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Adiposity, fitness, health-related quality of life and the reallocation of time between children's school day activity behaviours: A compositional data analysis / Stuart J. Fairclough, Dorothea Dumuid, Kelly Mackintosh, Genevieve Stone, Rebecca Dagger, Gareth Stratton, Ian Davies, Lynne M. Boddy

Preventive Medicine Reports, Volume: 11, Pages: 254 - 261

Swansea University Authors: Kelly Mackintosh, Gareth Stratton

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Abstract

Sedentary time (ST), light (LPA), and moderate-to-vigorous physical activity (MVPA) constitute the range of school day activity behaviours. This study investigated whether the composition of school activity behaviours was associated with health indicators, and the predicted changes in health when ti...

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Published in: Preventive Medicine Reports
ISSN: 2211-3355
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa41088
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This study investigated whether the composition of school activity behaviours was associated with health indicators, and the predicted changes in health when time was reallocated between activity behaviours. Accelerometers were worn for 7-days between October and December 2010 by 318 UK children aged 10&#x2013;11, to provide estimates of school day ST, LPA, and MVPA. BMI z-scores and percent waist-to-height ratio were calculated as indicators of adiposity. Cardiorespiratory fitness (CRF) was assessed using the 20-m shuttle run test. The PedsQL&#x2122; questionnaire was completed to assess psychosocial and physical health-related quality of life (HRQL). Log-ratio multiple linear regression models predicted health indicators for the mean school day activity composition, and for new compositions where fixed durations of time were reallocated from one activity behaviour to another, while the remaining behaviours were unchanged. The school day activity composition significantly predicted adiposity and CRF (p&#x202F;=&#x202F;0.04&#x2013;0.002), but not HRQL. Replacing MVPA with ST or LPA around the mean activity composition predicted higher adiposity and lower CRF. When ST or LPA were substituted with MVPA, the relationships with adiposity and CRF were asymmetrical with favourable, but smaller predicted changes in adiposity and CRF than when MVPA was replaced. Predicted changes in HRQL were negligible. The school day activity composition significantly predicted adiposity and CRF but not HRQL. 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spelling 2020-08-07T15:57:25.8989090 v2 41088 2018-07-23 Adiposity, fitness, health-related quality of life and the reallocation of time between children's school day activity behaviours: A compositional data analysis bdb20e3f31bcccf95c7bc116070c4214 0000-0003-0355-6357 Kelly Mackintosh Kelly Mackintosh true false 6d62b2ed126961bed81a94a2beba8a01 0000-0001-5618-0803 Gareth Stratton Gareth Stratton true false 2018-07-23 STSC Sedentary time (ST), light (LPA), and moderate-to-vigorous physical activity (MVPA) constitute the range of school day activity behaviours. This study investigated whether the composition of school activity behaviours was associated with health indicators, and the predicted changes in health when time was reallocated between activity behaviours. Accelerometers were worn for 7-days between October and December 2010 by 318 UK children aged 10–11, to provide estimates of school day ST, LPA, and MVPA. BMI z-scores and percent waist-to-height ratio were calculated as indicators of adiposity. Cardiorespiratory fitness (CRF) was assessed using the 20-m shuttle run test. The PedsQL™ questionnaire was completed to assess psychosocial and physical health-related quality of life (HRQL). Log-ratio multiple linear regression models predicted health indicators for the mean school day activity composition, and for new compositions where fixed durations of time were reallocated from one activity behaviour to another, while the remaining behaviours were unchanged. The school day activity composition significantly predicted adiposity and CRF (p = 0.04–0.002), but not HRQL. Replacing MVPA with ST or LPA around the mean activity composition predicted higher adiposity and lower CRF. When ST or LPA were substituted with MVPA, the relationships with adiposity and CRF were asymmetrical with favourable, but smaller predicted changes in adiposity and CRF than when MVPA was replaced. Predicted changes in HRQL were negligible. The school day activity composition significantly predicted adiposity and CRF but not HRQL. Reallocating time from ST and LPA to MVPA is advocated through comprehensive school physical activity promotion approaches. Journal Article Preventive Medicine Reports 11 254 261 2211-3355 Time-use epidemiology, Physical activity, Sedentary behaviour, Accelerometer, Schools, Children, Health, CoDA 30 9 2018 2018-09-30 10.1016/j.pmedr.2018.07.011 COLLEGE NANME Sport and Exercise Sciences COLLEGE CODE STSC Swansea University 2020-08-07T15:57:25.8989090 2018-07-23T10:01:26.8782284 College of Engineering Sports Science Stuart J. Fairclough 1 Dorothea Dumuid 2 Kelly Mackintosh 0000-0003-0355-6357 3 Genevieve Stone 4 Rebecca Dagger 5 Gareth Stratton 0000-0001-5618-0803 6 Ian Davies 7 Lynne M. Boddy 8 0041088-26072018131035.pdf fairclough2018(2).pdf 2018-07-26T13:10:35.2000000 Output 900847 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license (CC BY-NC-ND). true eng
title Adiposity, fitness, health-related quality of life and the reallocation of time between children's school day activity behaviours: A compositional data analysis
spellingShingle Adiposity, fitness, health-related quality of life and the reallocation of time between children's school day activity behaviours: A compositional data analysis
Kelly, Mackintosh
Gareth, Stratton
title_short Adiposity, fitness, health-related quality of life and the reallocation of time between children's school day activity behaviours: A compositional data analysis
title_full Adiposity, fitness, health-related quality of life and the reallocation of time between children's school day activity behaviours: A compositional data analysis
title_fullStr Adiposity, fitness, health-related quality of life and the reallocation of time between children's school day activity behaviours: A compositional data analysis
title_full_unstemmed Adiposity, fitness, health-related quality of life and the reallocation of time between children's school day activity behaviours: A compositional data analysis
title_sort Adiposity, fitness, health-related quality of life and the reallocation of time between children's school day activity behaviours: A compositional data analysis
author_id_str_mv bdb20e3f31bcccf95c7bc116070c4214
6d62b2ed126961bed81a94a2beba8a01
author_id_fullname_str_mv bdb20e3f31bcccf95c7bc116070c4214_***_Kelly, Mackintosh
6d62b2ed126961bed81a94a2beba8a01_***_Gareth, Stratton
author Kelly, Mackintosh
Gareth, Stratton
author2 Stuart J. Fairclough
Dorothea Dumuid
Kelly Mackintosh
Genevieve Stone
Rebecca Dagger
Gareth Stratton
Ian Davies
Lynne M. Boddy
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publishDate 2018
institution Swansea University
issn 2211-3355
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description Sedentary time (ST), light (LPA), and moderate-to-vigorous physical activity (MVPA) constitute the range of school day activity behaviours. This study investigated whether the composition of school activity behaviours was associated with health indicators, and the predicted changes in health when time was reallocated between activity behaviours. Accelerometers were worn for 7-days between October and December 2010 by 318 UK children aged 10–11, to provide estimates of school day ST, LPA, and MVPA. BMI z-scores and percent waist-to-height ratio were calculated as indicators of adiposity. Cardiorespiratory fitness (CRF) was assessed using the 20-m shuttle run test. The PedsQL™ questionnaire was completed to assess psychosocial and physical health-related quality of life (HRQL). Log-ratio multiple linear regression models predicted health indicators for the mean school day activity composition, and for new compositions where fixed durations of time were reallocated from one activity behaviour to another, while the remaining behaviours were unchanged. The school day activity composition significantly predicted adiposity and CRF (p = 0.04–0.002), but not HRQL. Replacing MVPA with ST or LPA around the mean activity composition predicted higher adiposity and lower CRF. When ST or LPA were substituted with MVPA, the relationships with adiposity and CRF were asymmetrical with favourable, but smaller predicted changes in adiposity and CRF than when MVPA was replaced. Predicted changes in HRQL were negligible. The school day activity composition significantly predicted adiposity and CRF but not HRQL. Reallocating time from ST and LPA to MVPA is advocated through comprehensive school physical activity promotion approaches.
published_date 2018-09-30T04:00:50Z
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