Table 1 Table baseline characteristics of 651 participants
age(years) | mean ± SD | 69.5 ± 7.2 |
 < 50 | 12(1.8%) | |
50–59 | 40(61.4%) | |
60–69 | 244(37.5%) | |
70≦ | 355(54.5%) | |
gender | male | 229(35.2%) |
female | 422(64.8%) | |
BMI(kg/m2) | mean ± SD | 24.4 ± 3.1 |
BMI < 25 | 390(60.0%) | |
BMI≧25 | 261(40.0%) | |
radiographic KOA | none | 38(5.8%) |
mild-moderate | 311(47.7%) | |
severe | 303(46.5%) | |
knee pain | none | 23(3.5%) |
mild-moderate | 539(82.7%) | |
severe | 90(13.8%) | |
TUG(sec) | mean ± SD | 8.1 ± 2.7 |
TUG < 10 | 552(84.8%) | |
TUG≧10 | 99(15.2%) | |
CES-D-10(point) | mean ± SD | 5.6 ± 4.4 |
CES-D-10 < 9 | 545(83.7%) | |
CES-D-10≧10 | 106(16.3%) | |
PSE(point) | mean ± SD | 2.8 ± 0.8 |
low PSE | 266(41.0%) | |
high PSE | 385(59.0%) | |
FSE(point) | mean ± SD | 3.4 ± 0.9 |
low FSE | 100(15.4%) | |
high FSE | 551(84.6%) | |
PCS (point) | mean ± SD | 41.6 ± 14.0 |
MCS (point) | mean ± SD | 50.6 ± 10.2 |
RCS (point | mean ± SD | 48.0 ± 11.1 |