Table 3.
Results of the generalized linear mixed-effects models for the mode of birth (model 1) and the composite outcome (model 2Ϯ)
| Model 1 | Model 2b | |||
|---|---|---|---|---|
| aOR (95% CI) | p value | aOR (95% CI) | p value | |
| Study group | 0.86 (0.59–1.26) | 0.449 | 0.59 (0.27–1.26) | 0.171 |
| Nulliparous | 10.82 (6.55–17.89) | < 0.001 | 1.47 (0.66–3.24) | 0.344 |
| Age (years) | ||||
| ≤ 29 | 1.00 (−) | 1.00 (−) | ||
| 30–34 | 1.33 (0.84–2.09) | 0.220 | 1.02 (0.42–2.51) | 0.960 |
| ≥ 35 | 2.56 (1.56–4.20) | < 0.001 | 1.05 (0.39–2.79) | 0.927 |
| BMI (kg/m2) < 25 | 1.38 (0.93–2.04) | 0.115 | 0.97 (0.45–2.08) | 0.935 |
| Birthweight (100 g) | 1.04 (0.99–1.08) | 0.090 | 1.04 (0.96–1.14) | 0.326 |
| Cesarean/ instrumental vaginal birth | – | – | 1.50 (0.61–3.66) | 0.376 |
aOR Adjusted Odds Ratio; CI Confidence interval; BMI Body mass index
bPairs with missing pH values were excluded