Table 1.
Baseline clinical characteristics of participants
| Characteristics | Total | Gender | ||
| Female | Male | P value | ||
| Age (year) | 58.80±8.64 | 58.83±8.72 | 58.75±8.54 | 0.880 |
| Gender | ||||
| Female | 1690 (54.10%) | NA | NA | |
| Male | 1434 (45.90%) | NA | NA | |
| BMI (kg/m2) | 23.72±3.43 | 23.94±3.53 | 23.47±3.30 | <0.001 |
| HBP | 0.075 | |||
| No | 2283 (73.08%) | 1257 (74.38%) | 1026 (71.55%) | |
| Yes | 841 (26.92%) | 433 (25.62%) | 408 (28.45%) | |
| LDL-C (mmol/L) | 3.14±1.00 | 3.24±0.98 | 3.02±1.01 | <0.001 |
| HDL-C (mmol/L) | 1.46±0.45 | 1.48±0.44 | 1.43±0.45 | <0.001 |
| TC (mmol/L) | 5.05±0.98 | 5.15±0.99 | 4.94±0.96 | <0.001 |
| Smoking status | <0.001 | |||
| No | 2123 (67.96%) | 1628 (96.33%) | 495 (34.52%) | |
| Ever | 106 (3.39%) | 6 (0.36%) | 100 (6.97%) | |
| Current | 895 (28.65%) | 56 (3.31%) | 839 (58.51%) | |
| Drinking status | <0.001 | |||
| No | 2058 (65.88%) | 1535 (90.83%) | 523 (36.47%) | |
| Ever/current | 1066 (34.12%) | 155 (9.17%) | 911 (63.53%) | |
| Diabetes | 0.009 | |||
| No | 2713 (86.84%) | 1475 (87.28%) | 1238 (86.33%) | |
| Yes | 411 (13.16%) | 215 (12.72%) | 196 (13.67%) | |
| Site | 0.992 | |||
| Urban | 906 (29.00%) | 490 (28.99%) | 416 (29.01%) | |
| Rural | 2218 (71.00%) | 1200 (71.01%) | 1018 (70.99%) | |
| Stroke type | 0.072 | |||
| Ischaemic stroke | 37 (39.78%) | 15 (37.50%) | 22 (41.51%) | |
| Haemorrhagic stroke | 25 (26.88%) | 7 (17.50%) | 18 (33.96%) | |
| Unknown | 31 (33.33%) | 18 (45.00%) | 13 (24.53%) | |
BMI, body mass index; HBP, hypertension; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; NA, not applicable; TC, total cholesterol.