Contingency table analysis of nulliparous and multiparous episiotomy rate
| Almost 90%–100% of the time | 60%–90% of the time | 30%–60% of the time | <30% of the time | Total (N=900) | |
| Nulliparous/multiparous n (%) | Nulliparous/multiparous n (%) | Nulliparous/multiparous n (%) | Nulliparous/multiparous n (%) | ||
| Experience (years) | |||||
| <5 | 23 (13.07)/7 (3.98) | 44 (25.00)/16 (9.09) | 47 (26.70)/24 (13.64) | 62 (35.23)/129 (73.30) | 176 (19.56) |
| 5–10 | 21 (7.87)/2 (0.75) | 65 (24.34)/22 (8.24) | 88 (32.96)/48 (17.98) | 93 (34.83)/195 (73.03) | 267 (29.67) |
| 11–20 | 14 (5.47)/5 (1.95) | 41 (16.02)/20 (7.81) | 92 (35.94)/31 (12.11) | 109 (42.58)/200 (78.13) | 256 (28.44) |
| >20 | 13 (6.47)/4 (1.99) | 29 (14.43)/10 (4.98) | 93 (46.27)/33 (16.42) | 66 (32.84)/154 (76.62) | 201 (22.33) |
| Hospital level | |||||
| Level 1 | 3 (8.11)/0 (0.00) | 7 (18.92)/4 (10.81) | 4 (10.81)/4 (10.81) | 23 (62.16)/29 (78.38) | 37 (4.11) |
| Level 2 | 46 (11.41)/13 (3.23) | 92 (22.83)/34 (8.44) | 163 (40.45)/68 (16.87) | 102 (25.31)/288 (71.46) | 403 (44.78) |
| Level 3 | 22 (4.78)/5 (1.09) | 80 (17.39)/30 (6.52) | 153 (33.26)/64 (13.91) | 205 (44.57)/361 (78.48) | 460 (51.11) |