| Unadjusted recurrent failed induction or labor dystocia | Adjusted recurrent failed induction or labor dystocia | ||||
---|---|---|---|---|---|---|
 | OR | CI (95%) | p-value | OR | CI (95%) | p-value |
Maternal age ≥ 37 | 1.2 | 0.7–2.1 | 0.47 | 1.4 | 0.8–2.6 | 0.23 |
IVF | 1.0 | 0.3–3.4 | 0.93 | 0.88 | 0.2–3.6 | 0.85 |
Smoking | 1.3 | 0.6–2.7 | 0.53 | 1.8 | 0.8–4.1 | 0.18 |
Height < 160 cm | 1.6 | 1.0–2.6 | 0.04 | 1.9 | 1.1–3.1 | 0.01 |
BMI ≥ 35 | 1.6 | 0.8–3.2 | 0.15 | 1.6 | 0.8–3.4 | 0.22 |
No prior vaginal delivery | 5.5 | 2.5–12.0 | < 0.001 | 8.3 | 3.5–19.8 | < 0.001 |
More than 2 years from previous CS | 1.0 | 0.7–1.5 | 0.96 | 1.3 | 0.8–2.0 | 0.31 |
Diabetes, type 1 or gestational | 1.7 | 1.1–2.6 | 0.02 | 1.8 | 1.0–3.0 | 0.04 |
Medication-dependent gestational diabetes | 1.5 | 0.7–3.4 | 0.3 | 1.8 | 0.6–5.3 | 0.27 |
Post-term pregnancy (≥42 weeks) | 2.3 | 1.3–4.3 | 0.007 | 2.3 | 0.7–7.3 | 0.15 |
Labor induction for post-term pregnancy | 1.9 | 1.0–3.6 | 0.044 | 1.1 | 0.3–3.7 | 0.84 |
Labor induction for premature rupture of membranes | 1.7 | 0.8–3.6 | 0.14 | 2.1 | 0.9–4.7 | 0.07 |
Labor induction for diabetes | 1.5 | 0.7–3.2 | 0.28 | 1.0 | 0.4–2.8 | 0.98 |
Labor induction for non-diabetic macrosomia | 5.6 | 1.3–25.6 | 0.03 | 10.8 | 2.1–55.9 | 0.005 |
Labor induction for fetal reason | 2.1 | 0.6–7.1 | 0.24 | 3.2 | 0.9–11.7 | 0.75 |
Labor induction for maternal reason | 0.9 | 0.4–2.0 | 0.83 | 1.4 | 0.4–3.2 | 0.4 |
Birthweight ≥4500 g | 3.0 | 1.4–6.7 | 0.007 | 3.3 | 1.3–7.9 | 0.009 |