Table 4 Log binomial regression analysis predicting voucher receipt and rubella antibody testing in fiscal year 2019^a

Understood the government recommendation

4.53

(3.84–5.34)

4.00

(3.36–4.77)

7.87

(5.87–10.56)

5.50

(4.01–7.53)

Aware of lack of opportunity for rubella vaccination

2.18

(1.96–2.43)

1.12

(1.02–1.22)

3.23

(2.70–3.87)

1.33

(1.11–1.60)

Had acquaintances who received the rubella antibody test

1.84

(1.70–1.96)

1.19

(1.11–1.28)

2.77

(2.43–3.16)

1.39

(1.22–1.59)

Able to confirm a rubella vaccination history

1.52

(1.39–1.66)

1.00

(0.94–1.07)

2.27

(1.98–2.60)

1.28

(1.13–1.46)

 Never

ref

ref

ref

ref

 Current

0.77

(0.69–0.87)

0.89

(0.82–0.97)

0.69

(0.57–0.83)

0.88

(0.75–1.02)

 Former

0.92

(0.83–1.03)

0.95

(0.88–1.02)

0.98

(0.83–1.16)

0.97

(0.86–1.09)

 No

ref

ref

ref

ref

 Yes

1.17

(1.04–1.33)

0.97

(0.89–1.06)

1.49

(1.24–1.78)

0.98

(0.87–1.11)

 No or do not know

ref

ref

ref

ref

 Yes

1.46

(1.33–1.59)

1.06

(0.99–1.13)

2.05

(1.78–2.36)

1.26

(1.10–1.43)