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Table 8 Multiple linear regression analyses of association between variables of the participants with knowledge, attitude, and use of protective measures against COVID-19

From: Knowledge, attitude, and use of protective measures against COVID-19 among nurses: a questionnaire-based multicenter cross-sectional study

      

Collinearity

Variable

Unstandardized Coefficients

SE

Standardized Coefficients

t

p-value

Tolerance

VIF

Knowledge

 Gender

3.62

1.25

0.14

2.90

0.004

0.88

1.14

 Self-rated financial status

2.19

1.43

0.07

1.53

0.126

0.91

1.10

 Self-rated social life

3.12

1.10

0.13

2.84

0.005

0.99

1.01

 Self-rated academic achievements

1.29

1.04

0.06

1.24

0.216

0.97

1.03

 Self-rated knowledge about COVID-19

−1.21

1.23

−0.05

− 0.99

0.324

0.96

1.04

 Have been infected with COVID-19

2.32

2.06

0.05

1.13

0.261

0.94

1.06

 Constant

56.43

5.31

 

10.62

   

Attitude

 Gender

−4.96

1.77

− 0.14

−2.80

0.005

0.88

1.14

 Self-rated financial status

−1.38

2.02

−0.03

− 0.68

0.496

0.91

1.10

 Self-rated social life

−0.06

1.56

0.00

−0.04

0.969

0.99

1.01

 Self-rated academic achievements

4.02

1.48

0.13

2.73

0.007

0.97

1.03

 Self-rated knowledge about COVID-19

−2.48

1.74

−0.07

−1.43

0.155

0.96

1.04

 Have been infected with COVID-19

−9.41

2.92

−0.15

−3.22

0.001

0.94

1.06

 Constant

93.77

7.52

 

12.47

   

Use of protective measures

 Gender

1.89

1.87

0.05

1.01

0.313

0.88

1.14

 Self-rated financial status

1.95

2.14

0.05

0.91

0.362

0.91

1.10

 Self-rated social life

−0.25

1.65

−0.01

− 0.15

0.881

0.99

1.01

 Self-rated academic achievements

4.03

1.56

0.12

2.58

0.010

0.97

1.03

 Self-rated knowledge about COVID-19

1.64

1.84

0.04

0.89

0.373

0.96

1.04

 Have been infected with COVID-19

3.66

3.09

0.06

1.19

0.236

0.94

1.06

 Constant

70.37

7.96

 

8.84

   
  1. SE Standard error, t t statistic, VIF Variance inflation factor. Male, low financial status, low social life, low academic achievements, low knowledge about COVID-19, and not having contracted COVID-19 were the reference categories for gender, self-rated financial status, self-rated social life, self-rated academic achievements, self-rated knowledge about COVID-19, and have been infected with covid-19, respectively