Table 2 Logistic regression analysis for predictors of BBAs
For the outcomeBBA | Univariable analysis | Multivariable analysis (final model)n = 144 | |||
|---|---|---|---|---|---|
Co-variable | OR | pvalue | OR | pvalue | 95% CI |
Settlement | |||||
Formal | 1.00 | – | 1.00 | – | – |
Informal | 5.33 | 0.001 | 7.60 | 0.017 | 1.43–40.33 |
Gravidity | |||||
Primigravida | 0.19 | <0.0001 | 0.10 | 0.001 | 0.02–0.41 |
Multigravida | 1.00 | – | 1.00 | – | – |
Grand multigravida | 3.16 | 0.001 | 1.41 | 0.530 | 0.48–4.16 |
Reaction to pregnancy | |||||
Planned | 1.00 | – | 1.00 | – | – |
Unplanned | 3.08 | 0.001 | 3.06 | 0.021 | 1.18–7.90 |
Booking status | |||||
Booked | 0.14 | 0.002 | 0.20 | 0.082 | 0.03–1.23 |
Unbooked | 1.00 | – | 1.00 | – | – |
Duration of labour | |||||
< 120 mins | 1.00 | – | 1.00 | – | – |
120–240 min | 2.82 | 0.011 | 0.75 | 0.649 | 0.22–2.59 |
241–575 min | 0.40 | 0.019 | 0.26 | 0.028 | 0.08–0.87 |
> 575mins | 0.18 | 0.000 | 0.08 | 0.000 | 0.02–0.29 |
Birthweight | |||||
LBW <2500 g | 1.00 | – | 1.00 | – | – |
Normal >2500 g | 0.37 | 0.011 | 0.27 | 0.023 | 0.09–0.83 |
Gestation at delivery | |||||
Pre-term | 1.00 | – | – | ||
Term | 0.29 | 0.003 | – | ||
Perinatal complications | |||||
Yes | 7.74 | 0.002 | – | ||
No | 1.00 | – | |||
Maternal complications | |||||
Yes | 1.30 | 0.430 | – | ||
No | 1.00 | – | – | ||
BBA history | |||||
Yes | 6.19 | 0.001 | – | ||
No | 1.00 | – | – | ||
HIV status | |||||
Positive | 1.17 | 0.661 | – | ||
Negative | 1.00 | – | – | ||
Age categories | |||||
< 18 years | 0.61 | 0.369 | – | ||
18–35 years | 1.00 | – | – | ||
> 35 years | 0.81 | 0.716 | – | ||
Marital status | |||||
Married | 1.00 | – | – | ||
Single | 2.21 | 0.040 | – | ||
Education level | |||||
Pre-tertiary) | 1.00 | – | – | ||
Tertiary | 0.51 | 0.176 | – | ||