Table 2.
Smoking status by different characteristics
| Variables | Total n (%) |
Current non-smoker n (%) |
Current smoker n (%) |
P-value |
|---|---|---|---|---|
| Area of residence | < 0.001 | |||
| Eastern regions | 5133 (57.1) | 2377 (46.3) | 2756 (53.7) | |
| Central regions | 1812 (20.2) | 774 (42.7) | 1038 (57.3) | |
| Western regions | 2045 (22.7) | 815 (39.9) | 1230 (60.1) | |
| Gender | < 0.001 | |||
| Male | 8623 (95.9) | 3737 (43.3) | 4886 (56.7) | |
| Female | 367 (4.1) | 229 (62.4) | 138 (37.6) | |
| Age | < 0.001 | |||
| 18–34 years | 3054 (34.0) | 1248 (40.9) | 1806 (59.1) | |
| 35–44 years | 3941 (43.8) | 1782 (45.2) | 2159 (54.8) | |
| ≥ 45 years old | 1995 (22.2) | 936 (46.9) | 1059 (53.1) | |
| Marital status | 0.107 | |||
| Unmarried | 610 (6.8) | 266 (43.6) | 344 (56.4) | |
| Married | 7662 (85.2) | 3428 (44.7) | 4234 (55.3) | |
| Divorced/Widowed/Remarried/Others | 718 (8.0) | 272 (37.9) | 446 (62.1) | |
| Educational level | 0.827 | |||
| Junior high school and below | 2495 (27.8) | 1122 (45.0) | 1373 (55.0) | |
| Vocational/Technical secondary school/High school | 4635 (51.6) | 1995 (43.0) | 2640 (57.0) | |
| Junior college and above | 1860 (20.7) | 849 (45.6) | 1011 (54.4) | |
| The ratio of family burden | 0.244 | |||
| Less than the gross dependency coefficient | 1220 (13.6) | 1906 (44.5) | 2374 (55.5) | |
| Equal or more than the gross dependency coefficient | 7770 (86.4) | 2060 (43.7) | 2650 (56.3) | |
| working years as a full-time driver | 0.399 | |||
| < 5 years | 6019 (67.0) | 2662 (44.2) | 3357 (55.8) | |
| 5–10 years | 1501 (16.7) | 679 (45.2) | 822 (54.8) | |
| > 10 years | 1470 (16.4) | 625 (42.5) | 845 (57.5) | |
| working hours per day | 0.005 | |||
| < 10 h | 3939 (43.8) | 1801 (45.7) | 2138 (54.3) | |
| 10–12 h | 2822 (31.4) | 1226 (43.4) | 1596 (56.6) | |
| > 12 h | 2229 (24.8) | 939 (42.1) | 1290 (57.9) | |
| Period of work | < 0.001 | |||
| Daytime | 2581 (28.7) | 1282 (49.7) | 1299 (50.3) | |
| Night | 246 (2.7) | 84 (34.1) | 162 (65.9) | |
| Both daytime and night | 4624 (51.4) | 1959 (42.4) | 2665 (57.6) | |
| Non-fixed working time | 1539 (17.1) | 641 (41.7) | 898 (58.3) | |
| Time spent per day outside the car to relax during work | 0.266 | |||
| < 5 min | 4355 (48.4) | 1952 (44.8) | 2403 (55.2) | |
| 5–10 min | 3270 (36.4) | 1419 (43.4) | 1851 (56.6) | |
| > 10 min | 1365 (15.2) | 595 (43.6) | 770 (56.4) | |
| Experiences of chronic illness | 0.993 | |||
| Yes | 6240 (69.4) | 2753 (44.1) | 3487 (55.9) | |
| No | 2750 (30.6) | 1213 (44.1) | 1537 (55.9) | |
| Self–reported health | 0.012 | |||
| Good | 2831 (31.5) | 1308 (46.2) | 1523 (53.8) | |
| General | 3637 (40.5) | 1577 (43.4) | 2060 (56.6) | |
| Poor | 2522 (28.1) | 1081 (42.9) | 1441 (57.1) | |
| Feelings of anxiety | < 0.001 | |||
| Never | 3225 (35.9) | 1511 (46.9) | 1714 (53.1) | |
| Occasionally | 3546 (39.4) | 1534 (43.3) | 2012 (56.7) | |
| Frequently | 2219 (24.7) | 921 (41.5) | 1298 (58.5) | |
| Current drinker | < 0.001 | |||
| Yes | 4325 (48.1) | 1610 (37.2) | 2715 (62.8) | |
| No | 4665 (51.9) | 2356 (50.5) | 2309 (49.5) | |
| Eating habits | < 0.001 | |||
| Extremely regular | 2621 (29.2) | 1332 (50.8) | 1289 (49.2) | |
| Regular in general | 1924 (21.4) | 922 (47.9) | 1002 (52.1) | |
| Extremely irregularly | 4445 (49.4) | 1712 (38.5) | 2733 (61.5) | |
| Choice of place to eat | < 0.001 | |||
| mainly eating at home | 3795 (42.2) | 1808 (47.6) | 1987 (52.4) | |
| mainly eating out | 5195 (57.8) | 2158 (41.5) | 3037 (58.5) | |
| Sleep duration per day | < 0.001 | |||
| < 6 h | 2407 (26.8) | 957 (39.8) | 1450 (60.2) | |
| 6–8 h | 5737 (63.8) | 2608 (45.5) | 3129 (54.5) | |
| > 8 h | 846 (9.4) | 401 (47.4) | 445 (52.6) | |
| The number of days in a week of engaging in at least 10 min of moderate or vigorous exercise | < 0.001 | |||
| 0 day | 5281 (58.7) | 2185 (41.4) | 3096 (58.6) | |
| 1–2 days | 2803 (31.2) | 1285 (45.8) | 1518 (54.2) | |
| ≥ 3 days | 906 (10.1) | 496 (54.7) | 410 (45.3) | |
| Level of the initiative to acquire health knowledge | < 0.001 | |||
| Never | 1724 (19.2) | 647 (37.5) | 1077 (62.5) | |
| Occasionally | 4471 (49.7) | 1864 (41.7) | 2607 (58.3) | |
| Frequently | 2795 (31.1) | 1455 (52.1) | 1340 (47.9) | |
| Weight status | < 0.001 | |||
| Underweight | 394 (4.4) | 139 (35.3) | 255 (64.7) | |
| Normal weight | 3815 (42.4) | 1619 (42.4) | 2196 (57.6) | |
| Overweight | 4781 (53.2) | 2208 (46.2) | 2573 (53.8) |