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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS

Rivista di Medicina, Traumatologia e Psicologia dello Sport


Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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The Journal of Sports Medicine and Physical Fitness 2017 Sep 05

DOI: 10.23736/S0022-4707.17.07636-8

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Depression mediates the association between physical inactivity and cognitive impairment in Korean older adults

Youngyun JIN, Jinkyung CHO, Inhwan LEE, Haeryun HONG, Donghyun KIM, Hyunsik KANG

College of Sport Science, Sungkyunkwan University, Suwon, Republic of Korea


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BACKGROUND: This study investigated the association between physical activity and cognitive impairement in older adults.
METHODS: Data from 10245 Korean adults (4,428 men and 5,817 women) who participated in the 2008 baseline survey of the living profiles of older people survey were used for this analysis.
RESULTS: Compared with low PA men, moderate PA men only had significantly lower odds-ratio (OR) and 95% confidence interval (95% CI) (OR=0.795, 95% CI = 0.654~0.965, p=0.021) for having cognitive impairment even after adjusting for measured covariates, which was no longer significant when additionally adjusted for depressive symptoms (OR=0.862, 95% CI=0.707~1.051, p=0.143). Compared with low PA women, moderate- and high PA women had significantly lower risks of cognitive impairment (OR=0.830, 95% CI=0.712~0.969, p=0.018 and OR=0.784, 95% CI=0.651~0.943, p=0.010, respectively) even after adjusted for the measured covariates, which was no longer significant when additionally adjusted for depressive symptoms (OR=0.897, 95% CI=0.776~1.049, p=0.173 and OR=0.919,
95% CI=0.761~1.111, p=0.385, respectively).
CONCLUSIONS: These findings suggest that depression mediates the inverse relationship between physical activity and cognitive decline among older adults.


KEY WORDS: Aging - Physical activity - Cognition - Depression - Comorbidity

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Publication History

Article first published online: September 05, 2017
Manuscript accepted: August 29, 2017
Manuscript revised: July 21, 2017
Manuscript received: April 2, 2017

Per citare questo articolo

Jin Y, Cho J, Lee I, Hong H, Kim D, Kang H. Depression mediates the association between physical inactivity and cognitive impairment in Korean older adults. J Sports Med Phys Fitness 2017 Sep 05. DOI: 10.23736/S0022-4707.17.07636-8

Corresponding author e-mail

hkang@skku.edu