Table 5 Multivariable regression model of knowledge and attitudes regarding disinfection as a control measure to reduce the spread of COVID-19 in dental students.

From: Sociodemographic factors associated with dental students knowledge and attitudes regarding disinfection as a control measure to reduce the spread of COVID-19

Variable

Category

Knowledge

Attitudes

Crude model

*Adjusted model

Crude model

*Adjusted model

PR

95% CI

p

APR

95% CI

p*

PR

95% CI

p

APR

95% CI

p*

LL

UL

LL

UL

LL

UL

LL

UL

Gender

Male

0.85

0.56

1.33

0.468

0.79

0.50

1.26

0.319

1.00

0.94

1.07

0.982

0.99

0.93

1.06

0.807

Female

Ref.

   

Ref.

   

Ref.

   

Ref.

   

Age group

< 22 years old

1.19

0.78

1.82

0.430

0.92

0.55

1.52

0.743

0.99

0.93

1.05

0.760

0.99

0.91

1.07

0.733

≥ 22 years old

Ref.

   

Ref.

   

Ref.

   

Ref.

   

Year of study

1st year

1.23

0.66

2.27

0.516

1.36

0.68

2.73

0.384

1.05

0.96

1.14

0.290

1.06

0.96

1.17

0.266

2nd year

0.69

0.32

1.46

0.330

0.66

0.30

1.45

0.298

0.99

0.90

1.09

0.851

1.00

0.90

1.11

0.971

3rd year

1.12

0.60

2.07

0.724

1.13

0.60

2.11

0.710

0.92

0.83

1.03

0.138

0.93

0.83

1.05

0.221

4th year

0.76

0.38

1.51

0.434

0.85

0.42

1.69

0.635

1.03

0.95

1.12

0.440

1.04

0.96

1.14

0.356

5th year

Ref.

   

Ref.

   

Ref.

   

Ref.

   

Marital status

Single

1.78

0.75

4.24

0.192

1.71

0.70

4.17

0.239

1.02

0.92

1.12

0.775

1.01

0.91

1.12

0.796

Married or cohabiting

Ref.

   

Ref.

   

Ref.

   

Ref.

   

Place of origin

Capital

0.52

0.34

0.79

0.003

0.48

0.31

0.75

0.001*

0.99

0.93

1.05

0.790

0.98

0.92

1.05

0.518

Province

Ref.

   

Ref.

   

Ref.

   

Ref.

   

Death of family member due to COVID-19

Yes

0.83

0.53

1.30

0.409

0.85

0.55

1.32

0.468

0.94

0.88

1.00

0.048

0.94

0.88

1.01

0.053

No

Ref.

   

Ref.

   

Ref.

   

Ref.

   

History of COVID-19

Yes

0.90

0.59

1.38

0.624

0.90

0.60

1.37

0.631

0.99

0.93

1.06

0.817

1.00

0.95

1.07

0.842

No

Ref.

   

Ref.

   

Ref.

   

Ref.

   
  1. APR prevalence ratio adjusted under Poisson regression model with robust variance, 95% CI 95% Confidence Interval, LL Lower Limit, LS Upper Limit.
  2. *Adjusted multiple regression model (*p < 0.05, significant association).
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