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Published on: March 7, 2019
Objectively measured physical activity and kidney function in older men; a cross-sectional population-based study.
Tessa J Parsons1, Claudio Sartini1, Sarah Ash1
1UCL Department of Primary Care and Population Health, UCL Medical School, London NW3 2PF, UK.
Higher physical activity and less sedentary behavior are linked to better kidney function in older men. This research highlights the importance of activity for kidney health in this demographic.
Area of Science:
- Gerontology
- Nephrology
- Public Health
Background:
- Kidney function naturally declines in older adults.
- Low physical activity levels are common in the elderly population.
- Older men are at increased risk for poor kidney function.
Purpose of the Study:
- To investigate the association between physical activity, sedentary behavior, and kidney function in older men.
- To determine if higher physical activity and lower sedentary behavior correlate with lower odds of reduced kidney function.
Main Methods:
- A cross-sectional study involving 1,352 men aged 78.5 years on average.
- Physical activity and sedentary behavior measured using Actigraph GT3X accelerometers.
- Kidney function assessed by estimated Glomerular Filtration Rate (eGFR).
Main Results:
- Increased physical activity and decreased sedentary behavior were associated with reduced odds of low eGFR.
- Each additional 1,000 steps/day correlated with lower odds of low eGFR (OR 0.81).
- Each additional 30 minutes of sedentary behavior/day was linked to higher odds of low eGFR (OR 1.16).
Conclusions:
- Physical activity is significantly associated with kidney function in older men.
- Promoting physical activity may be crucial for public health in this age group.
- Further research is needed to establish a causal relationship.
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