| Characteristics at delivery | n | Number of midwifery students’ delivery assistance, time | Univariate analysis | Multivariate analysis | |||||||
| <6 ≥6 n (%) | †P value | §Average of all 64 evaluation items Median (IQR) | ‡P value | Crude OR [95% CI] | ||P value | Adjusted OR [95% CI] | ¶††P value | ||||
| Parity | Primipara | 40 | 20 (50) | 20 (50) | 1.0 | 2.8 (2.0 - 3.3) | 0.56 | 0.82 [0.34, 1.97] | 0.65 | 0.69 [0.21, 2.21] | 0.53 |
| Multipara | 40 | 20 (50) | 20 (50) |
| 2.9 (2.1 - 3.5) |
| Ref |
| Ref |
| |
| Birth-time | Daytime | 44 | 25 (64) | 19 (51) | 0.26 | 2.6 (2.0 - 3.3) | 0.12 | 0.65 [0.26, 1.61] | 0.35 | 0.82 [0.25, 2.71] | 0.75 |
| Nighttime | 32 | 14 (36) | 18 (49) |
| 2.9 (2.6 - 3.5) |
| Ref |
| Ref |
| |
| Delivery style | Natural childbirth | 51 | 24 (60) | 27 (68) | 0.49 | 2.9 (2.5 - 3.4) | 0.13 | 1.72 [0.69, 4.41] | 0.24 | 1.85 [0.53, 6.44] | 0.34 |
| Others | 29 | 16 (40) | 13 (33) |
| 2.5 (2.0 - 3.2) |
| Ref |
| Ref |
| |
| Sex of infant | Boys | 48 | 21 (53) | 27 (68) | 0.17 | 2.9 (2.1 - 3.4) | 0.50 | 1.52 [0.62, 3.78] | 0.36 | 1.43 [0.42, 4.89] | 0.57 |
| Girls | 32 | 19 (48) | 13 (33) |
| 2.8 (2.1 - 3.3) |
| Ref |
| Ref |
| |
| Infant’s birth weight, g | ≥3000 | 47 | 19 (48) | 28 (70) | 0.04 | 3.0 (2.4 - 3.5) | 0.06 | 1.11 [0.45, 2.72] | 0.82 | 0.37 [0.10, 1.44] | 0.15 |
| <3000 | 33 | 21 (53) | 12 (30) |
| 2.7 (1.9 - 3.2) |
| Ref |
| Ref |
| |
| Apgar score1 | ≥9 | 58 | 27 (68) | 31 (78) | 0.32 | 2.8 (2.0 - 3.4) | 0.88 | 0.78 [0.29, 2.08] | 0.62 | 0.36 [0.10, 1.33] | 0.18 |
| <9 | 22 | 13 (33) | 9 (23) |
| 3.0 (2.3 - 3.2) |
| Ref |
| Ref |
| |
| Apgar score2 | ≥9 | 76 | 38 (95) | 38 (95) | 1.0 | 2.8 (2.1 - 3.4) | 0.71 | 1 [0.12, 8.68] | 1.0 | 1.77 [0.15, 21.55] | 0.65 |
| <9 | 4 | 2 (5) | 2 (5) |
| 2.9 (2.1 - 3.2) |
| Ref |
| Ref |
| |
| Number of midwifery students’ delivery assistance, time | ≥6 | 40 | - | - |
| 3.3 (2.9 - 3.8) |
| 11.86 [4.15, 33.89] | <0.001 | 19.50 [4.98, 76.30] | <0.001 |
| <6 | 40 | - | - | - | 2.2 (1.9 - 2.8) | <0.001 | Ref |
| Ref |
| |