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Type: Journal article
Title: Physical activity moderates the deleterious relationship between cardiovascular disease, or its risk factors, and quality of life: findings from two population-based cohort studies in Southern Brazil and South Australia
Author: De Menezes Caceres, V.
Stocks, N.
Adams, R.
Haag, D.
Peres, K.
Peres, M.
González-Chica, D.
Citation: PLoS ONE, 2018; 13(6):e0198769-1-e0198769-17
Publisher: Public Library Science
Issue Date: 2018
ISSN: 1932-6203
Statement of
Viviane de Menezes Caceres, Nigel Stocks, Robert Adams, Dandara Gabriela Haag, Karen Glazer Peres, Marco Aurélio Peres, David Alejandro González-Chica
Abstract: Background: Few studies have investigated the relationship between physical activity (PA) of low intensity and duration with quality of life (QoL) among individuals at risk or with cardiovascular disease (CVD). Objectives: To investigate whether PA of different intensity and duration moderates the relationship between CVD and its risk factors (obesity, hypertension, diabetes, dyslipidaemia) and QoL in adults. Methods: Population-based cross-sectional studies using data from the EpiFloripa Cohort Study (Southern Brazil; n = 1,220, 38.8±12.0 years, 48.2% males) and the North West Adelaide Health Study (NWAHS, South Australia; n = 1,661, 43.7±11.1 years, 49.7% males). The physical and psychological domains of QoL were assessed using the WHOQOL-Bref (EpiFloripa) or the SF-36 (NWAHS) questionnaires. The diagnosis of CVD and its risk factors were self-reported. PA was self-reported and quantified by its intensity [“walking” or moderate/vigorous (MVPA)] and duration (none, 1–150, ≥150 min/week). Both studies were analysed separately, and results were adjusted for sociodemographic variables. Results: Participants at risk or with CVD from both studies showed a lower QoL than ‘healthy’ individuals with a stronger relationship for the physical domain. PA duration showed a direct-trend relationship with QoL, but the associations were stronger for MVPA in both studies. However, when stratified by health status, the magnitude of the association between “walking” duration and a higher physical QoL was greater among those at risk or with CVD compared to ‘healthy’ individuals. Conversely, among Australians with CVD, MVPA was associated with a better physical QoL only when its duration was ≥150 min/week. All associations were stronger in the NWAHS than in the Brazilian study. Conclusions: “Walking” was more prevalent than MVPA and was consistently associated with a better physical QoL among those at risk or with CVD. These findings should be considered in the design of public health interventions designed to increase PA and improve QoL.
Keywords: Humans; Cardiovascular Diseases; Exercise; Risk Factors; Cohort Studies; Cross-Sectional Studies; Quality of Life; Adult; Middle Aged; Brazil; Australia; Female; Male
Rights: © 2018 Caceres et al. 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 author and source are credited.
RMID: 0030090579
DOI: 10.1371/journal.pone.0198769
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