Table 5 Factors associated with knowledge and prevention measures indexes toward Coronavirus Disease 2019 (COVID-19) among participating dentists

a. Multivariate linear regression for the factors associated with knowledge index

Age (years)

-0.15

-0.20; -0.09

 < 0.001

Work region

Beirut

ref

Mount Lebanon

2.66

1.54; 3.78

 < 0.001

Others

-0.44

-1.35; 1.26

0.947

Employment status

Employee

ref

Self-employed

-1.12

-2.16; -0.09

0.034

Un-employed

2.74

-0.16; 5.64

0.064

Dentist’s role in teaching others about COVID-19

Not significant

ref

Moderately significant

2.88

1.39; 4.36

 < 0.001

Very significant

2.38

0.92; 3.84

0.001

b. Multivariate logistic regression for the factors associated with high prevention measures index (low and moderate combined as a reference)

Work region

Beirut

ref

Others

0.74

0.35; 1.56

0.427

Mount Lebanon

0.34

0.17; 0.69

0.003

Specialty

General practitioner

ref

Surgeon

0.59

0.31; 1.15

0.121

Specialist

0.48

0.25; 0.91

0.024

Living with family members

No

ref

Yes

2.31

1.23; 4.34

0.010

Dentist’s role in teaching others about COVID-19

Not significant

ref

Moderately Significant

2.76

1.04; 7.31

0.041

Very Significant

2.13

0.82; 5.58

0.123

Afraid about family members to get infected with COVID-19

No

ref

Yes

2.05

1.00; 4.19

0.050

Knowledge index

1.15

1.08; 1.23

 < 0.001