Table 1 Demographic and sociological characteristics of participants
Variables | Items | Number | Percentage (%) |
|---|---|---|---|
Gender | Male | 6222 | 40.1 |
Female | 9304 | 59.9 | |
Age (years old) | 18–29 | 6347 | 40.9 |
30–44 | 5262 | 33.9 | |
≥ 45 | 3917 | 25.2 | |
Place of residence | Urban | 10,991 | 70.8 |
Rural | 4535 | 29.2 | |
Region in China | Eastern | 2293 | 14.8 |
Central | 6489 | 41.8 | |
Western | 6744 | 43.4 | |
Education level | Junior high school or below | 2342 | 15.1 |
High school | 3207 | 20.7 | |
Junior college or above | 9977 | 64.3 | |
Self-perceived economic status | Good | 1808 | 11.6 |
Average | 11,672 | 75.2 | |
Poor | 2046 | 13.2 | |
Self-perceived health status | Good | 7620 | 49.1 |
Average | 6845 | 44.1 | |
Poor | 1061 | 6.8 |