Yu, D, Chen, Y, Chen, T, Cai, Y, Qin, R, Jiang, Z and Zhao, Z (2018) Walking, But Not Other Physical Activity at a Higher Intensity, Is Associated With Improved Kidney Function: A Cross-Sectional Health Survey of General Adult Population. JOURNAL OF PHYSICAL ACTIVITY & HEALTH, 15 (8). 600 - 604. ISSN 1543-3080

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Chronic kidney disease is common and brings significant health burden. The purpose of this study was to investigate the relationship between physical activity and kidney function.

Methods: This was a cross-sectional study set in the Nanjing Community Cardiovascular Risk Survey, using random cluster sampling. Questionnaires were completed, wherever possible, through face-to-face interviews. Data on age, sex, body mass index, weekly physical activity, and kidney function were collected. Physical activity was measured by the metabolic equivalent of task-minutes per week and grouped into “walking,” “moderate,” and “vigorous” according to intensity. Kidney function was measured by the estimated glomerular filtration rate (eGFR, in mL/min/1.73 m2). Regression modeling was used to investigate the proposed relationship with adjustment for other confounding factors.

Results: A total of 5824 participants were included, with an average age of 52; 44% were male. The eGFR in average was 76 mL/min/1.73 m2, with 19% ≥ 90, 67% between 60 and 89, and 14% < 60. In average, the total physical activity during a week was 3644 MET-minutes per week. Moderate activity contributed 64% of the total activity, followed by walking (23%) and vigorous activity (13%). Overall, the total activity was weakly associated with eGFR (P = .039). However, in stratified analysis, only walking-related activity was associated with eGFR (P < .0001) after confounding adjustment.

Conclusions: Walking is associated with improved kidney function.

Item Type: Article
Additional Information: The final published version of this article can be accessed online at https://journals.humankinetics.com/doi/10.1123/jpah.2017-0412
Uncontrolled Keywords: epidemiology, chronic disease, estimated glomerular filtration rate
Subjects: R Medicine > RA Public aspects of medicine
Divisions: Faculty of Medicine and Health Sciences > Primary Care Health Sciences
Related URLs:
Depositing User: Symplectic
Date Deposited: 11 Sep 2018 08:43
Last Modified: 07 Mar 2019 16:07
URI: https://eprints.keele.ac.uk/id/eprint/5307

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