Table 1 Comparisons between vaccinated and unvaccinated participants.

From: Fear of COVID-19 disease and vaccination as predictors of vaccination status

 

Vaccinated

Unvaccinated

t

p

d

M

SD

M

SD

Sample 1

 N

891

 

119

    

 Fear of COVID-19

4.64

1.68

3.08

2.02

8.01

< 0.001

0.90

 Fear of COVID-19 vaccination

1.90

1.57

4.76

2.34

− 12.91

< 0.001

− 1.70

 Vaccination as social norm

5.48

1.54

3.57

1.92

10.40

< 0.001

1.20

 Control belief

2.49

1.06

2.57

1.12

− 0.75

0.453

− 0.08

Sample 2

 N

920

 

106

    

 Fear of COVID-19

3.70

1.74

2.54

1.70

6.52

< 0.001

0.67

 Fear of COVID-19 vaccination

1.96

1.64

5.30

2.07

− 16.06

< 0.001

− 1.98

 Vaccination as social norm

5.32

1.63

3.33

1.86

10.60

< 0.001

1.21

 Control belief

2.39

1.06

2.40

1.13

− 0.08

0.940

− 0.01

Sample 3

 N

930

 

101

    

 Fear of COVID-19

3.69

1.78

2.26

1.64

7.75

< 0.001

0.81

 Fear of COVID-19 vaccination

1.84

1.54

5.25

2.08

− 16.00

< 0.001

− 2.12

 Vaccination as social norm

5.51

1.58

3.20

1.84

12.15

< 0.001

1.44

 Control belief

2.35

1.05

2.46

1.14

− 0.92

0.359

− 0.10

  1. d = Cohen’s d effect size. Means of all reported variables may vary between 1 and 7.
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