|
| Variable | Univariate modelling: IRR (95% CI, value) |
|
| Age | 1.02 (0.98 to 1.05, 0.39) |
| Height (cm) | 1.00 (0.98 to 1.03, 0.96) |
| Weight (kgs) | 1.01 (0.99 to 1.03, 0.22) |
| Gravidity | 1.01 (0.92 to 1.10, 0.89) |
| Fundal height | 1.05 (0.84 to 1.32, 0.63) |
| Presence of caput succedaneum (yes = 1) | 1.42 (0.77 to 2.66, 0.26) |
| Meconium staining | 0.89 (0.52 to 1.55, 0.70) |
| Induction | 1.18 (0.52 to 2.68, 0.70) |
| Birth weight (kgs) | 1.38 (0.93 to 2.06, 0.11) |
| Foetal heart rate | 1.01 (0.98 to 1.04, 0.40) |
| Ruptured membranes | 0.12 (0.04 to 0.34, <0.01) |
| Sex of baby (male = 1) | 1.28 (0.89 to 1.84, 0.19) |
| Duration of active phase of labour | 1.17 (1.11 to 1.23, <0.01) |
| Cervical dilatation | 1.93 (1.47 to 2.55, <0.01) |
| Foetal head descent | 0.53 (0.41 to 0.69, <0.01) |
| Strength of uterine contractions | 2.59 (1.65 to 4.04, <0.01) |
| Apgar score at 5 mins | 0.97 (0.75 to 1.23, 0.79) |
| Pelvis height (cm) | 0.92 (0.84 to 1.01, 0.08) |
|
