Table 4.

- Socio-demographic predictors of influenza vaccination related knowledge.

Variables	Estimate	CI lower limit	CI upper limit	P-value	Estimate	CI lower limit	CI upper limit	P-value
Gender					NOT INCLUDED IN THE ANALYSIS
Female
Male	0.04	-0.59	0.68	0.896
Nationality
Non-Saudi
Saudi	-0.51	-1.67	0.65	0.386
Age (years)
18-25
26-35	-0.01	-0.53	0.52	0.980	0.10	-0.47	0.68	0.729
36-45	0.08	-0.61	0.77	0.813	0.36	-0.40	1.11	0.351
46-55	0.04	-0.57	0.65	0.904	0.41	-0.32	1.14	0.271
56-65	-1.28	-2.66	0.11	0.071	-1.10	-2.46	0.26	0.113
66-75	1.26	-0.51	3.02	0.163	1.19	-0.53	2.91	0.175
Education
Bachelor
Doctorate	1.18	-0.36	2.71	0.132	0.73	-0.68	2.15	0.308
High school	-0.07	-0.67	0.52	0.805	-0.14	-0.69	0.42	0.627
Master	-0.07	-2.23	2.08	0.946	-0.12	-2.10	1.86	0.904
Middle school	-0.41	-2.17	1.36	0.649	0.03	-1.59	1.65	0.974
Primary grade	-0.07	-2.23	2.08	0.946	-0.64	-3.05	1.78	0.604
Marital status
Married
Separated	0.32	-0.93	1.56	0.618	0.75	-0.69	2.18	0.307
Single	0.26	-0.18	0.70	0.241	0.41	-0.15	0.97	0.155
Widow	-1.45	-2.60	-0.29	0.015	-1.46	-2.54	-0.38	0.008*
Occupation					NOT INCLUDED IN THE ANALYSIS
Employee
Non-employee	-0.03	-0.54	0.49	0.921
Student	-0.10	-0.61	0.42	0.711
Received vaccine
No
Yes	1.26	0.86	1.67	<0.001	1.15	0.73	1.56	<0.001*

CI: confidence interval