| Birth preparedness | Cases | Controls | Total |
| Plan for place of delivery |
|
|
|
| Home | 12.1 | 14.7 | 14.2 |
| Institution | 87.9 | 85.3 | 85.8 |
| Place of delivery |
|
|
|
| Home | 12.1 | 11.3 | 11.5 |
| Institution | 60.6 | 88.0 | 83.1 |
| Others | 27.3 | 0.7 | 5.5 |
| Number | 33 | 150 | 183 |