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Physical-behavior profiles and aerobic capacity: A latent profile analysis of 24-hour time-use composition among Danish workers
The National Research Centre for the Working Environment, Denmark.
University of Gävle, Faculty of Health and Occupational Studies, Department of Occupational and Public Health Sciences, Occupational Health Science. University of Gävle, Centre for Musculoskeletal Research.ORCID iD: 0000-0002-2741-1868
Alliance for Research in Exercise, Nutrition and Activity (ARENA), School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia.
Institute for Choice, University of South Australia, North Sydney, Australia.
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2019 (English)In: ICAMPAM 2019: Oral Abstracts, Maastricht: ICAMPAM , 2019, article id O.11.4Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

Introduction Obtaining a balance between exercise and recovery is an established approach in Exercise Science to improve aerobic capacity. However, it is unknown how different 24-h time-use profiles depicting a balance between physical behaviors (i.e. physical activities, sedentary behavior and sleep) across main domains of the day are associated with aerobic capacity. We aimed to identify such 'physical-behavior (PB) profiles' and to investigate their association with aerobic capacity. Methods Workers (n=807) participated in thigh-accelerometry to determine 24-h time-use composition of physical activity, sedentary and standing during work and leisure, as well as time in bed. Åstrand submaximal cycle ergometer test was used to estimate aerobic capacity. The PB profiles were determined using latent profile analysis of isometric log-ratios representing the 24-hour composition. Linear models were applied to determine the cross-sectional association between physical-behavior profiles and aerobic capacity. Results Four PB profiles were identified that were labeled based on animal traits; Chimpanzees (n=226), Lions (n=179), Ants (n=244), and Koalas (n=158). Compared to Chimpanzees (at work, in mins; sedentary=197, standing=145, physical activity=117; and at leisure in mins; physical activity=114, standing=121, time in bed= 440); Lions were more active at work, sedentary at leisure and spent more time in bed; Ants had more physical activity at work and similar physical activity and time in bed at leisure; Koalas were more sedentary at work and leisure and spent more time in bed. Compared to Chimpanzees, Koalas had lower aerobic capacity (mlO2/kg/min): -3.7 (95%CI -6.0,-1.5), followed by Lions -3.6 (-5.5,-1.7) and Ants -1.8 (-3.7,- 0.1). Conclusions Physical-behavior profiles based on 24-h time-use composition are associated with aerobic capacity. Obtaining a balance between physical behaviors at work and leisure may be a promising approach for improving aerobic capacity.

Place, publisher, year, edition, pages
Maastricht: ICAMPAM , 2019. article id O.11.4
National Category
Occupational Health and Environmental Health
Identifiers
URN: urn:nbn:se:hig:diva-30411OAI: oai:DiVA.org:hig-30411DiVA, id: diva2:1335359
Conference
ICAMPAM, June 26-28, Maastricht, The Netherlands
Available from: 2019-07-05 Created: 2019-07-05 Last updated: 2019-08-07Bibliographically approved

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Gupta, NidhiHallman, David

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