics and ICC estimates. Conclusion The distribution of school-level ICCs worldwide was similar to previous summaries from studies in the United States. The description of the distribution of ICCs will help to inform sample size calculations and assess their sensitivity when designing future school-based CRTs of health interventions | en_GB |
dc.description.sponsorship | National Institute for Health Research (NIHR) | en_GB |
dc.identifier.citation | Published online 27 March 2023 | en_GB |
dc.identifier.doi | 10.1016/j.jclinepi.2023.03.020 | |
dc.identifier.uri | http://hdl.handle.net/10871/132763 | |
dc.identifier | ORCID: 0000-0002-0551-9157 (Ukoumunne, Obi) | |
dc.language.iso | en | en_GB |
dc.publisher | Elsevier | en_GB |
dc.rights | © 2023 The Author(s). Published by Elsevier Inc. Open access under the Creative Commons Attribution (CC BY 4.0) licence | en_GB |
dc.subject | children | en_GB |
dc.subject | cluster randomised trials | en_GB |
dc.subject | intra-cluster correlation coefficient | en_GB |
dc.subject | public health | en_GB |
dc.subject | randomised trials | en_GB |
dc.subject | schools | en_GB |
dc.title | Intra-cluster correlation coefficients for pupil health outcomes estimated from school-based cluster randomised trials | en_GB |
dc.type | Article | en_GB |
dc.date.available | 2023-03-24T16:24:03Z | |
dc.identifier.issn | 1878-5921 | |
dc.description | This is the author accepted manuscript. The final version is available on open access from Elsevier via the DOI in this record | en_GB |
dc.description | Availability of data and materials: The datasets generated and/or analysed during the current study are not publicly available because they are also being used for a wider ongoing programme of research but are available from the corresponding author on reasonable request. | en_GB |
dc.identifier.journal | Journal of Clinical Epidemiology | en_GB |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | en_GB |
dcterms.dateAccepted | 2023-03-22 | |
dcterms.dateSubmitted | 2023-01-20 | |
rioxxterms.version | AM | en_GB |
rioxxterms.licenseref.startdate | 2023-03-22 | |
rioxxterms.type | Journal Article/Review | en_GB |
refterms.dateFCD | 2023-03-24T16:09:41Z | |
refterms.versionFCD | AM | |
refterms.dateFOA | 2023-03-30T12:15:19Z | |
refterms.panel | A | en_GB |
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Except where otherwise noted, this item's licence is described as © 2023 The Author(s). Published by Elsevier Inc. Open access under the Creative Commons Attribution (CC BY 4.0) licence