Table 1.
Numbers (Percentages in Parentheses) of Subjects by Delivery Mode and Other Characteristics in Full Sample and in Jiangsu and Inner Mongolia
| Full sample n = 59,668 |
Jiangsu n = 18,659 |
Inner Mongolia n = 41,009 |
p-value | |
|---|---|---|---|---|
| Delivery mode | <0.001 | |||
| Vaginal | 44,190 (74.06%) | 17,139 (91.85%) | 27,051 (65.97%) | |
| Caesarean section | 15,478 (25.94%) | 1520 (8.15%) | 13,958 (34.03%) | |
| Maternal ethnicity | <0.001 | |||
| Han | 49,437 (82.85%) | 17,354 (93.01%) | 32,083 (78.23%) | |
| Minority | 10,231 (17.15%) | 1305 (6.99%) | 8926 (21.76%) | |
| Maternal age (years) | <0.001 | |||
| <20 | 303 (0.51%) | 60 (0.32%) | 243 (0.59%) | |
| 20–24 | 6884 (11.54%) | 2126 (11.39%) | 4758 (11.60%) | |
| 25–29 | 30,158 (50.59%) | 10,368 (55.56%) | 19,817 (48.32%) | |
| 30–34 | 15,735 (26.37%) | 4813 (25.79%) | 10,922 (26.63%) | |
| ≥35 | 6561 (10.99%) | 1292 (6.92%) | 5269 (12.84%) | |
| Insurance coverage | <0.001 | |||
| Not insured | 18,449 (30.92%) | 6,620 (35.48%) | 11,829 (28.84%) | |
| UHIS | 13,185 (22.10%) | 12,039 (64.52%) | 1146 (2.79%) | |
| NCMS | 28,034 (46.98%) | 0 (0.00%) | 28,034 (68.36%) | |
| Infant weights (g) | <0.001 | |||
| <2500 | 11,694 (5.23%) | 1041 (5.57%) | 2077 (5.06%) | |
| 2500–4000 | 31,778 (86.28%) | 16,504 (88.45%) | 34,978 (85.29%) | |
| >4000 | 18,431 (8.49%) | 1114 (5.97%) | 3954 (9.64%) | |
| Infant gender | <0.001 | |||
| Male | 32,739 (54.87%) | 9692 (51.94%) | 23,047 (56.20%) | |
| Female | 26,929 (45.13%) | 8967 (48.06%) | 17,962 (43.80%) | |
| Reproductive history | <0.001 | |||
| First-time mother | 46,893 (78.59%) | 15,191 (81.41%) | 31,702 (77.30%) | |
| Others | 12,755 (21.41%) | 3468 (18.59%) | 9307 (22.70%) |
Note: p-values: testing difference between two provinces in baseline characteristics.
Abbreviation: UHIS, Urban Health Insurance Schemes; NCMS, New Rural Cooperative Medical Scheme.