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Mortality in relation to changes in physical activity in middle-aged to older Chinese: An 8-year follow-up of the Guangzhou Biobank Cohort Study
- Source :
- Journal of Sport and Health Science, Journal of Sport and Health Science, Vol 10, Iss 4, Pp 430-438 (2021)
- Publication Year :
- 2020
- Publisher :
- Shanghai University of Sport, 2020.
-
Abstract
- Highlights • Due to rapid urbanization and despite numerous physical activity (PA) promotion programs, PA levels in China have been continuously decreasing. However, it remains unclear whether increasing or decreasing PA is beneficial for middle-aged and older Chinese. • Maintaining high levels of PA and increasing PA from low levels to high levels lowers mortality risks for those at an older age, suggesting that substantial health benefits might be achieved by consistently maintaining or increasing engagement in PA. • The increased mortality risk brought on by maintaining PA at a low level or decreasing it to a low level warrants the attention of public health officials and clinicians.<br />Background Physical activity (PA) is generally encouraged. Studies from developed countries in the West have shown that maintenance of adequate PA or increasing PA are associated with lower mortality risk. It is unclear whether these associations apply to an older Chinese population. Hence, we examined the changes in PA prospectively among a middle-aged and older Chinese population over an average of 4 years and explored their subsequent mortality risks. Methods Metabolic equivalent scores of PA among participants in the Guangzhou Biobank Cohort Study were calculated. Participants were divided into 3 groups related to PA level, and changes in PA were classified into 9 categories. Information on vital status and causes of death from March 2008 to December 2012 (the first repeated examination) until December 31, 2017, was obtained via record linkage with the Death Registry. Results Of 18,104 participants aged 61.21 ± 6.85 years (mean ± SD), 1461 deaths occurred within 141,417 person-years. Compared to participants who maintained moderate PA, those who decreased PA from moderate or high levels to a low level had increased risks for all-cause mortality (hazard ratio (HR) = 1.47, 95% confidence interval (95%CI): 1.11–1.96). Participants who maintained a high level of PA (HR = 0.83, 95%CI: 0.70–0.98) or increased PA from low to high levels (HR = 0.71, 95%CI: 0.52–0.97) showed lower all-cause mortality risks. Those who maintained low PA levels showed a higher all-cause mortality risk, whereas those who increased their PA levels showed a non-significantly lower risk. Similar results were found for cardiovascular disease risk. Conclusion Even at an older age, maintaining a high PA level or increasing PA from low to high levels results in lower mortality risks, suggesting that substantial health benefits might be achieved by maintaining or increasing engagement in adequate levels of PA. The increased risk of maintaining a low PA level or decreasing PA to a low level warrants the attention of public health officials and clinicians.<br />Graphical abstract Image, graphical abstract
- Subjects :
- Cardiovascular disease mortality
Male
medicine.medical_specialty
China
Health Behavior
Physical Therapy, Sports Therapy and Rehabilitation
Lower risk
Metabolic equivalent
Cohort Studies
03 medical and health sciences
0302 clinical medicine
Risk Factors
Medicine
Humans
Orthopedics and Sports Medicine
030212 general & internal medicine
Mortality
Exercise
Aged
business.industry
Public health
Hazard ratio
030229 sport sciences
Middle Aged
All-cause mortality
Confidence interval
GV557-1198.995
Sports medicine
Original Article
Female
business
RC1200-1245
Developed country
Record linkage
Sports
Cohort study
Demography
Change in physical activity
Follow-Up Studies
Subjects
Details
- Language :
- English
- ISSN :
- 22132961 and 20952546
- Volume :
- 10
- Issue :
- 4
- Database :
- OpenAIRE
- Journal :
- Journal of Sport and Health Science
- Accession number :
- edsair.doi.dedup.....354c3d0d83ffbd7e4e10f8d4549e0e52