Table 3. Unadjusted and adjusted associations between ethnic group, area deprivation, mother’s country of birth and infant mortality (singleton live births, England and Wales, 2006–2012).

	Base modela			Model Ab			Model Bc
	OR	(95% CI)		OR	(95% CI)		OR	(95% CI)
Infant’s ethnic group
White British	1	-		1	-		1	-
Other White	0.87	0.81	0.93	0.98	0.91	1.06	0.99	0.91	1.08
Indian	1.25	1.14	1.37	1.51	1.37	1.67	1.24	1.11	1.38
Pakistani	2.42	2.28	2.57	2.61	2.43	2.80	2.32	2.15	2.50
Bangladeshi	1.54	1.36	1.73	1.65	1.45	1.87	1.47	1.28	1.69
Black Caribbean	2.09	1.86	2.35	1.69	1.50	1.91	1.02	0.89	1.17
Black African	1.81	1.69	1.95	1.78	1.63	1.94	1.17	1.06	1.29
Mixed/Other	1.19	1.13	1.26	1.21	1.14	1.29	1.06	0.99	1.13
Not stated	1.19	1.11	1.27	1.25	1.17	1.33	1.12	1.04	1.20
Deprivation quintile
1 (most deprived)	2.06	1.95	2.18	1.59	1.50	1.69	1.35	1.26	1.43
2	1.66	1.56	1.76	1.41	1.32	1.50	1.25	1.17	1.33
3	1.30	1.22	1.39	1.20	1.12	1.28	1.12	1.04	1.20
4	1.11	1.03	1.18	1.07	1.00	1.14	1.02	0.95	1.10
5 (least deprived)	1	-		1	-		1	-
Mother’s country of birth
UK	1	-		1	-		1	-
Non-UK	1.16	1.12	1.20	0.92	0.88	0.97	0.97	0.92	1.02

^a Base model adjusted for sex of infant and infant’s year of birth only

^b Model A adjusted for variables in Base model and additionally adjusted for age of mother, deprivation quintile, mother’s country of birth (UK vs. non-UK) and marital status/registration type

^c Model B adjusted for variables in Model A and additionally adjusted for gestational age in completed weeks (under 28, 28–31, 32–33, 34–36, 37–38, 39–41, 42)