Descriptive statistics of sociodemographic characteristics (n=239)
| Variable | n | % | |
| Gender | |||
| Male | 143 | 59.8 | |
| Female | 96 | 40.2 | |
| Age (years) | |||
| 18–44 | 46 | 19.2 | |
| 45–59 | 100 | 41.8 | |
| ≥60 | 93 | 38.9 | |
| Education level | |||
| Elementary school | 26 | 10.9 | |
| Secondary school | 126 | 52.7 | |
| University and above | 87 | 36.4 | |
| Employed status | |||
| On duty | 10 | 4.2 | |
| Part-time job | 37 | 15.5 | |
| Off duty | 192 | 80.3 | |
| Protopathy | |||
| Hypertension | 52 | 21.8 | |
| Diabetes | 48 | 20.1 | |
| Chronic nephritis | 105 | 43.9 | |
| Polycystic kidney | 20 | 8.4 | |
| Others | 14 | 5.9 | |
| Duration of the maintenance haemodialysis (years） | |||
| <1 | 54 | 22.6 | |
| 1–3 | 42 | 17.6 | |
| 3–7 | 72 | 30.1 | |
| ≥7 | 71 | 29.7 | |