Table 1 Demographic and clinical characteristics of total participants
Characteristics | 1999–2000 (N=1328) | 2004–2005 (N=1244) | *P-value |
|---|---|---|---|
Women (N, %) | 619 (46.6) | 578 (46.5) | 0.94 |
Age (mean, s.d.) | 46.9 (15.1) | 49.9 (15.5) | <0.001 |
Age (N, %) | <0.001 | ||
<45 years | 612 (46.1) | 486 (39.1) | |
45–60 years | 392 (29.5) | 386 (31.0) | |
>60 years | 324 (24.4) | 372 (29.9) | |
Education (N, %) | <0.001 | ||
<High school | 782 (59.4) | 320 (26.0) | |
High-school graduate and above | 534 (40.6) | 909 (74.0) | |
eGFR (ml min−1 per 1.73 m2, mean (s.d.)) | 42.4 (39.1) | 48.8 (38.8) | <0.001 |
eGFR (N, %) | <0.001 | ||
⩾60 ml min−1 per 1.73 m2 | 394 (29.7) | 426 (34.2) | |
30–60 ml min−1 per 1.73 m2 | 271 (20.4) | 308 (24.8) | |
<30 ml min−1 per 1.73 m2 | 663 (49.9) | 510 (41.0) | |
Anti-hypertensive therapy (N, %) | 0.01 | ||
Not taking | 213 (16.0) | 202 (16.2) | |
Single drug use | 457 (34.4) | 361 (29.0) | |
Combined drug use | 658 (49.5) | 681 (54.7) | |
Participants from hospital type II (N, %) | 645 (48.6) | 546 (43.9) | 0.017 |
