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Table 4 Univariate and multivariate binary logistic regression analysis of factors associated with willingness to receive a COVID-19 booster

From: Factors associated with COVID-19 booster vaccine willingness among migrants from the Eastern Mediterranean living in Australia: a cross-sectional study

Characteristic

Unadjusted odds ratio (OR)

95% CI

p-value

Adjusted odds ratio (aOR)

95% CI

p-value

Age

Age (years)

1.07

1.03–1.11

 < 0.01

1.07

1.02 –1.12

0.01*

Gender

Man or male

REF

-

-

REF

-

-

Woman or female

1.15

0.58–2.31

0.69

1.35

0.58–3.12

0.47

Jurisdiction of residence

NSW/ACT

REF

-

-

REF

  

Victoria

0.41

0.17–0.95

0.04

0.52

0.19–1.44

0.21

Other

0.59

0.25–1.36

0.22

0.60

0.22–1.81

0.41

Educational attainment

Non-university

REF

-

-

REF

-

-

University

2.34

1.13–4.84

0.02

2.35

0.96–5.75

0.06

Health profession status

No

REF

-

-

-

-

-

Yes

6.76

0.89–51.38

0.07

-

-

-

Years lived in Australia

0–9 years

REF

-

-

REF

  

10 years + 

1.77

0.77–4.09

0.18

0.82

0.29–2.33

0.71

Estimated knowledge

Estimated knowledge of COVID-19 vaccines

1.02

1.01–1.04

 < 0.01

1.01

0.99–1.03

0.23

Confidence

Confidence score

2.76

1.75–4.34

 < 0.01

1.92

0.95–3.87

0.07

Risk perception

Risk perception score

1.74

1.02–2.97

0.04

1.50

0.77–2.90

0.23

Trust

Trust score

1.85

1.30–2.65

 < 0.01

1.00

0.58–1.70

0.99

Used official Australian information channel

No

REF

-

-

-

-

-

Yes

1.03

0.42–2.55

0.95

-

-

-

Used official home country information channel

No

REF

-

-

-

-

-

Yes

0.61

0.28–1.34

0.22

-

-

-

Used unofficial information channel

No

REF

-

-

-

-

-

Yes

1.50

0.67–3.38

0.33

-

-

-

In recent months, I have heard some news about COVID-19 vaccines that made me confident

No

REF

-

-

REF

-

-

Yes

3.68

1.79–7.54

 < 0.01

1.50

0.57–3.98

0.82

In recent months, I have heard some news about COVID-19 vaccines that made me concerned

Yes

REF

-

-

REF

-

-

No

3.51

1.70–7.29

 < 0.01

3.71

1.51–9.09

 < 0.01*

  1. Statistically significant results are shown with an asterisk (*)