TY  - JOUR
PY  - 2017//
TI  - The association between sleep duration and physical performance in Chinese community-dwelling elderly
JO  - PLoS one
A1  - Fu, Liyuan
A1  - Jia, Liye
A1  - Zhang, Wen
A1  - Han, Peipei
A1  - Kang, Li
A1  - Ma, Yixuan
A1  - Yu, Hairui
A1  - Zhai, Tianqi
A1  - Chen, Xiaoyu
A1  - Guo, Qi
SP  - e0174832
EP  - e0174832
VL  - 12
IS  - 3
N2  - BACKGROUND: Physical performance is an important healthy factor in elder people. Good living habits, which include sleep, can maintain physical strength and physical performance. The aim of the present study was to conduct a cross-sectional study to determine the association between total sleep duration and physical performance. <br><br>METHODS: Our study population comprised residents of the township central hospital in the suburban of Tianjin, China. We measured muscle strength, walk speed and balance function by grip, 4-m walk test and timed up and go test (TUGT). We divided sleep duration into four groups <7h, 7-8h, >8-9h, >9h. <br><br>RESULTS: A total 898 participants had completed data (392 men and 506 women, mean age 67.71 years). In man, adjusted sleep duration was associated with lower grip in > 9 h group, the mean value (95% CI) was 0.429 (0.409, 0.448), and longer TUGT time was also associated with long sleep duration, 10.46s (9.97 s, 10.95 s). In women, adjusted slower 4-m walk speed present an inverse U-shaped relation with sleep duration, by 0.93 m/s (0.86 m/s, 0.98 m/s), 0.97 m/s (0.96 m/s, 1.00 m/s), 0.97 m/s (0.95 m/s, 0.99 m/s) and 0.92 m/s (0.89 m/s, 0.96 m/s); longer TUGT time were associated with long sleep duration (> 9 h), by 11.23 s (10.70 s, 11.77 s). <br><br>CONCLUSION: In Chinese community-dwelling elderly, lower muscle strength and lower balance function were associated with long sleep duration in men. Slower walk speed and lower balance function were associated with long sleep duration in women.<p />  <p>Language: en</p>
LA  - en
SN  - 1932-6203
UR  - http://dx.doi.org/10.1371/journal.pone.0174832
ID  - ref1
ER  -