Table 3.

Neonatal and maternal outcomes by region (percentages, crude and adjusted^a ORs, compared to weighted mean, with 99% CIs

	Total	GR	FR	DR	OV	FL	GD	UT	NH	ZH	ZL	NB	LB
	614,661	19,441	22,568	15,875	42,860	17,461	71,284	52,886	105,944	139,567	11,327	84,147	31,301
Antepartum and intrapartum stillbirth, n (%)	717 (0.12)	23 (0.12)	32 2(0.14)	17 (0.11)	42 (0.10)	27 (0.15)	97 (0.14)	62 (0.12)	126 (0.12)	159 (0.11)	11 (0.10)	88 (0.10)	33 (0.11)
Crude OR [99% CI]		1.02 [0.61–1.69]	1.22 [0.79–1.88]	0.92 [0.51–1.65]	0.84 [0.57–1.24]	1.33 [0.83–2.13]	1.17 [0.89–1.53]	1.01 [0.73–1.39]	1.02 [0.80–1.31]	0.98 [0.78–1.23]	0.83 [0.41–1.71]	0.90 [0.68–1.19]	0.90 [0.59–1.39]
aORa [99% CI]		1.04 [0.62–1.73]	1.26 [0.81–1.97]	0.93 [0.51–1.71]	0.90 [0.61–1.33]	1.41 [0.86–2.32]	1.13 [0.85–1.50]	1.07 [0.76–1.50]	0.97 [0.74–1.27]	0.97 [0.75–1.25]	0.75 [0.35–1.61]	0.85 [0.63–1.14]	0.89 [0.58–1.37]
Neonatal mortality up to 7 days, n (%)	471 (0.08)	14 (0.07)	13 (0.06)	12 (0.08)	29 (0.07)	14 (0.08)	72 (0.10)	42 (0.08)	85 (0.08)	98 (0.07)	12 (0.11)	52 (0.06)	28 (0.09)
Crude OR [99% CI]		0.93 [0.49–1.78]	0.75 [0.38–1.46]	0.98 [0.49–1.97]	0.88 [0.55–1.39]	1.04 [0.54–1.99]	1.31 [0.95–1.80]	1.03 [0.69–1.53]	1.04 [0.77–1.40]	0.91 [0.68–1.21]	1.37 [0.68–2.76]	0.80 [0.56–1.15]	1.16 [0.72–1.86]
aORa [99% CI]		0.93 [0.48–1.79]	0.76 [0.39–1.51]	1.06 [0.52–2.14]	0.83 [0.51–1.36]	1.04 [0.52–2.11]	1.34 [0.97–1.86]	1.02 [0.67–1.57]	1.01 [0.73–1.40]	0.92 [0.67–1.27]	1.38 [0.68–2.79]	0.80 [0.56–1.16]	1.08 [0.67–1.76]
Apgar score below 7 at 5 minutesb, n (%)	6410 (1.00)	291 (1.5)	280 (1.2)	132 (0.8)	354 (0.8)	163 (0.9)	715 (1.0)	460 (0.9)	1136 (1.1)	1735 (1.2)	83 (0.7)	777 (0.9)	284 (0.9)
Crude OR [99% CI]		1.53 [1.32–1.77]	1.26 [1.09–1.46]	0.84 [0.68–1.04]	0.84 [0.73–0.96]	0.95 [0.78–1.14]	1.02 [0.92–1.12]	0.88 [0.78–0.99]	1.09 [1.00–1.18]	1.26 [1.17–1.36]	0.74 [0.57–0.96]	0.94 [0.85–1.03]	0.92 [0.79–1.07]
aORa [99% CI]		1.47 [1.26–1.71]	1.28 [1.10–1.49]	0.90 [0.73–1.12]	0.85 [0.74–0.98]	0.96 [0.78–1.18]	1.05 [0.95–1.17]	0.88 [0.78–0.997]	0.99 [0.90–1.08]	1.18 [1.09–1.28]	0.78 [0.60–1.02]	0.94 [0.85–1.03]	0.92 [0.79–1.07]
3rd and 4th degree perineal tear for vaginal births, %	14,065 (2.76)	432 (2.68)	528 (2.84)	423 (3.15)	1061 (2.95)	369 (2.49)	1638 (2.68)	1369 (3.07)	2741 (3.13)	2725 (2.38)	173 (1.83)	1919 (2.79)	687 (2.73)
Crude OR [99% CI]		0.99 [0.88–1.12]	1.05 [0.94–1.17]	1.17 [1.04–1.32]	1.10 [1.01–1.19]	0.92 [0.81–1.04]	0.99 [0.93–1.06]	1.14 [1.06–1.23]	1.16 [1.10–1.23]	0.88 [0.83–0.93]	0.67 [0.56–0.81]	1.03 [0.97–1.10]	1.01 [0.92–1.11]
aORa [99% CI]		1.00 [0.88–1.12]	1.09 [0.98–1.22]	1.17 [1.03–1.33]	1.10 [1.01–1.91]	0.96 [0.83–1.10]	0.99 [0.92–1.06]	1.09 [1.01–1.18]	1.15 [1.08–1.22]	0.88 [0.82–0.93]	0.70 [0.58–0.84]	1.01 [0.95–1.08]	1.01 [0.92–1.11]
Postpartum haemorrhages ≥1000 ml, %	35,868 (6.00)	1088 (5.62)	1147 (5.17)	977 (6.19)	2283 (5.41)	1041 (5.99)	4610 (6.53)	3054 (5.85)	6155 (6.03)	7832 (5.79)	411 (3.72)	5430 (6.88)	1840 (5.95)
Crude OR [99% CI]		0.99 [0.91–1.06]	0.90 [0.84–0.97]	1.09 [1.01–1.18]	0.95 [0.90–0.998]	1.05 [0.97–1.14]	1.16 [1.11–1.20]	1.03 [0.98–1.08]	1.06 [1.02–1.10]	1.02 [0.98–1.05]	0.64 [0.57–0.72]	1.22 [1.17–1.27]	1.05 [0.99–1.11]
aORa [99% CI]		0.99 [0.92–1.07]	0.92 [0.85–0.99]	1.11 [1.02–1.21]	0.94 [0.89–0.995]	1.09 [0.998–1.18]	1.14 [1.09–1.19]	0.98 [0.93–1.03]	1.04 [0.99–1.08]	1.02 [0.99–1.06]	0.66 [0.58–0.74]	1.20 [1.15–1.25]	1.04 [0.98–1.10]

^aOdds ratios, adjusted for parity, maternal age, ethnic background, socioeconomic status and urbanisation

^bAntepartum and intrapartum stillbirth cases are excluded for analyses of Apgar score below 7 at 5 min

Percentage of missing data: 0.0% for antepartum and intrapartum stillbirth, 0.1% for neonatal mortality, 0.1% for Apgar score below 7 at 5 minutes, 1.4% for 3rd and 4th degree perineal tear, 2.7% for postpartum haemorrhages > 1000 ml