Table 3.
Population baseline characteristics among non-drinkers at baseline over incident alcohol drinking status (%)
| Characteristics | Overall | Non-drinker | Incident alcohol drinker | P value |
| n=5005 | n=3898 | n=1107 | ||
| Male | 1590 (31.8) | 925 (23.7) | 665 (60.1) | <0.001 |
| Age, years (mean±SD) | 44.3±15.3 | 45.1±15.3 | 41.9±14.8 | <0.001 |
| 18–29 | 1005 (20.2) | 732 (18.8) | 273 (24.7) | <0.001 |
| 30–39 | 1078 (21.5) | 811 (20.8) | 267 (24.1) | |
| 40–49 | 1233 (24.6) | 971 (24.9) | 262 (23.7) | |
| 50–59 | 827 (16.5) | 660 (16.9) | 167 (15.1) | |
| ≥60 | 862 (17.2) | 724 (18.6) | 138 (12.4) | |
| Urban | 1655 (33.1) | 1251 (32.1) | 404 (36.5) | 0.007 |
| Non-Han Chinese | 1988 (39.7) | 1519 (39.0) | 469 (42.4) | 0.045 |
| Unmarried | 959 (19.2) | 708 (18.2) | 251 (22.7) | <0.001 |
| Employed | 4118 (82.3) | 3170 (81.3) | 948 (85.6) | 0.001 |
| Education (≤9 years) | 4442 (88.8) | 3486 (89.4) | 956 (86.4) | 0.005 |
| Annual household income (<¥200 000 CNY)* | 2659 (53.1) | 2122 (54.4) | 537 (48.5) | <0.001 |
| Current smokers | 687 (13.7) | 433 (11.1) | 254 (22.9) | <0.001 |
| Physical activity | 4287 (85.7) | 3384 (86.8) | 903 (81.6) | <0.001 |
| Obesity* | 4627 (92.4) | 3580 (91.8) | 1047 (94.6) | 0.006 |
| History of chronic diseases† | 3256 (65.1) | 2570 (65.9) | 686 (62.0) | 0.016 |
*Missing value.
†Chronic diseases include diabetes mellitus, hypertension and dyslipidaemia at baseline.
CNY, Chinese Yuan.