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Table 2 Linear regression for intention to get vaccinated with the AstraZeneca vaccine (Study 2)

From: Infographics on risks associated with COVID-19 and the willingness to get the AstraZeneca vaccine: two randomized online experiments

Predictors

DV: Intention to get vaccinated with the AstraZeneca vaccine

Step 1

Step 2

B

95% CI for B

ß

95% CI for ß

p

B

95% CI for B

ß

95% CI for ß

p

(Intercept)

5.62

5.12 – 6.12

-0.00

-0.05 – 0.05

 < 0.001

2.83

2.21 – 3.45

-0.00

-0.07 – 0.07

 < 0.001

Perceived probability of becoming infected with COVID-19

0.19

0.11 – 0.27

0.13

0.07 – 0.19

 < 0.001

0.15

0.08 – 0.22

0.10

0.06 – 0.15

 < 0.001

Perceived severity of becoming infected with COVID-19

0.27

0.19 – 0.35

0.19

0.14 – 0.25

 < 0.001

0.11

0.04 – 0.18

0.08

0.03 – 0.13

0.002

Perceived probability of blood clots due to the AZ vaccine

-0.53

-0.60 – -0.46

-0.42

-0.48 – -0.37

 < 0.001

-0.20

-0.26 – -0.14

-0.16

-0.21 – -0.12

 < 0.001

Perceived severity of blood clots due to the AZ vaccine

-0.38

-0.46 – -0.30

-0.26

-0.31 – -0.21

 < 0.001

-0.14

-0.21 – -0.07

-0.09

-0.14 – -0.05

 < 0.001

Age (years)

     

0.01

0.01 – 0.02

0.09

0.05 – 0.14

 < 0.001

Gender (female)

     

-0.28

-0.46 – -0.11

-0.13

-0.21 – -0.05

0.002

University entrance qualification (no UEQ)

     

0.27

0.08 – 0.45

0.12

0.04 – 0.20

0.005

Confidence in AZ

     

0.52

0.46 – 0.58

0.46

0.41 – 0.51

 < 0.001

Calculation regarding AZ

     

-0.02

-0.08 – 0.03

-0.02

-0.06 – 0.03

0.454

Preference of alternatives to AZ

     

-0.28

-0.35 – -0.21

-0.20

-0.25 – -0.15

 < 0.001

N

986

    

986

R2 / R2 adjusted

0.392 / 0.390

0.619 / 0.615

  1. Exploratory variables were added in step 2. The p-values in bold are statistically significant at p < 0.05
  2. AZ AstraZeneca vaccine, UEQ University entrance qualification, DV dependent variable, CI confidence interval