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| Chi-square of Sample and Method of Birth | ||||||
|---|---|---|---|---|---|---|
| Pre-intervention | Total | (N = 157) | Post-intervention | Total | (N = 117) | |
| n | % | % | n | % | % | |
| Spontaneous vaginal | 138 | 87.9 | 87.9 | 109 | 93.2 | 93.2 |
| Vacuum extraction | 14 | 8.9 | 8.9 | 2 | 1.7 | 1.7 |
| Vaginal birth after cesarean | 4 | 2.5 | 2.5 | 6 | 5.1 | 5.1 |
| Cesarean birth | 1 | 0.6 | 0.6 | 0 | 0 | 0 |
| Total | 157 | 100 | 100 | 117 | 100 | 100 |
Note. χ2(3) = 8.139. p < .05. N = number.
