Table 3.

Factors associated with vaccine acceptance on COVID-19 and seasonal influenza among reproductive women aged 18–49 years in China by multivariate logistic regression models.

Factors	Vaccine acceptance of COVID-19		Vaccine acceptance of seasonal influenza
	Adjusted odds ratio (95% CI)	p-value	Adjusted odds ratio (95% CI)	p-value
Region		<0.001*		<0.001*
Eastern	1.00		1.00
Central	1.75 (1.30, 2.35)	0.001	1.86 (1.45, 2.40)	<0.001*
Western	1.80 (1.27, 2.56)	<0.001*	2.31 (1.70, 3.13)	0.138
Age group (years)		<0.001*		<0.001*
≤20	1.00		1.00
21–25	1.06 (0.66, 1.71)	0.854	0.81 (0.54, 1.23)	0.318
26–30	0.60 (0.38, 0.94)	0.027*	0.59 (0.39, 0.89)	0.026*
31–35	0.40 (0.26, 0.64)	<0.001*	0.42 (0.28, 0.64)	<0.001*
36–40	0.56 (0.33, 0.95)	0.040*	0.42 (0.27, 0.66)	<0.001*
41–45	0.54 (0.31, 0.95)	0.040*	0.30 (0.19, 0.49)	<0.001*
>45	0.39 (0.22, 0.70)	0.002*	0.27 (0.16, 0.44)	<0.001*
History of influenza vaccination			<0.001*
Yes			1.00
No			0.34 (0.25, 0.47)	<0.001*
Score of knowledge a		0.041*		<0.001*
Low	1.00		1.00
Moderate	1.44 (1.05, 1.96)	0.030*	1.61 (1.24, 2.11)	<0.001*
High	1.38 (1.01, 1.91)	0.050*	2.08 (1.56, 2.77)	<0.001*
Perceived susceptibility		<0.001*		<0.001*
Low	1.00		1.00
Moderate	1.37 (1.01, 1.86)	0.041*	2.14 (1.65, 2.78)	<0.001*
High	2.21 (1.56, 3.12)	<0.001*	2.43 (1.81, 3.27)	<0.001*
Perceived barriers		<0.001*		<0.001*
Low	1.00		1.00
Moderate	0.68 (0.45, 1.01)	0.059	0.70 (0.51, 0.97)	0.030*
High	0.36 (0.25, 0.52)	<0.001*	0.53 (0.39, 0.70)	<0.001*
Cues to action		<0.001*		<0.001*
Low	1.00		1.00
Moderate	2.45 (1.80, 3.33)	<0.001*	2.46 (1.88, 3.23)	<0.001*
High	6.39 (4.41, 9.25)	<0.001*	4.19 (3.17, 5.54)	<0.001*

^aThe knowledge scores on the disease and the respective vaccines. Factors that were not significantly associated with vaccine hesitancy are not shown in the table.