Table 3 Multivariate logistic and linear regression analyses indicating associations between independent variables and the different outcomes
From: Seasonal influenza vaccination in pregnant women: knowledge, attitudes, and behaviors in Italy
Variable | OR | SE | 95% CI | p value |
Model 1. Knowledge that influenza is more dangerous for pregnant women (sample size = 372) | ||||
Log likelihood = -186.11, χ 2 = 116.25 (8 df), p < 0.0001 | ||||
Educational level | ||||
 College degree or higher | 1a |  |  |  |
 None or primary school | 0.08 | 0.06 | 0.02-0.36 | 0.001 |
 Secondary school | 0.11 | 0.05 | 0.04-0.28 | <0.001 |
Having a high-risk pregnancy | 11.43 | 9.55 | 2.22-58.85 | 0.004 |
Italian nationality | 4.97 | 2.81 | 1.64-15.09 | 0.005 |
Age | 1.07 | 0.03 | 1.01-1.13 | 0.011 |
Having received information about influenza and its vaccination | 1.65 | 0.44 | 0.97-2.79 | 0.06 |
Number of children | ||||
 0 | 1a |  |  |  |
 1 | 1.67 | 0.47 | 0.96-2.91 | 0.07 |
Marital status | 0.63 | 0.28 | 0.26-1.53 | 0.313 |
Variable | Coeff. | SE | t | p value |
Model 2. Positive attitude towards the usefulness of the influenza vaccine in pregnancy (sample size = 372) | ||||
F (12, 359) = 14.54, p < 0.0001, R 2 = 0.32%, adjusted R 2 = 0.3% | ||||
Age | -0.09 | 0.02 | -3.54 | <0.001 |
Having received information about influenza and its vaccination | 1.06 | 0.23 | 4.57 | <0.001 |
Knowledge that influenza is more dangerous for pregnant women | 0.66 | 0.29 | 2.23 | <0.001 |
Knowledge that the vaccine could protect pregnant women against influenza | 1.21 | 0.29 | 4.18 | <0.001 |
Educational level | ||||
 College degree or higher | 1a |  |  |  |
 None or primary school | 0.91 | 0.58 | 1.58 | 0.115 |
 Secondary school | -0.85 | 0.29 | -2.89 | 0.004 |
Number of children | ||||
 0 | 1a |  |  |  |
  > 1 | -0.82 | 0.32 | -2.58 | 0.01 |
Marital status | -1.03 | 0.41 | -2.56 | 0.011 |
Self-rated health status | 0.15 | 0.07 | 2.15 | 0.033 |
Having a high-risk pregnancy | 0.74 | 0.38 | 1.94 | 0.053 |
Perceive dangerous for the unborn if the women contract the influenza during pregnancy | 0.06 | 0.05 | 1.05 | 0.295 |
Italian nationality | 0.42 | 0.46 | 0.89 | 0.375 |
Variable | OR | SE | 95% CI | p value |
Model 3. Positive attitude towards willingness to receive the influenza vaccine in pregnancy (sample size = 336) | ||||
Log likelihood = -150.08, χ 2 = 48.99 (11 df), p < 0.0001 | ||||
Positive attitude toward the usefulness of influenza vaccination in pregnancy | 1.35 | 0.11 | 1.14-1.59 | <0.001 |
Knowledge that the vaccine could protect pregnant women against influenza | 3.03 | 1.24 | 1.35-6.77 | 0.007 |
Number of children | ||||
 0 | 1a |  |  |  |
 1 | 2.41 | 0.92 | 1.15-5.08 | 0.02 |
  > 1 | 3.34 | 1.62 | 1.29-8.67 | 0.013 |
Knowledge that influenza is more dangerous for pregnant women | 0.45 | 0.19 | 0.19-1.06 | 0.068 |
Italian nationality | 2.58 | 1.59 | 0.77-8.62 | 0.122 |
Perceive dangerous for the unborn if the women contract the influenza during pregnancy | 0.89 | 0.07 | 0.76-1.05 | 0.183 |
Self-rated health status | 0.88 | 0.08 | 0.72-1.06 | 0.185 |
Educational level | ||||
 College degree or higher | 1a |  |  |  |
 Secondary school | 1.44 | 0.52 | 0.71-2.92 | 0.306 |
Marital status | 0.6 | 0.3 | 0.22-1.65 | 0.326 |
Age | 0.97 | 0.03 | 0.91-1.03 | 0.364 |