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Physical activity,fitness and all-cause mortality:An 18-year follow-up among old people

Journal of Sport and Health Science 2016年第4期5卷 437-442页

作者： Marja ?ij? markku kauppinen Urho M.Kujala Terttu Parkatti Unit of Health Care Savonia University of Applied Sciences Department of Health Sciences University of Jyv?skyl?

Background：Little is known about change in physical activity（PA） and its relationship to all-cause mortality among old *** is even less information about the association between PA,fitness and all-cause mortality among people aged 80 years and *** objective is to investigate persistence and change in PA over 5 years as a predictor of all-cause mortality,and fitnes as a mediator of this association,among people aged 80 and 85 years at the beginning of an 18-year mortality follow-up ***：Using Evergreen Project data（started in 1989）,4 study groups were formed according to self-reported changes in PA level,over a 5-year period（starting in 1989–1990 and ending in 1994–1995）：remained active（RA,control group）,changed to inactive（CI）,remained inactive（RI）,and changed to active（CA）.Mortality was followed up over the 18-year period（1994–2012）.Cox models with different covariates such as age,sex,use of alcohol,smoking,chronic diseases,and a 10 m walking test were used to analyze the association between change in PA level and ***：Compared to RA,those who decreased their PA level（CI） between baseline and follow-up had higher all-cause mortality（hazard ratio（HR=2.09;95%CI：1.63–2.69） when adjusted for age,gender,and chronic *** showed the highest all-cause mortality（HR = 2.16;95%CI：1.59–2.93）.In CA,when compared against RA,the risk of all-cause mortality was not statistically significan（HR=1.51;95%CI：0.95–2.38）.In comparison with RA,when walking speed over 10 m was added as a covariate,all-cause mortality risk was almost statistically significan only in CI（HR=1.37;95%CI：1.00–1.87）.Conclusion：Persistence and change in PA level was associated with *** association was largely explained by fitnes *** controlled studies are needed to test whether maintaining or increasing PA level could lengthen the life of old people.

关键词： All-cause mortality Fitness Follow-up study Functional ability Old people Physical activity

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