Table 2. Social, demographic and clinical characteristics of children and caregivers surveyed in central and western China, 2010.
| Characteristic | No. (%) |
|---|---|
| Children (n = 2354) | |
| Age, months | |
| < 6 | 491 (20.8) |
| 6–11 | 797 (33.9) |
| 12–17 | 522 (22.2) |
| 18–23 | 544 (23.1) |
| Sex | |
| Male | 1375 (58.4) |
| Female | 979 (41.6) |
| Elder sibling | |
| Yes | 1101 (46.7) |
| No | 1254 (53.3) |
| Ethnicity | |
| Han Chinese | 1756 (74.6) |
| Minority | 598 (25.4) |
| Household wealth | |
| Poorest | 386 (16.4) |
| Medium | 780 (33.1) |
| Least poor |
1188 (50.5) |
| Mothers and caregiversa | |
| Age, years (n = 2158)a | |
| < 20 | 122 (5.7) |
| 21–25 | 913 (42.3) |
| 26–30 | 622 (28.8) |
| > 31 | 501 (23.2) |
| Maternal education (n = 2158)a | |
| None | 111 (5.2) |
| Primary school | 507 (23.5) |
| Junior school | 1338 (62.0) |
| Senior high school and above | 202 (9.4) |
| Maternal antenatal clinic visits (n = 2158)a | |
| 0–4 | 407 (18.9) |
| ≥ 5 | 1750 (81.1) |
| Place of delivery (n = 2158)a | |
| County- or higher-level hospital | 1230 (52.3) |
| Township-level hospital | 1024 (43.5) |
| Private hospital | 36 (1.5) |
| Home, clinic or other | 64 (2.7) |
| Delivery method (n = 2293)a | |
| Vaginal | 1746 (76.2) |
| Caesarean section | 547 (23.8) |
a For some children, information was available only from caregivers and, therefore, data on some maternal factors were incomplete.