Table 2.

Coverage rates of seasonal influenza vaccination among older people in Pudong New Area, Shanghai, in the 2016–17 influenza season (n = 4417).

Characteristics	No. of Vaccinated Individuals	Raw VCR(95% CI)	Adjusted VCR(95% CI)	OR(95%CI)	p
Total	253	5.7(5.1-6.5)	5.2(4.5-5.8)
Gender
Male	113	5.5(4.6-6.6)	5.0(4.1-6.0)	ref
Female	140	5.9(5.0-7.0)	5.3(4.3-6.2)	1.2(0.8-1.6)	0.41
Age group (years)
60-69	114	6.2(5.1-7.4)	5.6(4.5-6.7)	0.9(0.6-1.4)	0.76
70-79	71	4.8(3.7-6.0)	4.2(3.1-5.2)	0.8(0.5-1.2)	0.25
≥80	68	6.3(5.0-8.0)	5.8(4.3-7.2)	ref
Education attainment
Primary school	119	5.4(4.5-6.4)	4.4(3.5-5.3)	ref
Secondary school	96	6.6(5.4-8.0)	6.4(5.0-7.7)	1.5(1.0 -2.1)	0.06
High school	31	5.7(3.9-8.0)	5.2(3.3-7.1)	1.0(0.6-1.8)	0.91
Bachelor's degree or above	7	3.3(1.3-6.6)	3.6(1.0-6.2)	0.5(0.1-1.6)	0.22
Self-evaluation of health situation
Very healthy	6	4.0(1.5-8.6)	3.9(0.4-7.5)	Ref
Healthy	91	5.7(4.6-7.0)	4.9(3.8-6.0)	1.5(0.4-5.2)	0.51
Normal	131	5.8(4.9-6.9)	5.5(4.5-6.5)	1.6(0.5-5.4)	0.48
Unhealthy	25	5.8(3.8-8.4)	5.1(2.9-7.3)	2.1(0.6-7.8)	0.26
Living status
Live alone	18	3.9(2.3-6.1)	2.4(1.5-5.3)	Ref
Live with family	235	5.9(5.2-6.7)	5.3(4.6-6.1)	2.7(1.9-3.2)	0.04
Monthly household income, (Chinese yuan)
<2000	39	5.6(4.0-7.6)	4.8(3.1-6.6)	1.2(0.7-2.4)	0.51
2000-4999	83	5.3(4.3-6.6)	4.9(3.8-6.1)	1.1(0.6-1.9)	0.78
5000-7999	49	6.1(4.6-8.0)	5.5(3.9-7.1)	1.2(0.7-2.1)	0.59
≥8000	19	5.0(3.1-7.7)	4.5(2.4-6.5)	Ref
Underlying chronic diseases
Chronic respiratory diseases	14	4.0(2.1-6.1)	3.0(1.3-4.9)	1.1(0.7-1.8)	0.67
Diabetes	59	6.6(5.1-8.3)	6.2(4.5-8.1)	0.5(0.3-1.1)	0.08
Cardiovascular disease	46	5.1(3.8-6.7)	4.6(3.2-6.2)	0.9(0.5-1.4)	0.55

¹In China, secondary school education refers to the three-year period between primary school and high school. The ages of secondary school students are approximately 12 to 15 years old.

²US dollar≈6.43 Chinese yuan.

Respondents whose monthly household income was unknown were not included in this analysis.