Table 1 Socio-demographic and clinical characteristics of the sample (N = 305)
Variables | n (%) or M (P25, P75) |
|---|---|
Age, years | 67.0 (59.0, 72.0) |
 < 65 | 142 (46.6) |
 ≥ 65 | 163 (53.4) |
Gender | |
 Male | 192 (63.0) |
 Female | 113 (37.1) |
Education level | |
 Junior high school and below | 143 (46.9) |
 Senior high school | 87 (28.5) |
 Senior high school above | 75 (24.6) |
Place of residence | |
 Rural | 24 (7.9) |
 Urban | 281 (92.1) |
Marital status | |
 Married | 252 (82.6) |
 Unmarried, divorced or widowed | 53 (17.4) |
Per capita monthly household income | |
 < 2,000 Yuan RMB (approximately 280.4341 US$) | 91 (29.8) |
 2,000–5,000 Yuan RMB (approximately 280.4341–701.0853 US$) | 107 (35.1) |
 > 5,000 Yuan RMB (approximately 701.0853 US$) | 107 (35.1) |
Health insurance | |
 No | 6 (2.0) |
 Yes | 299 (98.0) |
Primary cause | |
 Glomerulonephritis | 81 (26.6) |
 Diabetic nephropathy | 79 (25.9) |
 Hypertensive nephropathy | 83 (27.2) |
 Polycystic kidney/nephrotic syndrome | 28 (9.2) |
 unknown | 34 (11.2) |
Duration of MHD since diagnosis, years | |
 < 2 | 63 (20.7) |
 2–5 | 151 (49.5) |
 5–10 | 53 (17.4) |
 > 10 | 38 (12.5) |
 Serum phosphorus (mmol/L) | 1.76 (1.42, 2.18) |
 Serum calcium (mmol/L) | 2.28 (2.16, 2.42) |
 Hemoglobin (g/L) | 110.0 (97.5, 120.0) |
 Intact parathyroid hormone (pg/ml) | 169.70 (87.44, 281.9) |
 Clearance index of urea (Kt/V) | 1.47 (1.28, 1.65) |