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Type: Journal article
Title: Differences in health-related quality of life between three clusters of physical activity, sitting time, depression, anxiety, and stress
Author: Rebar, A.
Duncan, M.
Short, C.
Vandelanotte, C.
Citation: BMC Public Health, 2014; 14(1):1088-1-1088-6
Publisher: BioMed Central
Issue Date: 2014
ISSN: 1471-2458
Statement of
Amanda L Rebar, Mitch J Duncan, Camille Short, and Corneel Vandelanotte
Abstract: BACKGROUND Physical inactivity, sitting behaviour, and mental health problems are detrimental to health-related quality of life but typically are considered as independent determinants. This study tested how these factors clustered together as profiles of subgroups of people and whether the clusters differed as a function of physical and mental health-related quality of life. METHODS In 2012, Australian adults (N =1,014) self-reported their physical and mental health-related quality of life, physical activity, sitting time, depression, anxiety, and stress using a web-based survey. Cluster analysis was used to identify subgroups of health behaviour and mental health profiles, and ANOVA was used to test for between-cluster differences in health-related quality of life. RESULTS Three subgroups were identified: people with higher psychological stress (n =13%), people with higher amounts of sitting time (n =45%), and people with lower amounts of sitting time (n =42%). There were no differences in mental health-related quality of life between subgroups; however people represented by the subgroup of higher amounts of sitting time had significantly lower physical health-related quality of life than the other two subgroups, F(2, 1011) =10.04, p < .01. CONCLUSIONS Interventions should consider that (1) physical activity, sitting time, and psychological distress are aspects of multifaceted behavioural-psychological profiles, and (2) reductions of sitting time may have major impacts for physical health-related quality of life.
Keywords: Mental health; Sedentary behaviour; Exercise; Cluster analysis
Rights: © 2014 Rebar et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver ( applies to the data made available in this article, unless otherwise stated.
DOI: 10.1186/1471-2458-14-1088
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