General characteristics
| Variables | No (%) of women |
| Total | 371 341 (100.0) |
| Age | |
| Mean±SD | 31.5±4.19 |
| Area* | |
| Metropolitan | 238 416 (64.2) |
| City | 109 415 (29.5) |
| Rural | 23 510 (6.3) |
| Type of insurance | |
| NHI | 369 179 (99.3) |
| MA | 2162 (0.7) |
| Level of income | |
| High (upper 25%) | 64 127 (17.26) |
| Medium (25%–75%) | 247 612 (66.68) |
| Low (lower 25%) | 59 602 (16.05) |
| Termination of pregnancy | |
| Abortion | 13 254 (3.56) |
| Delivery | 358 087 (96.43) |
| Result of childbirth | |
| Live birth | 356 346 (95.96) |
| Stillbirth | 1741 (0.46) |
| Subtotal | 358 087 (96.43) |
| Type of delivery | |
| Caesarean section | 125 761 (33.86) |
| Vaginal delivery | 230 585 (62.09) |
| Subtotal | 356 346 (95.96) |
MA, Medical Aid; NHI, National Health Insurance.