Table 1 Subjects’ basic characteristics by BMI group
Variable | BMI < 18.5 (N = 490) | [18.5,24) (N = 12,369) | [24,28) (N = 13,622) | > = 28 (6001) | Total (N = 32,482) | P |
|---|---|---|---|---|---|---|
Age(year) | 43.0 ± 14.4 | 45.8 ± 11.7 | 47.6 ± 10.9 | 46.4 ± 11.12 | 46.6 ± 11.3 | < 0.0001 |
HR(beat/min) | 74.4 ± 12.4 | 73.3 ± 10.0 | 73.1 ± 9.47 | 73.9 ± 9.69 | 73.4 ± 9.78 | < 0.0001 |
TC(mmol/L) | 4.66 ± 0.99 | 4.79 ± 1.08 | 4.94 ± 1.19 | 4.98 ± 1.15 | 4.89 ± 1.14 | < 0.0001 |
SBP1 | 114 ± 15.7 | 121 ± 17.5 | 129 ± 18.5 | 134 ± 19.2 | 127 ± 18.9 | < 0.0001 |
SBP2 | 116 ± 16.9 | 123 ± 17.8 | 130 ± 18.1 | 135 ± 18.6 | 128 ± 18.7 | < 0.0001 |
SBP3 | 118 ± 17.6 | 124 ± 17.3 | 131 ± 17.7 | 135 ± 17.9 | 129 ± 18.1 | < 0.0001 |
SBP4 | 118 ± 17.7 | 125 ± 17.8 | 131 ± 17.9 | 135 ± 17.7 | 129 ± 18.3 | < 0.0001 |
SBP5 | 124 ± 18.0 | 131 ± 19.3 | 138 ± 19.3 | 141 ± 18.9 | 136 ± 19.7 | < 0.0001 |
Male,n(%) | 295 (60.2) | 8705 (70.4) | 10,768 (79.0) | 4734 (78.9) | 24,502 (75.4) | < 0.0001 |
Drinking alcohol, n(%) | 64 (13.1) | 2103 (17.0) | 2475 (18.2) | 915 (15.2) | 5557 (17.1) | < 0.0001 |
physical exercise, n(%) | 43 (8.8) | 1556 (12.6) | 1838 (13.5) | 791 (13.2) | 4228 (13.0) | 0.005 |
Salt intake, n(%) | 44 (9.0) | 1125 (9.1) | 1478 (10.9) | 740 (12.3) | 3387 (10.4) | < 0.0001 |
Smoking, n(%) | 160 (32.7) | 4245 (34.3) | 4801 (35.2) | 1999 (33.3) | 11,205 (34.5) | 0.046 |
Dm, n(%) | 20 (4.1) | 516 (4.2) | 1043 (7.7) | 616 (10.3) | 2195 (6.8) | < 0.0001 |
Hypertension, n(%) | 55 (11.2) | 2949 (23.8) | 5489 (40.3) | 3205 (53.4) | 11,698 (36.0) | < 0.0001 |
antihypertensive drugs, n(%) | 3 (0.6) | 471 (3.8) | 1149 (8.4) | 749 (12.5) | 2372 (7.3) | < 0.0001 |
BPV | 11.8 ± 5.82 | 12.2 ± 6.31 | 12.8 ± 6.59 | 13.2 ± 6.85 | 12.64 ± 6.53 | < 0.0001 |
≥mean BPV | 194 (39.6) | 4903 (39.6) | 5859 (44.0) | 2782 (46.4) | 13,868 (42.7) | < 0.0001 |
BPVa | – | 12.00 ± 6.30 | 12.8 ± 6.59 | 13.2 ± 6.85 | 12.6 ± 6.53 | < 0.0001 |
≥mean BPVa | – | 5097 (39.6) | 5859 (44.0) | 2782 (46.4) | 13,868 (42.7) | < 0.0001 |