Table 1. Characteristics of the study population, by areaa.
| Characteristics | Western China (n = 20,392) | Middle China (n = 14,955) | Eastern China (n = 18,318) | Total (n = 53,665) |
|---|---|---|---|---|
| Place of residence, %(n) | ||||
| Suburb | 47.27 (9,639) | 32.72 (4,894) | 30.94 (5,668) | 37.64 (20,201) |
| Urban | 52.73 (10,753) | 67.28 (10,061) | 69.06 (12,650) | 62.36 (33,464) |
| Children’s gender, %(n) | ||||
| Male | 52.83 (10,774) | 54.39 (8,134) | 51.70 (9,471) | 52.88 (28,379) |
| Female | 47.17 (9,618) | 45.61 (6,821) | 48.30 (8,847) | 47.12 (25,286) |
| Children’s age, %(n) | ||||
| 0 year | 35.60 (7,260) | 27.76 (4,152) | 28.26 (5,176) | 30.91 (16,588) |
| 1–3 years | 54.41 (11,095) | 50.59 (7,565) | 52.69 (9,652) | 52.76 (28,312) |
| 4–6 years | 9.99 (2,037) | 21.65 (3,238) | 19.05 (3,490) | 16.33 (8,765) |
| Household income per capita, %(n) | ||||
| Low (< 3,000 RMB) | 44.50 (8,913) | 47.12 (6,924) | 37.69 (6,766) | 42.91 (22,603) |
| Middle (3,001–5,000 RMB) | 32.08 (6,425) | 35.56 (5,225) | 31.57 (5,666) | 32.87 (17,316) |
| High (> 5,000 RMB) | 23.42 (4,692) | 17.31 (2,544) | 30.74 (5,518) | 24.21 (12,754) |
| Education of guardians, %(n) | ||||
| High school and below | 61.59 (12,422) | 69.33 (10,300) | 57.69 (10,508) | 62.41 (33,230) |
| College and above | 38.41 (7,748) | 30.67 (4,557) | 42.31 (7,706) | 37.59 (20,011) |
| Parenting, %(n) | ||||
| Others | 20.57 (4,195) | 25.28 (3,780) | 17.60 (3,224) | 20.87 (11,199) |
| Parents | 79.43 (16,197) | 74.72 (11,175) | 82.40 (15,094) | 79.13 (42,466) |
| Basic health knowledge of parenting, %(n) | ||||
| Bad | 45.82 (8,970) | 52.71 (7,624) | 45.47 (8,049) | 47.63 (24,643) |
| Good | 54.18 (10,607) | 47.29 (6,840) | 54.53 (9,651) | 52.37 (27,098) |
Note:
a
The children without diarrhea were remarked as missing.