| Variables | Death (1054, 2.8%) | Survival (36,626, 97.2%) | ||
| No. | Percentage | No | Percentage | |
| Birth order |
| |||
| 1 (1) | 322 | 4.1 | 7603 | 95.9 |
| 2nd-4th (2) | 465 | 2.4 | 18,914 | 97.6 |
| Else (3) | 267 | 2.6 | 10,109 | 97.4 |
| Mother age |
| |||
| ≤19 (1) | 161 | 3.7 | 4201 | 96.3 |
| 20 - 34 (2) | 785 | 2.6 | 29,196 | 97.4 |
| ≥35 (3) | 108 | 3.2 | 3229 | 96.8 |