Table 1.
Basic characteristic of the enrolled participants
| Variables | Total (N = 1462) |
Normtension (N = 1135) |
Hypertension (N = 327) |
P value |
|---|---|---|---|---|
| Gender | 0.0041 | |||
| Male(n(%)) | 692(40.5) | 437 (38.5) | 155 (47.4) | |
| Female (n(%)) | 870 (59.5) | 698 (61.5) | 172 (52.6) | |
| Mean age (SD) | 59.9 (11.3) | 59.5 (11.4) | 61.4 (10.8) | 0.0082 |
| Educational level | 0.0681 | |||
| Middle school graduate or lower (n(%)) | 467 (31.9) | 349 (30.7) | 118 (36.1) | |
| High school graduate or higher(n(%)) | 995 (68.1) | 786 (69.3) | 209 (63.9) | |
| Marital status | 0.2261 | |||
| Currently married (n(%)) | 1234 (84.4) | 951 (83.8) | 283 (86.5) | |
| Currently not married (n(%)) | 228 (15.6) | 184 (16.2) | 44 (13.5) | |
| Income (yuan) | 0.8061 | |||
| < =2000 (n(%)) | 805 (55.1) | 623 (54.9) | 182 (55.7) | |
| > 2000 (n(%)) | 657 (44.9) | 512 (45.1) | 145 (44.3) | |
| Family history of hypertension(n(%)) | 266 (18.2) | 194 (17.1) | 72 (22.0) | 0.0421 |
| Smoking(%) | 416 (28.5) | 311 (27.4) | 105 (32.1) | 0.0961 |
| BMI (kg/m2) (M(P25,P75)) | 24.3 (22.1,26.5) | 23.8 (21.9,26.1) | 25.5 (23.6,27.7) | < 0.0013 |
| WC (cm) (M(P25,P75)) | 85.0 (80.0,91.0) | 83.0 (78.0,90.0) | 90.0 (83.0,96.0) | < 0.0013 |
| SBP (mmHg) (M(P25,P75)) | 132 (125,140) | 130 (120,135) | 150 (145,160) | < 0.0013 |
| DBP (mmHg) (M(P25,P75)) | 80 (72,85) | 80 (70,83) | 90 (80,100) | < 0.0013 |
| FPG (mmol/L) (M(P25,P75)) | 4.9 (4.5,5.4) | 4.8 (4.4,5.3) | 4.9 (4.5,5.5) | 0.0373 |
| TG (mmol/L) (M(P25,P75)) | 1.4 (0.9,1.9) | 1.3 (0.9,1.8) | 1.6 (1.1,2.3) | < 0.0013 |
| HbA1c(%) (M(P25,P75)) | 5.0 (4.4,5.6) | 4.9 (4.4,5.5) | 5.1 (4.6,5.8) | 0.0023 |
1: Chi-squared test; 2:t-test; 3: Wilcoxon rank sum test