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. 2015 Feb 21;15:43. doi: 10.1186/s12884-015-0473-8

Table 2.

Results of logistic multilevel regression analyses of PPH per region

Unadjusted Adjusted for
Maternal characteristics Pregnancy characteristics Medical interventions Health care setting All % Change in OR: unadjusted vs adjusted for all
Region
Amsterdama 1.02 (0.92-1.13) 1.12 (1.01-1.24) 1.08 (0.96-1.20) 1.02 (0.92-1.13) 1.00 (0.91-1.10) 1.05 (0.94-1.17) 3
Rotterdama 0.94 (0.85-1.04) 1.05 (0.94-1.17) 0.97 (0.86-1.08) 0.91 (0.82-1.02) 0.86 (0.78-0.94) 0.90 (0.80-1.01) −5
The Haguea 1.00 (0.89-1.12) 1.04 (0.93-1.16) 0.99 (0.88-1.12) 0.91 (0.81-1.03) 0.91 (0.82-1.02) 0.84 (0.74-0.94) −20
Utrechta 0.89 (0.82-0.97) 0.92 (0.85-1.00) 0.94 (0.86-1.02) 1.00 (0.91-1.10) 0.89 (0.82-0.96) 1.02 (0.92-1.13) 12
Groningen 0.80 ( 0.69-0.92) 0.83 (0.72-0.96) 0.77 (0.66-0.90) 0.73 (0.63-0.84) 0.75 (0.66-0.86) 0.71 (0.61-0.82) −13
Friesland 0.88 (0.76-1.03) 0.91 (0.79-1.06) 0.78 (0.66-0.91) 0.73 (0.63-0.85) 0.86 (0.75-0.98) 0.70 (0.60-0.82) −26
Drente 0.83 (0.72-0.95) 0.85 (0.74-0.97) 0.78 (0.67-0.90) 0.73 (0.63-0.83) 0.80 (0.70-0.90) 0.71 (0.62-0.82) −16
Overijssel 0.91 (0.82-1.01) 0.92 (0.93-1.03) 0.84 (0.74-0.94) 0.81 (0.73-0.91) 0.92 (0.83-1.01) 0.83 (0.74-0.93) −10
Gelderland 1.01 (0.93-1.08) 1.02 (0.94-1.09) 0.95 (0.88-1.03) 0.92 (0.85-1.00) 1.02 (0.95-1.09) 0.92 (0.85-1.01) −9
Utrecht Ref Ref Ref Ref Ref Ref
Noord Holland 1.10 (1.01-1.21) 1.12 (1.02-1.22) 1.06 (0.97-1.17) 1.02 (0.93-1.12) 1.08 (1.00-1.18) 0.98 (0.89-1.08) −13
Zuid Holland 1.05 (0.96-1.15) 1.07 (0.98-1.16) 1.03 (0.94-1.14) 0.96 (0.88-1.05) 0.99 (0.91-1.07) 0.89 (0.81-0.98) −18
Zeeland 1.05 (0.87-1.26) 1.07 (0.89-1.28) 0.96 (0.79-1.16) 0.98 (0.81-1.18) 0.94 (0.80-1.12) 0.88 (0.73-1.07) −19
Noord Brabant 1.03 (0.94-1.13) 1.04 (0.95-1.14) 1.02 (0.92-1.12) 0.95 (0.86-1.04) 1.02 (0.94-1.11) 0.97 (0.88-1.06) −7
Limburg 1.04 (0.92-1.17) 1.05 (0.93-1.18) 1.00 (0.88-1.14) 0.90 (0.80-1.02) 0.97 (0.87-1.08) 0.86 (0.76-0.98) −20
Flevoland 1.07 (0.94-1.23) 1.10 (0.96-1.26) 0.93 (0.80-1.08) 0.93 (0.81-1.07) 1.05 (0.93-1.20) 0.87 (0.74-1.01) −24

aCity.

Level used was the unique code for each hospital and community midwife practice.

Maternal characteristics: Age, Parity, Ethnicity, SES.

Pregnancy characteristics: Singleton pregnancy, Gestational age, Birth weight, Pre-eclampsia, Perinatal Death.

Medical interventions: Induction of labor, Mode of delivery, Perineal laceration, Placental removal.

Health care setting: Place of delivery.