Table 5.

Results of multivariate linear regression analysis for covariates associated with higher level of knowledge (score > 12)

Variables	SE	Ba	T	P-value
Marital status	0.069	0.006	0.162	0.871
Insurance	0.177	−0.032	−0.962	0.336
Income	0.172	0.115	3.338	0.001*
Working in medical field	0.243	−0.209	−6.313	0.000*
Level of education	0.080	0.111	3.187	0.001*
Source of medical information	0.072	0.054	1.655	0.098
Have you ever had seasonal influenza vaccine	0.188	−0.119	−3.708	0.000*
Age	0.008	0.079	2.002	0.046*

^aStandardized coefficient.

*Significant at P-value < 0.05.