Table 1.

Baseline characteristics of randomised maternity units by allocation

		Intervention group N= 54		Control group N= 52
		n	%	n	%
Perinatal network	1	17	31.5	16	30.8
	2&3	8	14.8	6	11.5
	4	6	11.1	8	15.4
	5	11	20.4	11	21.1
	6	12	22.2	11	21.1
Annual number of deliveries	<500	7	13.0	8	15.4
	500–1499	27	50.0	22	42.3
	≥1500	20	37.0	22	42.3
Status of maternity unit	University public	6	11.1	6	11.5
	Other public	31	57.4	28	53.8
	Private	17	31.5	18	34.6
Level of care*	1	33	61.1	27	51.9
	2	16	29.6	22	42.3
	3	5	9.2	3	5.8
24/24 on-site anaesthetist		43	79.6	39	75.0
On-site arterial embolisation		10	18.5	11	21.1
Intensive care unit in hospital		26	30	55.6	26
Policy of systematic haemoglobin measurement postpartum		6	7	12.9	6
		Mean (sd) (min, max)		Mean (sd) (min, max)
Rate of caesarean delivery (%)		20.2 (4.2) (11.1; 28.8)		20.0 (4.7) (11.8; 34.0)
Rate of multiple pregnancy (%)		1.1 (0.7) (0.0;2.9)		1.3 (0.9) (0.0;4.6)

^*level of care: 1= no facilities for non-routine neonatal care; 2= with a neonatal care unit; 3= with an onsite neonatal intensive care unit