Table 1 Characteristics of study participants categorized by a new-onset stroke occurrence at baseline (N = 7070)
|  | Total (n = 7070) | Non-Stroke (n = 6653) | Stroke (n = 417) | P |
|---|---|---|---|---|
Age, n (%) |  |  |  |  < 0.010 |
 45–60 | 4106 (58.1) | 3914 (58.8) | 192 (46.0) |  |
 > 60 | 2964 (41.9) | 2739 (41.2) | 225 (54.0) |  |
Sex, n (%) | Â | Â | Â | 0.530 |
 Male | 3158 (44.7) | 2965 (44.6) | 193 (46.3) |  |
 Female | 3912 (55.3) | 3688 (55.4) | 224 (53.7) |  |
Marital Status, n (%) | Â | Â | Â | 0.010 |
 Married | 6310 (89.3) | 5954 (89.5) | 356 (85.4) |  |
 Alone | 760 (10.8) | 699 (10.5) | 61 (14.6) |  |
Education, n (%) | Â | Â | Â | 0.190 |
 Primary school or below | 4941 (69.9) | 4634 (69.7) | 307 (73.6) |  |
 Middle school | 1439 (20.4) | 1368 (20.6) | 71 (17.0) |  |
 High school or above | 690 (9.8) | 651 (9.8) | 39 (9.4) |  |
Location, n (%) | Â | Â | Â | 0.660 |
 Village | 451 (6.4) | 427 (6.4) | 24 (5.8) |  |
 City | 6619 (93.6) | 6226 (93.6) | 393 (94.2) |  |
Smoking, n (%) | Â | Â | Â | 0.010 |
 Non-smoker | 4416 (62.5) | 4169 (62.7) | 247 (59.2) |  |
 Ex-smoker | 526 (7.4) | 480 (7.2) | 46 (11.0) |  |
 Current smoker | 2128 (30.1) | 2004 (30.1) | 124 (29.7) |  |
Drinking, n (%) | Â | Â | Â | 0.970 |
 None of these | 4727 (66.9) | 4448 (66.9) | 279 (66.9) |  |
 Drink but less than once a month | 564 (8.0) | 532 (8.0) | 32 (7.7) |  |
 Drink more than once a month | 1779 (25.2) | 1673 (25.2) | 106 (25.4) |  |
BMI (kg/m2) | 23.0 (20.9, 25.5) | 23.0 (20.8, 25.5) | 23.8 (21.6, 26.6) |  < 0.010 |
WC (cm) | 84.0 (77.8, 91.0) | 84.0 (77.5, 91.0) | 88.0 (80.6, 95.0) |  < 0.010 |
Diabetesa, n (%) |  |  |  |  < 0.010 |
 No | 6017 (85.1) | 5686 (85.5) | 331 (79.1) |  |
 Yes | 1053 (14.9) | 967 (14.5) | 86 (20.9) |  |
Hypertensiona, n (%) |  |  |  |  < 0.010 |
 No | 4443 (62.8) | 4273 (64.2) | 170 (40.8) |  |
 Yes | 2627 (37.2) | 2380 (35.8) | 247 (59.2) |  |
TG (mg/dl) | 103.5 (74.3, 146.0) | 102.7 (73.5, 146.0) | 113.3 (85.9, 153.1) |  < 0.010 |
HDL-C (mg/dl) | 49.8 (41.0, 60.3) | 49.9 (41.0, 60.3) | 47.2 (39.4, 57.2) |  < 0.010 |
LDL-C (mg/dl) | 113.7 (93.6, 135.3) | 113.7 (93.6, 135.3) | 117.1 (95.1,139.6) | 0.020 |
CRP (mg/l) | 0.9 (0.5, 1.9) | 0.9 (0.5, 1.8) | 1.2 (0.6, 2.2) |  < 0.010 |
CVAI | 93.9 (64.1, 124.4) | 92.8 (62.8, 123.2) | 112.7 (83.6, 141.3) |  < 0.010 |
Quartiles of CVAI, n (%) |  |  |  |  < 0.010 |
 Q1 | 1768 (25.0) | 1710 (25.7) | 58 (13.9) |  |
 Q2 | 1767 (25.0) | 1681 (25.3) | 86 (20.6) |  |
 Q3 | 1767 (25.0) | 1656 (24.9) | 111 (26.6) |  |
 Q4 | 1768 (25.0) | 1606 (24.1) | 162 (38.9) |  |