Are the Relationships of Physical Activity and Television Viewing Time With Mortality Robust to Confounding? A Study, Utilizing E-Values, From the Melbourne Collaborative Cohort Study

BPM Kwan; BM Lynch; L Edbrooke; A Hodge; CTV Swain

Journal article

Are the Relationships of Physical Activity and Television Viewing Time With Mortality Robust to Confounding? A Study, Utilizing E-Values, From the Melbourne Collaborative Cohort Study

BPM Kwan, BM Lynch, L Edbrooke, A Hodge, CTV Swain

Journal of Physical Activity and Health | HUMAN KINETICS PUBL INC | Published : 2024

DOI: 10.1123/jpah.2024-0218

Abstract

Background: Physical activity and sedentary behavior are associated with health outcomes. However, evidence may be affected by confounding bias. This study aimed to examine the relationships of physical activity and television (TV) viewing time with all-cause, cardiovascular, and cancer mortality in a cohort of Australian adults, and determine the robustness of these relationships to residual and unmeasured confounding. Methods: Data from 27,317 Melbourne Collaborative Cohort Study participants (mean age = 66) were used. Physical activity was assessed using the International Physical Activity Questionnaire-Short Form and categorized as insufficient, sufficient, ormore than sufficient. TV vie..

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University of Melbourne Researchers

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Awarded by Australian Government

Funding Acknowledgements

MCCS cohort recruitment was funded by VicHealth and Cancer Council Victoria. The MCCS was further augmented by Australian National Health and Medical Research Council grants 209057, 396414, and 1074383 and by infrastructure provided by Cancer Council Victoria. Cases and their vital status were ascertained through the Victorian Cancer Registry and the Australian Institute of Health and Welfare, including the National Death Index and the Australian Cancer Database. Kwan was supported by an Aged Care Scholarship: Allied Health Postgraduate funded by the Department of Health and Aged Care, Australian Government and administered by the Australian College of Nursing, and a Study Assistance Grant from Silver Chain Group Limited. The authors would like to thank Professor Linda Denehy for supporting this project.