Table 3.

Impact of intervention on primary and secondary outcomes

	OR (95% CI)
	Unadjusted	Adjusted
Primary outcomes
BIG2 (n = 4002)	1.34 (0.92–1.94)	1.17 (0.84–1.63)
Secondary outcomes
Referral to non-obstetric health care providers (n = 3748)	0.82 (0.54–1.24)	0.79 (0.51–1.23)
Referral to preventive care organisations (n = 3568)	1.17 (0.43–3.21)	0.96 (0.36–2.54)
Fetal growth restriction/preterm birth detected in pregnancy (n = 3830)	1.40 (1.03–1.92)	1.27 (1.01–1.61)
Unexpected SGA (n = 3989)	1.21 (0.69–2.13)	1.28 (0.63–2.62)
Perinatal mortality (n = 3975)	1.70 (0.72–4.02)	1.33 (0.51–3.44)

Numbers are aOR and 95% confidence interval