Table 3.

Knowledge of the influenza vaccine in the age, education and income group analysis- July 20–31, 2015 (N = 1,035).

	Young (n = 172)	%	Middle (n = 645)	%	Elder (n = 218)	%	X2	p	Education1 (n = 591)	%	Education2 (n = 444)	%	X2	p	$3001-$6000 (n = 608)	%	>$6000 (n = 427)	%	X2	p
Knowledge
What population needs the influenza vaccine? (multiple choice)
Children (6 months to 5 years old)	157	91.28	595	92.25	166	76.15	0.34	0.84	510	86.29	408	91.89	0.80	0.37	553	90.95	365	85.48	0.77	0.38
Elderly people (>60 years)	67	38.95	251	38.91	64	29.36	0.82	0.37	168	28.43	214	48.20	20.11	<0.001	238	39.14	144	33.72	0.82	0.37
Chronic disease patients	47	27.33	178	27.60	40	18.35	0.79	0.67	117	19.80	148	33.33	12.83	<0.001	165	27.14	100	23.42	0.00	0.95
Medical staff	67	38.95	253	39.22	51	23.39	0.32	0.85	157	26.57	214	48.20	22.32	<0.001	221	36.35	150	35.13	0.11	0.74
Those who work with baby and children	78	45.35	317	49.15	80	36.70	2.33	0.31	238	40.27	237	53.38	5.35	0.02	271	44.57	204	47.78	1.76	0.18
What seasons are recommended for influenza vaccination? (multiple choice)
January to March	33	19.19	163	25.27	67	30.73	18.76	<0.001	150	25.38	113	25.45	0.08	0.78	162	26.64	101	23.65	0.34	0.56
April to June	46	26.74	218	33.80	67	30.73	10.26	0.01	165	27.92	166	37.39	3.84	0.05	201	33.06	130	30.44	0.02	0.89
July to September	48	27.91	172	26.67	38	17.43	0.52	0.77	143	24.20	115	25.90	0.02	0.88	150	24.67	108	25.29	0.43	0.51
October to December	20	11.63	102	15.81	39	17.89	10.30	0.01	76	12.86	85	19.14	5.40	0.02	99	16.28	62	14.52	0.14	0.71
Do not know	65	37.79	208	32.25	49	22.48	0.59	0.74	213	36.04	109	24.55	14.75	<0.001	192	31.58	130	30.44	0.13	0.72
How necessary do you think vaccinating every year is?							0.78	0.68					1.39	0.24					0.32	0.57
Necessary	88	51.16	353	54.73	105	48.17			318	53.81	228	51.35			315	51.81	231	54.10
Not necessary	81	47.09	309	47.91	81	37.16			257	43.49	214	48.20			280	46.05	191	44.73