Table 1 Baseline characteristics of study populations
Anemiaa | ||||
|---|---|---|---|---|
Totalb | No | Yes | p Value | |
All individuals, n (%) | 37,900 | 32,872 (86.7) | 5028 (13.3) | |
Sex, n (%) | < 0.001 | |||
Male | 18,565 (49.0) | 16,583 (89.3) | 1982 (10.7) | |
Female | 19,335 (51.0) | 16,289 (84.2) | 3046 (15.8) | |
Baseline KDSQ-P scorec, n (%) | 0.930 | |||
< 4 | 30,967 (81.7) | 26,861 (86.7) | 4106 (13.3) | |
≥ 4 | 6933 (18.3) | 6011 (86.7) | 922 (13.3) | |
Body mass index, kg/m2, n (%) | < 0.001 | |||
< 18.5 | 831 (2.2) | 609 (73.3) | 222 (26.7) | |
18.5–24.9 | 23,074 (60.9) | 19,775 (85.7) | 3299 (14.3) | |
≥ 25 | 12,995 (36.9) | 12,488 (89.2) | 1507 (10.8) | |
Smoking status, n (%) | < 0.001 | |||
Never | 26,722 (70.5) | 22,864 (85.6) | 3858 (14.4) | |
Former | 6310 (16.7) | 5626 (89.2) | 684 (10.8) | |
Current | 4868 (12.8) | 4382 (90.0) | 486 (10.0) | |
Household income status percentiles, n (%) | 0.001 | |||
≤ 20 (low) | 6972 (18.4) | 5956 (85.4) | 1016 (14.6) | |
30–50 | 8491 (22.4) | 7376 (86.9) | 1115 (13.1) | |
60–80 | 12,153 (32.1) | 10,529 (86.6) | 1624 (13.4) | |
≥ 90 (high) | 10,284 (27.1) | 9011 (87.6) | 1273 (12.4) | |
Disability, n (%) | 0.471 | |||
No | 37,839 (99.8) | 32,821 (86.7) | 5018 (13.3) | |
Yes | 61 (0.2) | 51 (83.6) | 10 (16.4) | |
Depressive symptoms, n (%) | < 0.001 | |||
No | 28,804 (76.0) | 25,081 (87.1) | 3723 (12.9) | |
Yes | 9096 (24.0) | 7791 (85.7) | 1305 (14.3) | |
Hypertension, n (%) | 0.015 | |||
No | 22,017 (58.1) | 19,017 (86.4) | 3000 (13.6) | |
Yes | 15,883 (41.9) | 13,855 (87.2) | 2028 (12.8) | |
Diabetes, n (%) | 0.002 | |||
No | 27,638 (72.9) | 24,064 (87.1) | 3574 (12.9) | |
Yes | 10,262 (27.1) | 8808 (85.8) | 1454 (14.2) | |
Dyslipidemia, n (%) | 0.141 | |||
No | 29,195 (77.0) | 25,281 (86.6) | 3914 (13.4) | |
Yes | 8705 (23.0) | 7591 (87.2) | 1114 (12.8) | |
SBP, mmHg mean (SD) | 128.8 (15.7) | 129.1 (15.6) | 126.9 (15.8) | < 0.001 |
FBG, mg/dl, mean (SD) | 102.1 (25.1) | 102.2 (24.9) | 101.5 (26.5) | 0.070 |
TC, mg/dl, mean (SD) | 198.7 (38.1) | 200.0 (37.7) | 190.1 (39.2) | < 0.001 |