Table 1. Demographic distributions of the study subjects according to characteristics.
| Characteristics | Category | Total | Men | Women |
|---|---|---|---|---|
| No. (%*) | No. (%*) | No. (%*) | ||
| Total | - | 4,752 (100) | 2,197 (52.76) | 2,555 (47.24) |
| Age (years) | 19–29 | 457 (19.42) | 229 (19.67) | 228 (19.14) |
| 30–39 | 868 (21.72) | 390 (22.38) | 478 (21.00) | |
| 40–49 | 1,003 (23.12) | 451 (23.71) | 552 (22.45) | |
| 50–59 | 1,051 (18.80) | 454 (18.84) | 597 (18.75) | |
| 60–69 | 858 (9.14) | 418 (9.00) | 440 (9.29) | |
| ≥ 70 | 515 (7.80) | 255 (6.40) | 260 (9.37) | |
| Marital status | Single | 974 (26.69) | 401 (26.05) | 573 (27.41) |
| Married | 3,778 (73.31) | 1,796 (73.95) | 1,982 (72.59) | |
| Household income | 1st quartile | 1,080 (15.61) | 460 (13.72) | 620 (17.72) |
| 2nd quartile | 1,234 (24.06) | 577 (23.55) | 657 (24.62) | |
| 3rd quartile | 1,328 (32.34) | 640 (34.31) | 688 (30.15) | |
| 4th quartile | 1,110 (27.99) | 520 (28.42) | 590 (27.51) | |
| Education | ≤ Middle school | 1,467 (19.77) | 562 (15.49) | 905 (24.55) |
| High school | 1,474 (30.96) | 669 (30.21) | 805 (31.80) | |
| ≥ College | 1,811 (49.27) | 966 (54.30) | 845 (43.65) | |
| Smoking status | Non-smoker† | 3,833 (76.86) | 1,380 (59.78) | 2,453 (95.93) |
| Current-smoker | 919 (23.14) | 817 (40.22) | 102 (4.07) | |
| Exercise | No | 3,472 (73.65) | 1,559 (70.62) | 1,913 (77.04) |
| Yes‡ | 1,280 (26.35) | 638 (29.38) | 642 (22.96) | |
| Drinking | None | 1,509 (27.30) | 341 (7.67) | 1,168 (19.63) |
| Light drinker§ | 1,541 (32.02) | 618 (15.15) | 923 (16.87) | |
| Heavy drinker‖ | 1,702 (40.68) | 1,238 (29.94) | 464 (10.75) | |
| Body mass index | Normal/under weight | 2,952 (63.65) | 1,274 (57.04) | 1,678 (71.03) |
| Overweight | 1,535 (30.42) | 798 (35.99) | 737 (24.19) | |
| Obese | 265 (5.93) | 125 (6.97) | 140 (4.78) |
*Weighted percentages after accounting for the sampling design; †Non-smoker: never smoked or quit smoking; ‡Exercise: exercising ≥ 3 times a week for ≥ 20 minutes with sweating; §Light drinker: drinking less than heavy drinker; ‖Heavy drinker: drinking ≥ 2 times a week and ≥ 7 glasses for men (5 glasses for women).