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被调查家长基本情况(n=1 318)
The basic information of the investigated parents (n=1 318)
| Characteristics | n | % |
| Family role | ||
| Mother | 1 120 | 84.9 |
| Father | 198 | 15.0 |
| Ethnicity | ||
| Han | 1 237 | 93.8 |
| Minority | 81 | 6.1 |
| Highest educational level | ||
| Primary school or below | 11 | 0.8 |
| Junior school | 109 | 8.2 |
| Technical secondary school or high school | 303 | 22.9 |
| College or university | 860 | 65.2 |
| Master degree or above | 35 | 2.6 |
| Annual income(Chinese 10 000 yuan) | ||
| < 5 | 301 | 22.8 |
| ≥5 & < 20 | 794 | 60.2 |
| ≥20 & < 50 | 201 | 15.2 |
| ≥50 | 22 | 1.6 |
