Are pregnancy outcomes affected by the lack of legal status? A demographic study based on 850,288 live births in Switzerland

Table 4 Controlled logistic regressions between newborn outcomes and the independent social variables for irregular migrants by maternal origin

	SGA (n = 850,411)			PTB (n= 850,411)			LBW (n = 993,856)			VLBW (n = 993,856)			Any AOs (n = 850,288)
	aOR	[95% CI]	p	aOR	[95% CI]	p	aOR	[95% CI]	p	aOR	[95% CI]	p	aOR	[95% CI]	p
Maternal origin
Extra EU/EFTA	0.67	0.54-0.86	0.001	1.39	1.12–1.72	0.003	1.09	0.88 − 1.40	0.430	1.60	1.01–2.53	0.044	0.95	0.80-1.12	0.542
Africa	1.00	0.76-1.32	0.994	1.23	0.90-1.68	0.194	1.17	0.89-1.53	0.270	2.00	1.17–3.41	0.011	1.06	0.84-1.32	0.632
Latin America	0.65	0.53-0.79	0.000	1.09	0.89-1.32	0.404	0.77	0.64-0.93	0.007	1.03	0.68-1.56	0.891	0.82	0.71-0.95	0.009
Asia	0.70	0.50-0.99	0.041	1.07	0.76 − 1.50	0.715	0.94	0.68 − 1.30	0.701	1.35	0.67-2.72	0.406	0.83	0.64-1.07	0.153
Unknown	0.93	0.85-1.01	0.078	0.81	0.73-0.90	0.00	0.88	0.79-0.98	0.016	1.14	0.90-1.44	0.266	0.90	0.83-0.96	0.002

Source: Federal Statistical Office (FSO) for its Vital Statistics (BEVNAT). AO Adverse Outcome, SGA Small for Gestational Age, LBW Low Birth Weight, VLBW Very Low Birth Weight, PTB Preterm Birth, EU European Union, EFTA European Free Trade Association, CH Switzerland
Note: the models were run differently according to the availability of the data

ISSN: 1471-2393