Table 1 Basic information, lifestyle and dietary behaviour of participants.
Variable | Category | N | % |
|---|---|---|---|
Gender | Male | 19,855 | 44.1 |
Female | 25,181 | 55.9 | |
Age (years, mean ± SD) | 56.7 ± 7.6 | ||
Age group (years) | 40–49 | 8846 | 19.6 |
50–59 | 17,799 | 39.5 | |
60–69 | 18,391 | 40.8 | |
Marital status | Married | 42,583 | 94.6 |
Othera | 2453 | 5.4 | |
Education | Illiterate or semi-illiterate | 8287 | 18.4 |
Primary school | 14,922 | 33.1 | |
Secondary school | 16,273 | 36.1 | |
High school and above | 5554 | 12.3 | |
Household size | 0–3 | 18,180 | 40.4 |
4–6 | 24,635 | 54.7 | |
7–9 | 2221 | 4.9 | |
Annual family income (CNY) | < 29,999 | 13,953 | 31.0 |
30,000–59,999 | 15,688 | 34.8 | |
≥ 60,000 | 15,395 | 34.2 | |
Smoking | No | 36,360 | 80.7 |
Yes | 8676 | 19.3 | |
Drinking | No | 37,268 | 82.8 |
Yes | 7768 | 17.2 | |
Fresh vegetables | No | 1517 | 3.4 |
Yes | 43,519 | 96.6 | |
Fresh fruit | No | 16,450 | 36.5 |
Yes | 28,586 | 63.5 | |
Meat, egg and milk | No | 12,374 | 27.5 |
Yes | 32,662 | 72.5 | |
Soy products | No | 13,626 | 30.3 |
Yes | 31,410 | 69.7 | |
Pickled food | No | 38,115 | 84.6 |
Yes | 6921 | 15.4 | |
Fried food | No | 43,685 | 97.0 |
Yes | 1351 | 3.0 | |
Hot food | No | 42,459 | 94.3 |
Yes | 2577 | 5.7 | |
Mouldy food | No | 44,912 | 99.7 |
Yes | 124 | 0.3 |
