Table 3 Demographic characteristics, Disease, Social support, Timed up and go test, and Stair-climb test in patients with and without depression (n = 214)
Variables | With Depression (n = 94) Mean ± SD or n (%) | Without Depression (n = 120) Mean ± SD or n (%) | p-value |
|---|---|---|---|
Age (years) | 71.0 ± 8.36 | 67.8 ± 6.71 | 0.002a |
Sex | Â | Â | 0.561 |
 Male | 15 (16.0%) | 24 (20.0%) |  |
 Female | 79 (84.0%) | 96 (80.0%) |  |
BMI | 26.2 ± 3.92 | 24.4 ± 3.63 | 0.001a |
Ethnic group | Â | Â | 0.734 |
 Han | 91 (96.8%) | 114 (95.0%) |  |
 Others | 3 (3.19%) | 6 (5.00%) |  |
Marital status | Â | Â | 0.650 |
 Married | 76 (80.9%) | 101 (84.2%) |  |
 Divorced/widowed | 18 (19.1%) | 19 (15.8%) |  |
Residence | Â | Â | 0.747 |
 Urban | 57 (60.6%) | 69 (57.5%) |  |
 Rural | 37 (39.4%) | 51 (42.5%) |  |
Education | Â | Â | 0.192 |
 Primary school and below | 15 (16.0%) | 17 (14.2%) |  |
 Junior high school | 31 (33.0%) | 37 (30.8%) |  |
 Senior high school or equivalent | 27 (28.7%) | 24 (20.0%) |  |
 College and above | 21 (22.3%) | 42 (35.0%) |  |
Level of occupational activity before retirement | Â | Â | 1.000 |
 Light physical | 43 (45.7%) | 54 (45.0%) |  |
 Hard physical | 51 (54.3%) | 66 (55.0%) |  |
Monthly Income (yuan) | Â | Â | 0.340 |
 Lower than 2000 | 25 (26.6%) | 34 (28.3%) |  |
 2000–3000 | 26 (27.7%) | 29 (24.2%) |  |
 3000–4000 | 25 (26.6%) | 22 (18.3%) |  |
 4000–5000 | 9 (9.57%) | 14 (11.7%) |  |
 Higher than 5000 | 9 (9.57%) | 21 (17.5%) |  |
Medical expense | Â | Â | 0.062 |
 Public expense | 16 (17.0%) | 25 (20.8%) |  |
 Medical insurance | 70 (74.5%) | 93 (77.5%) |  |
 At their own expense | 8 (8.51%) | 2 (1.67%) |  |
Disease duration (years) | 6.40 ± 8.42 | 5.43 ± 7.14 | 0.370 |
Number of diseased knees | Â | Â | 0.060 |
 1 | 34 (36.2%) | 60 (50.0%) |  |
 2 | 60 (63.8%) | 60 (50.0%) |  |
Frequency of fall in past year | Â | Â | 0.001a |
 0 | 54 (57.4%) | 98 (81.7%) |  |
 1 | 30 (31.9%) | 16 (13.3%) |  |
 2 or more | 10 (10.6%) | 6 (5.00%) |  |
Using walking aids | Â | Â | 0.023a |
 No | 87 (92.6%) | 119 (99.2%) |  |
 Yes | 7 (7.45%) | 1 (0.83%) |  |
Number of comorbidities | Â | Â | 0.001a |
 0 | 5 (5.32%) | 29 (24.2%) |  |
 1 | 48 (51.1%) | 52 (43.3%) |  |
 2 | 17 (18.1%) | 21 (17.5%) |  |
 3 or more | 24 (25.5%) | 18 (15.0%) |  |
Take pain relievers | Â | Â | 0.038a |
 No | 52 (55.3%) | 84 (70.0%) |  |
 Yes | 42 (44.7%) | 36 (30.0%) |  |
Pain (scores) | 8.51 ± 3.74 | 5.40 ± 3.33 | < 0.001a |
Stiffness (scores) | 2.93 ± 1.93 | 1.54 ± 1.60 | < 0.001a |
Physical function (scores) | 27.50 ± 12.60 | 15.90 ± 11.00 | < 0.001a |
Social support (scores) | 16.00 ± 2.91 | 17.40 ± 2.82 | < 0.001a |
TUG (seconds) | 14.10 ± 3.73 | 12.20 ± 2.89 | < 0.001a |
SCT (seconds) | 12.00 ± 4.13 | 9.36 ± 2.01 | < 0.001a |