Table 2 Cox Regression analysis of factors associated with vaccination uptake among pregnant women eligible for vaccination, adjusted analysis

Age group

25–29

Reference

18–24

0.99 (0.92–1.07)

0.796

30–39

1.17 (1.11–1.23)

 < 0.001

40–50

1.33 (1.18–1.49)

 < 0.001

Ethnic group

White

Reference

Asian

1.12 (1.00–1.25)

0.047

Other

1.18 (1.03–1.37)

0.021

Mixed

1.02 (0.81–1.29)

0.855

Black

1.08 (0.89–1.31)

0.440

Unknown

0.93 (0.87–1.003)

0.060

WIMD quintile 2019

5th (Least deprived)

Reference

4th

0.90 (0.83–0.96)

0.003

3rd

0.81 (0.76–0.88)

 < 0.001

2nd

0.91 (0.84–0.98)

0.008

1st (Most deprived)

0.88 (0.82–0.95)

 < 0.001