Characteristics of study subjects by smoking
| Characteristic | Smoking status |
||
|---|---|---|---|
| None | Previous | Current | |
| Sex | |||
| Male | 4,502 (22.8) | 7,830 (85.3) | 6,283 (86.1) |
| Female | 21,042 (77.2) | 1,449 (14.7) | 1,210 (13.9) |
| Age (yr) | |||
| 19–29 | 3,465 (20.2) | 672 (10.7) | 1,170 (21.0) |
| 30–49 | 8,103 (35.7) | 2,779 (37.0) | 3,141 (45.8) |
| 50–64 | 7,383 (26.9) | 2,780 (32.1) | 2,150 (25.8) |
| ≥65 | 6,593 (17.2) | 3,048 (20.1) | 1,032 (7.4) |
| Household income |
|||
| Low | 4,796 (15.0) | 1,678 (13.5) | 1,218 (13.2) |
| Middle-low | 6,133 (23.3) | 2,310 (23.5) | 1,894 (24.1) |
| Middle-high | 6,954 (28.9) | 2,499 (29.5) | 2,279 (32.4) |
| High | 7,661 (32.7) | 2,792 (33.5) | 2,102 (30.3) |
| Education | |||
| ≤Elementary school | 5,829 (16.2) | 1,566 (11.4) | 928 (8.2) |
| Middle school | 2,454 (7.9) | 1,061 (9.6) | 765 (8.4) |
| High school | 7,984 (34.8) | 2,991 (33.9) | 3,151 (45.2) |
| ≥College | 9,277 (41.2) | 3,661 (45.1) | 2,649 (38.1) |
| Alcohol consumption |
|||
| No | 23,425 (90.6) | 6,676 (69.5) | 4,267 (55.3) |
| Yes | 2,119 (9.4) | 2,603 (30.5) | 3,226 (44.7) |
| Obesity |
|||
| Underweight | 1,131 (5.1) | 235 (2.5) | 290 (3.8) |
| Normal | 10,684 (42.9) | 2,871 (29.9) | 2,514 (33.2) |
| Overweight | 5,610 (21.2) | 2,429 (25.9) | 1,767 (23.3) |
| Obese | 8,119 (30.8) | 3,744 (41.7) | 2,922 (39.8) |
Values are presented as number (%).
*None: have never smoked cigarettes before, Previous: past smoker, Current: current smoker.
†Low: first quartile, Middle-low: second quartile, Middle-high: third quartile, High: fourth quartile.
‡Yes: high-risk drinking (the weight per serving is 7 or more drinks for men and 5 or more drinks for women, and the weight is 2 or more times a week), No: low-risk drinking.
§Underweight: body mass index (BMI) <18.5 kg/m2, Normal: BMI ≥18.5 to <23 kg/m2, Overweight: BMI ≥23 to ≤25 kg/m2, Obese: BMI >25 kg/m2.
