Table 1 Sociodemographic characteristics of children and parents (n = 1275)
| Â | N (%) |
|---|---|
Province | |
 Guangxi | 451 (35.4) |
 Shaanxi | 438 (34.4) |
 Zhejiang | 386 (30.3) |
Gender of children | |
 Male | 658 (51.6) |
 Female | 617 (48.4) |
Age of children (Mean, SD) | 5.1 (3.1) |
Relationship with children | |
 Father | 228 (17.9) |
 Mother | 1047 (82.1) |
Education level | |
 Middle school and under | 340 (26.7) |
 High school | 345 (27.1) |
 Junior college and above | 590 (46.3) |
Residence | |
 Rural | 533 (41.8) |
 Urban | 742 (58.2) |
Parent with medical background | |
 Yes | 152 (11.9) |
 No | 1123 (88.1) |
Average monthly household income (RMB) | |
  < =3000 (US$461) | 246 (19.3) |
 3001–5000 (US$462–769) | 390 (30.6) |
 5001–10,000 (US$770–1538) | 388 (30.4) |
  > =10,001 (US$1538) | 251 (19.7) |