90 Chapter 3 Supplementary tables S3, S4 and S5 S3 Table. Multivariable logistic regression of process of care and intervention rates by region, adjusted* OR [99% CI] All women GR FR DR OV FL Total n 19,441 22,568 15,875 42,869 17,461 Women in midwife-led care at onset of labour 0.94 [0.90-0.97] 1.16 [1.12-1.20] 0.84 [0.80-0.87] 1.12 [1.09-1.15] 0.91 [0.87-0.94] Women in midwife-led care at time of birth 0.98 [0.94-1.01] 1.15 [1.11-1.19] 0.81 [0.77-0.85] 1.20 [1.17-1.23] 0.83 [0.79-0.87] Planned home birth 1.05 [1.001-1.10] 1.74 [1.67-1.81] 0.98 [0.93-1.03] 1.59 [1.54-1.63] 1.10 [1.04-1.16] Actual home birth 1.08 [1.03-1.14] 1.45 [1.39-1.51] 0.85 [0.80-0.90] 1.40 [1.36-1.45] 1.08 [1.02-1.14] Episiotomy in vaginal births 0.79 [0.75-0.83] 0.87 [0.83-0.91] 1.03 [0.98-1.08] 1.14 [1.10-1.18] 0.70 [0.67-0.74] Women in midwife-led care at onset of labour GR FR DR OV FL Total n 10,013 12,901 7,884 23,922 8,942 Intrapartum referral to obstetrician-led care 0.96 [0.91-1.01] 0.93 [0.88-0.97] 1.17 [1.10-1.24] 0.84 [0.81-0.88] 1.21 [1.14-1.29] Artificial rupture of membranes 0.90 [0.86-0.95] 1.00 [0.96-1.05] 1.05 [0.99-1.12] 1.03 [0.99-1.12] 1.05 [0.99-1.12] Women in midwife-led care at time of birth GR FR DR OV FL Total n 5,912 7,985 4,461 14,962 4,706 Oxytocin postpartum 0.42 [0.40-0.45] 0.72 [0.68-0.77] 0.95 [0.88-1.03] 0.66 [0.63-0.69] 1.17 [1.07-1.28] Episiotomy 0.69 [0.61-0.77] 0.78 [0.70-0.86] 1.08 [0.96-1.21] 1.43 [1.34-1.52] 0.50 [0.42-0.59] Women in obstetrician-led care at time of birth GR FR DR OV FL Total n 13,477 14,512 11,375 27,678 12,712 Episiotomy in vaginal births 0.80 [0.76-0.85] 0.95 [0.90-1.01] 0.95 [0.90-1.01] 1.14 [1.10-1.19] 0.69 [0.65-0.73] *odds ratios, adjusted for parity, maternal age, ethnic background, socioeconomic position and urbanisation.
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