Table 1 Characteristics of participants in Three Gorges Reservoir Region, China
Variables | Male (n = 1777) | Female (n = 1944) | Total | X2/t | P value |
|---|---|---|---|---|---|
Age (%) | Â | Â | Â | Â | Â |
18-29 | 319 (18.0) | 328 (16.9) | 647 (17.4) | 3.413 | 0.637 |
30-39 | 328 (18.5) | 334 (17.2) | 662 (17.8) | ||
40-49 | 373 (21.0) | 437 (22.5) | 810 (21.8) | ||
50-59 | 323 (18.2) | 376 (19.3) | 699 (18.8) | ||
60-69 | 252 (14.2) | 264 (13.6) | 516 (13.9) | ||
>70 | 182 (10.2) | 205 (10.5) | 387 (10.4) | ||
Marital status (%) | Â | Â | Â | Â | Â |
Unmarried | 180 (10.1) | 125 (6.4) | 305 (8.2) | 28.143 | <0.001 |
Married | 1490 (83.8) | 1639 (84.3) | 3129 (84.1) | ||
Widowed or divorces | 107 (6.0) | 180 (9.3) | 287 (7.7) | ||
Education level (%) | Â | Â | Â | Â | Â |
Lower than primary school | 745 (41.9) | 1083 (55.7) | 1828 (49.1) | 75.836 | <0.001 |
Junior middle school | 575 (32.4) | 519 (26.7) | 1094 (29.4) | ||
Senior middle school | 320 (18.0) | 252 (13.0) | 572 (15.4) | ||
College and above | 137 (7.7) | 90 (4.6) | 227 (6.1) | ||
Occupation (%) | Â | Â | Â | ||
Peasant | 936 (52.7) | 1090 (56.1) | 2026 (54.4) | 68.183 | <0.001 |
Laborer | 396 (22.3) | 252 (13.0) | 648 (17.4) | ||
Retiree or House worker | 300 (16.9) | 455 (23.4) | 755 (20.3) | ||
Others | 145 (8.2) | 147 (7.6) | 292 (7.8) | ||
Income (%) | Â | Â | Â | Â | Â |
Lower than 5000 RMB/Year | 249 (14.0) | 333 (17.1) | 582 (15.6) | 501.912 | <0.001 |
5000-9999 RMB/year | 529 (29.8) | 513 (26.4) | 1042 (28.0) | ||
10000-49999 RMB/year | 216 (12.2) | 158 (8.1) | 374 (10.1) | ||
>500000 RMB/year | 275 (15.5) | 278 (14.3) | 553 (14.9) | ||
Refuse to answer | 508 (28.6) | 662 (34.1) | 1170 (31.4) | ||
BMI (means ± SD, kg/m2) | 23.0 ± 3.0 | 23.3 ± 3.3 | 23.1 ± 3.2 | -1.976 | 0.048 |
Waist circumference (means ± SD, cm) | 78.9 ± 9.2 | 76.5 ± 9.2 | 77.6 ± 9.3 | 8.083 | <0.001 |
Smoking (%) | 664 (37.4) | 142 (7.3) | 806 (20.2) | 4.940 | <0.001 |
Drinking (%) | 498 (28.0) | 199(10.2) | 697 (18.7) | 1.930 | <0.001 |
Vegetable intake (%) | Â | Â | Â | Â | Â |
Less than 1 time per day | 128 (7.2) | 132 (6.8) | 260 (7.0) | 3.695 | 0.158 |
1 or 2 times per day | 252(14.2) | 237 (12.2) | 489 (13.1) | ||
3 times per day | 1397 (78.6) | 1575 (81.0) | 2972 (79.9) | ||
Sedentary lifestyle time per day (%) | Â | Â | Â | Â | Â |
Less than 3Â hours | 1066 (60.0) | 1240 (63.8) | 2306 (61.9) | 8.042 | 0.018 |
3-6 hours | 505 (28.4) | 525 (27.0) | 1030 (27.7) | ||
More than 6Â hours | 206 (11.6) | 181 (9.3) | 387 (10.4) | ||
Family history of hypertension (%) | 294 (16.5) | 374 (19.2) | 668 (18.0) | 3.793 | 0.150 |
Family history of diabetes (%) | 275 (15.5) | 284 (14.6) | 559 (15.0) | 1.558 | 0.459 |
Fasting glucose (mean ± SD, mmol/L) | 5.5 ± 2.5 | 5.5 ± 1.7 | 5.1 ± 2.1 | 442.4 | 0.019 |
Overweight (%) | 466 (26.2) | 527 (27.1) | 988 (26.6) | 0.372 | 0.542 |
Obesity (%) | 101 (5.7) | 127 (6.5) | 215 (5.8) | 1.164 | 0.281 |
Central obesity (%) | 448 (25.2) | 690 (35.5) | 1138 (30.6) | 46.238 | <0.001 |
Hypertension (%) | 524 (29.5) | 572 (29.4) | 1096 (29.5) | 0.002 | 0.966 |