Table 1. Baseline characteristics of study population.
| Variable | All Subjects |
|---|---|
| (n = 1075) | |
| sex (% male) | 605(56.28%) |
| Age (years) | 64.2±12.35 |
| BMI (kg/ m2) | 25.17±4.15 |
| follow-up duration (months) | 28.21±19.84 |
| CKD at study enrollment | |
| Stage 3 | 304(28.28%) |
| Stage 4 | 403(37.49%) |
| Stage 5 | 368(34.23%) |
| Causes of CKD | |
| diabetes mellitus | 423(39.35%) |
| hypertension | 256(23.81%) |
| Chronic glomerulonephritis | 110(10.23%) |
| Others | 286(26.61%) |
| Marital status | |
| Single | 48(4.47%) |
| Married | 858(79.81%) |
| Widowed | 151(14.05%) |
| Separated | 7(0.65%) |
| Divorced | 11(1.02%) |
| Educational level | |
| Illiterate | 211(19.63%) |
| Primary school | 527(49.02%) |
| Junior high school | 110(10.23%) |
| Senior high school | 128(11.91%) |
| Junior college | 41(3.81%) |
| University & graduate school | 58(5.4%) |
| Current smoker | 277(25.77%) |
Values are expressed as mean ± SD or number (percentage).
CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate; BMI, body mass index.