Additional file 1: of Regional variations in childbirth interventions in the Netherlands: a nationwide explorative study

Tables with correlations within and between interventions and obstetric outcomes tested with Spearman’s rho: Table S5. Correlations within interventions among women in midwife-led and interventions among women in obstetrician-led care at the onset of labour; Table S6. Correlations between interventions in subgroups of women in midwife- or obstetrician-led care at the onset of labour; Table S7. Correlations between interventions; Table S8. Correlations between interventions and obstetric outcomes (DOCX 22 kb)