Table 3.

Logistic regression analysis for the factors associated with residents’ willingness of influenza A (H7N9) vaccine uptake in Beijing, China.

Variables	Willingness to take H7N9 vaccine in the future
	%(n/N)	Unadjusted		Adjusted
		OR (95% CI)	P value	OR (95% CI)	P value
Gender
Female	63.4(2000/3156)	1.13(1.02–1.25)	0.020	1.09(0.96–1.22)	0.175
Male	60.5(1845/3050)	1.00(referent)		1.00(referent)
Age (years)
18–29	62.4(799/1280)	1.00(0.84–1.18)	0.969	1.52(1.17–1.97)	0.001
30–39	62.4(796/1275)	1.00(0.84–1.18)	0.972	1.39(1.08–1.78)	0.012
40–49	59.8(784/1310)	0.89(0.76–1.05)	0.183	1.11(0.87–1.40)	0.400
50–59	63.1(773/1226)	1.02(0.87–1.21)	0.784	1.22(0.99–1.51)	0.061
≥60	62.5(690/1104)	1.00(referent)		1.00(referent)
Highest education
Illiterate	71.4(75/105)	1.00(referent)		1.00(referent)
Primary school	71.3(308/432)	0.99(0.62–1.59)	0.979	1.13(0.66–1.92)	0.653
Junior high school	67.6(1060/1568)	0.83(0.54–1.29)	0.417	1.22(0.74–2.01)	0.443
Senior high school	62.0(1204/1942)	0.65(0.42–1.01)	0.053	1.13(0.68–1.88)	0.635
3-year college graduate or higher	55.8(1196/2143)	0.51(0.33–0.78)	0.002	1.11(0.66–1.86)	0.700
Occupation
Other Employeesa	57.2(1738/3037)	1.00(referent)		1.00(referent)
Students	56.1(124/221)	0.96(0.73–1.26)	0.746	0.73(0.53–1.02)	0.068
Farmers	76.0(1198/1577)	2.36(2.06–2.71)	<0.001	1.61(1.32–1.96)	<0.001
Healthcare workers	60.8(101/166)	1.16(0.84–1.60)	0.359	1.05(0.74–1.51)	0.775
Retirees	53.6(451/842)	0.86(0.74–1.00)	0.058	0.94(0.75–1.19)	0.612
Unemployed people	65.3(235/360)	1.41(1.12–1.77)	0.004	1.36(1.04–1.78)	0.025
Living area
Urban	50.7(1537/3030)	1.00(referent)		1.00(referent)
Suburban	72.7(2312/3180)	2.59(2.33–2.88)	<0.001	2.18(1.89–2.51)	<0.001
Numbers of children
0	62.6(2134/3408)	1.00(referent)		1.00(referent)
1	60.2(1488/2470)	0.90(0.81–1.01)	0.065	0.93(0.82–1.06)	0.258
≥2	71.2(188/264)	1.48(1.12–1.94)	0.006	1.41(1.03–1.92)	0.030
H7N9 will remain in China (perceived risk in China)
No	55.4(1146/2070)	1.00(referent)		1.00(referent)
Yes	65.4(2693/4118)	1.52(1.37–1.70)	<0.001	1.30(1.15–1.48)	<0.001
H7N9 is a serious disease (perceived severity of disease)
No	53.7(621/1157)	1.00(referent)		1.00(referent)
Yes	63.9(3222/5043)	1.53(1.34–1.74)	<0.001	1.03(0.88–1.20)	0.731
I am afraid of being infected (perceived susceptibility to disease)
No	47.5(1467/3086)	1.00(referent)		1.00(referent)
Yes	76.3(2381/3120)	3.56(3.19–3.96)	<0.001	3.13(2.73–3.58)	<0.001
My daily life is affected by H7N9(perceived negative effect on daily life)
No	55.3(2467/4460)	1.00(referent)		1.00(referent)
Yes	79.1(1377/1741)	3.06(2.68–3.48)	<0.001	1.32(1.13–1.55)	0.001
H7N9 vaccine can prevent infections (perceived effectiveness of vaccination)
No	50.7(1670/3293)	1.00(referent)		1.00(referent)
Yes	74.9(2163/2887)	2.90(2.61–3.24)	<0.001	2.34(2.07–2.64)	<0.001
Uptake of influenza vaccine in the past year
No	59.0(2885/4889)	1.00(referent)		1.00(referent)
Yes	73.1(958/1311)	1.89(1.65–2.16)	<0.001	2.26(1.92–2.66)	<0.001

Note: CI = Confidence Intervals, OR = Odds Ratio.

^aOther employees: factory workers, government employees, and employees from business and service industry.