Characteristics | All patients (568) | Depressive symptoms | p-value | |
---|---|---|---|---|
Non depression group (n = 375) | Depression group (n = 193) | |||
Demographics | Â | Â | Â | Â |
 Age (years) | 59 (49–67) | 58 (49–67) | 60 (47–67) | 0.773 |
 Male (n, %) | 359 (63.20) | 246 (65.60) | 113 (58.55) | 0.099 |
 Time on dialysis (months) | 50 (22–104) | 48 (21–105) | 56 (25–103) | 0.386 |
 BMI (kg/m2) | 23.91 (21.48–26.35) | 23.88 (21.64–26.51) | 23.96 (21.42–26.21) | 0.579 |
 Physical activity (MET/min/week) | 489 (0−1386) | 594 (0−1386) | 264 (0−897) | < 0.001 |
 Primary kidney disease (n, %) |  |  |  | 0.811 |
  Diabetic nephropathy | 179 (31.51) | 113 (30.13) | 66 (34.20) |  |
  Glomerulonephritis | 210 (36.97) | 142 (37.87) | 68 (35.23) |  |
  Hypertensive benign renal arteriosclerosis | 70 (12.32) | 49 (13.07) | 21 (10.88) |  |
  Polycystic kidney | 37 (6.51) | 25 (6.67) | 12 (6.22) |  |
  Others | 72 (12.68) | 46 (12.27) | 26 (13.47) |  |
 Educational level (n, %) |  |  |  | 0.057 |
  Junior secondary or below | 259 (45.60) | 177 (47.20) | 82 (42.49) |  |
  Senior high school/technical secondary school | 173 (30.46) | 102 (27.20) | 71 (36.79) |  |
  Junior college/university or above | 136 (23.94) | 96 (25.60) | 40 (20.73) |  |
 Marital status (n, %) |  |  |  | 0.002 |
  Unmarried | 56 (9.86) | 29 (7.73) | 27 (13.99) |  |
  Married | 436 (76.76) | 306 (81.60) | 130 (67.36) |  |
  Divorced | 39 (6.87) | 22 (5.87) | 17 (8.81) |  |
  Widowed | 37 (6.51) | 18 (4.80) | 19 (9.84) |  |
 Annual family income (RMB thousand yuan), (n, %) |  |  |  | 0.039 |
  < 50 | 169 (29.75) | 101 (26.93) | 68 (35.23) |  |
  50 to < 100 | 259 (45.60) | 171 (45.60) | 88 (45.60) |  |
  ≥ 100 | 140 (24.65) | 103 (27.47) | 37 (19.17) |  |
 Current or former smoker, (n, %) | 259 (45.60) | 174 (46.40) | 85 (44.04) | 0.593 |
 Current or former drinker, (n, %) | 211 (37.15) | 140 (37.33) | 71 (36.79) | 0.899 |
 Co-morbid conditions, (n, %) |  |  |  | 0.084 |
  Diabetes | 225 (39.61) | 152 (40.53) | 73 (37.82) |  |
  Hypertension | 476 (83.80) | 321 (85.60) | 155 (80.31) |  |
  CVD | 332 (58.45) | 228 (60.80) | 104 (53.89) |  |
Laboratory parameters | Â | Â | Â | Â |
 Hemoglobin (g/L) | 114 (106–122) | 113 (105–122) | 115 (107–123) | 0.506 |
 Albumin (g/L) | 41.70 ± 2.96 | 41.81 ± 2.85 | 41.47 ± 3.16 | 0.194 |
 Calcium (mmol/L) | 2.14 (2.03–2.25) | 2.13 (2.03–2.25) | 2.14 (2.03–2.25) | 0.865 |
 Phosphorus (mmol/L) | 2.04 (1.69–2.46) | 2.05 (1.69–2.45) | 2.03 (1.68–2.47) | 0.828 |
 Creatinine (µmol/L) | 925 (776–1087) | 929 (784–1099) | 898 (768–1068) | 0.098 |
 C-reactive protein (mg/L) | 3.30 (3.30–6.84) | 3.30 (3.30–6.51) | 3.30 (3.30–7.25) | 0.460 |
 Ferritin (mg/L) | 96.28 (44.84−176.78) | 94.66 (43.09–170.90) | 102.67 (50.53–184.70) | 0.203 |
 Urea nitrogen (mmol/L) | 28.48 (24.65–32.89) | 28.88 (24.59–33.80) | 27.99 (24.67–32.11) | 0.072 |
 spKt/Vurea | 1.32 (1.17–1.49) | 1.32 (1.16–1.48) | 1.32 (1.18–1.50) | 0.540 |
Handgrip strength | Â | Â | Â | Â |
 Absolute handgrip strength (kg) | 23.30 (18.70–28.70) | 24.40 (19.50–30.40) | 20.80 (17.80–26.00) | < 0.001 |
 Weighted handgrip strength (kg/kg) | 0.34 (0.27–0.43) | 0.35 (0.28–0.44) | 0.31 (0.26–0.40) | 0.001 |