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Transform-Us! cluster RCT: 18-month and 30-month effects on children’s physical activity, sedentary time and cardiometabolic risk markers

British journal of sports medicine, 2023-03, Vol.57 (5), p.311-319 [Peer Reviewed Journal]

Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. ;2022 Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. http://creativecommons.org/licenses/by-nc/4.0/ This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/ . Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2023 Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. http://creativecommons.org/licenses/by-nc/4.0/ This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/ . Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. 2023 ;ISSN: 0306-3674 ;EISSN: 1473-0480 ;DOI: 10.1136/bjsports-2022-105825 ;PMID: 36428089

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Title:
Transform-Us! cluster RCT: 18-month and 30-month effects on children’s physical activity, sedentary time and cardiometabolic risk markers
Author: Salmon, Jo ; Arundell, Lauren ; Cerin, Ester ; Ridgers, Nicola Dawn ; Hesketh, Kylie D ; Daly, Robin M ; Dunstan, David ; Brown, Helen ; Della Gatta, Jacqui ; Della Gatta, Paul ; Chinapaw, Mai J M ; Shepphard, Lauren ; Moodie, Marj ; Hume, Clare ; Brown, Vicki ; Ball, Kylie ; Crawford, David
Subjects: Behavior ; Body Mass Index ; Cardiovascular Diseases - prevention & control ; Central business districts ; Child ; Child Health ; Classrooms ; Curricula ; Data collection ; Exercise ; Exercise - physiology ; Humans ; Intervention ; Learning ; Obesity ; Original Research ; Parents & parenting ; Physical activity ; Physical education ; Professional development ; Schools ; Sedentary Behavior ; System theory ; Teachers
Is Part Of: British journal of sports medicine, 2023-03, Vol.57 (5), p.311-319
Description: ObjectiveTo test the efficacy of the Transform-Us! school- and home-based intervention on children’s physical activity (PA), sedentary behaviour (SB) and cardiometabolic risk factor profiles.MethodsA 30-month 2×2 factorial design cluster randomised controlled trial delivered in 20 primary schools (148 Year 3 classes) in Melbourne, Australia (2010–2012), that used pedagogical and environmental strategies to reduce and break up SB, promote PA or a combined approach, compared with usual practice. Primary outcomes (accelerometry data; n=348) were assessed at baseline, 18 and 30 months. Secondary outcomes included body mass index (BMI) and waist circumference (WC) (n=564), blood pressure (BP) (n=537) and biomarkers (minimum n=206). Generalised linear mixed models estimated the interactive effects of the PA and SB interventions on the outcomes. If there was no interaction, the main effects were assessed.ResultsAt 18 months, there were intervention effects on children’s weekday SB (−27 min, 95% CI: −47.3 to −5.3) for the PA intervention, and on children’s average day PA (5.5 min, 95% CI: 0.1 to 10.8) for the SB intervention. At 30 months, there was an intervention effect for children’s average day SB (−33.3 min, 95% CI: −50.6 and −16.0) for the SB intervention. Children’s BMI (PA and SB groups) and systolic BP (combined group) were lower, and diastolic BP (PA group) was higher. There were positive effects on WC at both time points (SB intervention) and mixed effects on blood parameters.ConclusionsThe Transform-Us! PA and SB interventions show promise as a pragmatic approach for reducing children’s SB and adiposity indicators; but achieving substantial increases in PA remains challenging.Trial registration ISRCTN83725066; ACTRN12609000715279.
Publisher: England: BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine
Language: English
Identifier: ISSN: 0306-3674
EISSN: 1473-0480
DOI: 10.1136/bjsports-2022-105825
PMID: 36428089
Source: BMJ Journals (Open Access)
AUTh Library subscriptions: ProQuest Central
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Transform-Us! cluster RCT: 18-month and 30-month effects on children’s physical activity, sedentary time and cardiometabolic risk markers

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