Table 3.

Poisson model examining the impact of maternal age, ethnicity and IMD on ANY vaccine uptake (of at least one dose)*

Counts	IRR	Robust SE	z	Two-sided P > | z |	95% CI
					Lower	Upper
Programme week
	1.07	0.001	119.96	<0.001	1.07	1.07
Age band (ref: 18–29 years)
30–39 years	1.41	0.03	17.23	<0.001	1.35	1.46
40–49 years	2.67	0.06	43.23	<0.001	2.55	2.79
IMD 2019 (ref: IMD 1)
2	1.27	0.03	9.32	<0.001	1.21	1.33
3	1.53	0.04	15.71	<0.001	1.45	1.61
4	1.78	0.05	19.96	<0.001	1.68	1.88
5	2.06	0.06	23.21	<0.001	1.94	2.19
Ethnic origins (ref: White British)
White Irish	0.51	0.01	−32.46	<0.001	0.49	0.53
White Other	0.28	0.01	−61.27	<0.001	0.27	0.30
Black Caribbean	0.17	0.004	−77.29	<0.001	0.16	0.17
Black African	0.38	0.008	−47.84	<0.001	0.36	0.39
Any Other Black origins	0.27	0.006	−63.82	<0.001	0.26	0.28
Indian	0.79	0.02	−11.92	<0.001	0.76	0.82
Pakistani	0.59	0.01	−26.81	<0.001	0.57	0.62
Bangladeshi	0.90	0.02	−5.33	0.001	0.86	0.93
Chinese	0.25	0.006	−55.13	<0.001	0.24	0.27
Other Asian	0.65	0.01	−23.10	<0.001	0.63	0.67
White & Black Caribbean	0.28	0.006	−62.30	<0.001	0.26	0.29
White & Black African	0.41	0.008	−47.27	<0.001	0.40	0.43
White & Asian	0.58	0.007	−40.22	<0.001	0.62	0.65
Any Other Mixed origin	0.41	0.008	−46.94	<0.001	0.39	0.42
Other ethnicity	0.35	0.007	−53.46	<0.001	0.34	0.36
Not stated/unknown	0.25	0.005	−72.81	<0.001	0.25	0.26
Constant	0.11	0.003	−71.12	<0.001	0.11	0.12

CI confidence interval, IMD index of multiple deprivation, IRR incidence rate ratio, SE standard error.

*The model Wald chi-square was 33,063, with P value < 0.0001; pseudo R²: 0.8102; model convergence (9 iterations) with log pseudolikelihood = −80,037,126.