Predictors | Beta | B (95% CI) | P | Beta | B (95% CI) | P |
---|---|---|---|---|---|---|
1. Pre-labour predictors* | Â | Â | Â | Â | Â | Â |
Constant | – | 29.7 (27.9 to 31.5) | < 0.001 | – | – | – |
Primiparous | − 0.215 | − 2.8 (− 3.8 to − 1.8) | < 0.001 | – | – | – |
Sexual violence during pregnancy | − 0.179 | − 3.7 (− 5.4 to − 2.0) | < 0.001 | – | – | – |
Gestational age of 400–416 w (Ref: 370–396) | − 0.138 | − 1.9 (− 2.8 to − 0.9) | < 0.001 | – | – | – |
Woman preference for Cesarean section | − 0.112 | − 2.1 (− 3.6 to − 0.5) | 0.003 | – | – | – |
Emotional violence during pregnancy | − 0.105 | − 1.5 (− 2.7 to − 0.3) | 0.012 | – | – | – |
No attendance at birth preparation classes | − 0.096 | − 2.0 (− 3.6 to − 0.5) | 0.009 | – | – | – |
Perceived insufficient household income | − 0.084 | − 1.1 (− 2.1 to − 0.1) | 0.025 | – | – | – |
2. During-labour predictors†| Excluded woman fear | Excluded woman anxiety state | ||||
Constant | – | 31.4 (30.7 to 32.2) | < 0.001 | – | 31.6 (30.7 to 32.4) | < 0.001 |
Sever anxiety state (Ref: mild) | −0.455 | − 6.0 (− 6.9 to − 5. 2) | < 0.001 | – | – | – |
Labour dystocia | − 0.301 | − 3.9 (− 4.7 to − 3.1) | < 0.001 | − 0.382 | − 4.9 (− 5.7 to − 4.1) | < 0.001 |
High fear | – | – | – | − 0.239 | − 3.1 (− 3.8 to − 2.5) | < 0.001 |
Moderate anxiety state (Ref: mild) | −0.236 | −3.5 (− 4.2 to − 2.8) | < 0.001 | – | – | – |
Insufficient support by staff | −0.139 | −2.7 (− 3.4 to − 1.9) | < 0.001 | −0.177 | −3.1 (− 3.91 to − 2.3) | < 0.001 |
Mode of Birth (Ref: vaginal with no episiotomy/no tear) | ||||||
 Vaginal birth with episiotomy and tear | − 0.139 | −3.8 (− 4.9 to − 2.5) | < 0.001 | −0.158 | −4.3 (− 5.6 to − 3.0) | < 0.001 |
 Emergency cesarean section | − 0.113 | − 2.9 (− 4.2 to − 1.7) | < 0.001 | − 0.134 | − 3.5 (− 4.8 to − 2.2) | 0.001 |
 Vaginal birth with episiotomy or tear | − 0.055 | − 0.8 (− 1.6 to − 0.1) | 0.034 | − 0.064 | − 1.0 (− 1.8 to − 0.1) | 0.021 |
 Labour induction with oxytocin | −0.098 | − 1.3)- 1.9 to − 0.7) | < 0.001 | −0.103 | −1.3)- 2.0 to − 0.7) | < 0.001 |
 Labour augmentation with oxytocin | – | – | – | − 0.076 | −1.1 (− 1.8 to − 0.3) | 0.004 |
Woman dehydration (Ref: no dehydration) | ||||||
 Dehydration + 3 h | − 0.058 | −1.3 (− 2.3 to − 0.3) | 0.008 | −0.073 | −1.7 (− 2.7 to − 0.7) | 0.002 |
 Dehydration < 3 h | −0.045 | − 0.6 (− 1.2 to − 0.03) | 0.039 | −0.045 | − 0.6 (− 1.2 to 0.01) | 0.053 |
3. Overall predictors‡ | Excluded woman fear | Excluded woman anxiety state | ||||
Constant | – | 31.4 (30.8 to 31.8) | < 0.001 | – | 31.3 (30.8 to 31.9) | < 0.001 |
Severe anxiety state (Ref: mild) | −0.426 | −5.6 (− 6.5 to − 4.8) | < 0.001 | – | – | – |
Labour dystocia | −0.324 | −4.2 (− 5.0 to − 3.4) | < 0.001 | −0.414 | −5.4 (− 6.15 to − 4.6) | < 0.001 |
Moderate anxiety state (Ref: mild) | −0.222 | −3.3 (− 4.0 to − 2.6) | < 0.001 | – | – | – |
High fear | – | – | – | − 0.239 | − 2.8 (− 3.4- to − 2.1) | < 0.001 |
Insufficient support by staff | −0.157 | − 2.7 (− 3.5 to − 2.0) | < 0.001 | −0.183 | − 3.2 (− 3.10 to − 2.4) | < 0.001 |
Mode of Birth (Ref: vaginal with no episiotomy/no tear) | ||||||
 Vaginal birth with episiotomy and tear | − 0.109 | − 2.9 (− 3.9 to − 1.9) | < 0.001 | − 0.123 | − 3.3 (− 4.4 to − 2.3) | < 0.001 |
 Emergency caesarean section | −0.076 | −2.0 (− 3.0 to − 1.0) | < 0.001 | −0.088 | −2.3 (− 3.3 to − 1.2) | < 0.001 |
Primiparous | − 0.093 | −1.2 (− 1.7 to − 0.7) | < 0.001 | − 0.105 | −1.4 (− 1.9 to − 0.8) | < 0.001 |
Labour induction | − 0.088 | −1.1)- 1.7 to − 0.5) | < 0.001 | − 0.098 | −1.3)- 2.0 to − 0.6) | < 0.001 |
Labour augmentation | – | – | – | − 0.079 | −1.1 (− 1.8 to − 0.4) | 0.002 |
Sexual violence during pregnancy | −0.060 | −1.2 (− 2.1 to − 0.4) | 0.003 | −0.062 | −1.3 (− 2.2 to − 0.4) | 0.004 |
Woman dehydration + 3 h (Ref: no dehydration) | −0.047 | −1.1 (− 2.1 to − 0.1) | 0.029 | −0.049 | −1.1 (− 2.1 to − 0.2) | 0.022 |
Woman dehydration < 3 h (Ref: no dehydration) | −0.036 | − 0.5 (− 1.1 to 0.07) | 0.099 | – | – | – |