Table 2 Multivariate logistic (1 and 3) and linear (2) regression models results

Model 1. Knowledge of the main modes of transmission about influenza A/H1N1, and that HCWs are a risk category

Log likelihood = −309.55, χ ² = 11.34 (3 df), p = 0.01

Having received information through scientific journals

1.63

0.31

1.12-2.38

0.011

Married

1.44

0.34

0.9-2.3

0.13

Need of additional information about influenza A/H1N1

1.35

0.27

0.9-2.01

0.14

Model 3. HCWs who had received influenza A/H1N1 vaccine

Log likelihood = −174.21, χ ² = 138.87 (5 df), p < 0.0001

Believe that influenza A/H1N1 vaccine is dangerous

0.79

0.05

0.7-0.88

<0.001

Believed that influenza A/H1N1 vaccine is useful

1.51

0.08

1.37-1.69

<0.001

Fear of contracting influenza A/H1N1

1.15

0.07

1.03-1.29

0.013

Wrong knowledge about the main modes of influenza A/H1N1 transmission and that HCWs are a risk category

0.54

0.18

0.29-1.03

0.06

Professional role

Physician*

1.0

-

-

-

Nurse

0.75

0.22

0.43-1.32

0.32

Variable

Coeff

SE

t

p value

Model 2. Fear of contracting influenza A/H1N1

F (6,515) = 23.82, p < 0.0001, R² = 2.17%, adjusted R² = 2.08%

Knowledge about the main modes of influenza A/H1N1 transmission and that HCWs are a risk category

0.77

0.2

3.88

<0.001

Believe that influenza A/H1N1 is a serious disease

2.99

0.31

9.64

<0.001

Younger age

−0.03

0.01

−2.7

0.007

Ward activity

 Medicine*

1.0

-

-

-

 Surgery

0.4

0.19

2.08

0.04

Believe that influenza A/H1N1 is a preventable disease

−0.33

0.19

−1.75

0.08

Professional role

 Physician*

1.0

-

-

-

 Nurse

0.22

0.21

1.07

0.29