Table 1.
Characteristics of the participants
| Number | Weighted proportion | |
|---|---|---|
| Sex | ||
| Men | 1154 | 34.57% |
| Women | 2184 | 65.43% |
| Age (years) | ||
| < 40 | 1845 | 55.27% |
| 40–65 | 1387 | 41.55% |
| ≥ 65 | 106 | 3.18% |
| Education level (years) | ||
| Primary school or illiteracy (≤ 6) | 57 | 1.71% |
| Middle or high school (6–12) | 618 | 18.51% |
| College or university (12–16) | 1669 | 50.00% |
| Postgraduate (≥ 16) | 994 | 29.78% |
| Type of job | ||
| Nonmanual | 2580 | 77.29% |
| Manual | 405 | 12.13% |
| Retired | 353 | 10.58% |
| Income group (yuan/month)1 | ||
| 0–2000 | 366 | 10.9 6% |
| 2000–5000 | 978 | 29.30% |
| 5000–10,000 | 1229 | 36.82% |
| > 10,000 | 765 | 22.92% |
| Type of residence2 | ||
| City | 2894 | 86.70% |
| Town | 290 | 8.69% |
| Rural area | 154 | 4.61% |
| Dementia contact | ||
| Yes | 1101 | 32.98% |
| No | 1676 | 50.21% |
| Unclear | 561 | 16.81% |
1 1 yuan ≈ 0.14 dollar. 2 “City” refers to the centre area of the big city. “Town” is defined as all the surrounding districts and county cities. “Rural area” mainly involves remote residential villages