Table 1 General characteristics of study participants, n (%)
Characteristics | Total subjects | Different area | |||
|---|---|---|---|---|---|
Beijing (N = 761) | Jiangsu (N = 758) | Shandong (N = 753) | P-Value | ||
Sex | 0.089 | ||||
Male | 977 (43.0) | 344 (45.2) | 333 (43.9) | 300 (39.8) | |
Female | 1295 (57.0) | 417 (54.8) | 425 (56.1) | 453 (60.2) | |
Age group (y) | 0.002 | ||||
< 65 | 1091 (48.0) | 337 (44.3) | 402 (53.0) | 352 (46.7) | |
≥ 65 | 1181 (52.0) | 424 (55.7) | 356 (47.0) | 401 (53.3) | |
Location of living | |||||
Urban | 1141 (50.2) | 383 (50.3) | 380 (49.8) | 378 (50.2) | 0.944 |
Rural | 1131 (49.8) | 378 (49.7) | 378 (50.2) | 375 (49.8) | |
Educational level | < 0.001 | ||||
Intermediate school or lower | 1761 (77.5) | 506 (66.5) | 550 (72.6) | 705 (93.6) | |
Middle and High school | 359 (15.8) | 175 (23.0) | 142 (18.7) | 42 (5.6) | |
≥ College graduate | 152 (6.7) | 80 (10.5) | 66 (8.7) | 6 (0.8) | |
Duration of hypertension (y) | < 0.001 | ||||
< 5 | 829 (36.5) | 226 (29.7) | 269 (35.5) | 334 (44.4) | |
5–9 | 673 (29.6) | 251 (33.0) | 194 (25.6) | 228 (30.3) | |
≥ 10 | 770 (33.9) | 284 (37.3) | 295 (38.9) | 191 (25.4) | |
Family history and medical history | |||||
Family history of ISCVD | 390 (17.2) | 173 (22.7) | 125 (16.5) | 92 (12.2) | < 0.001 |
History of ISCVD | 240 (10.6) | 118 (15.5) | 69 (9.1) | 53 (7.0) | < 0.001 |
History of diabetes | 458 (20.2) | 190 (25.0) | 142 (18.7) | 126 (16.7) | < 0.001 |
Lifestyle | |||||
Current smoking | 378 (16.6) | 89 (11.7) | 162 (21.4) | 127 (16.9) | < 0.001 |
Current drinking | 412 (18.1) | 111 (14.6) | 168 (22.2) | 133 (17.7) | 0.001 |
Overweight or obesity | 1516 (66.7) | 386 (50.7) | 518 (68.3) | 612 (81.3) | < 0.001 |