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. 2022 Sep 1;29:101962. doi: 10.1016/j.pmedr.2022.101962

Table 1.

Demographic and Health-Related Characteristics of Respondents, Bivariate & Final Model Association for Willingness to Receive the COVID-19 Vaccination with a $600 Incentive.1,2,3

Categorical Variables Frequency Bivariate Unadjusted OR [95 % CI] Multivariable Adjusted OR [95 % CI]
Gender (N = 346)
Male 169 (48.8 %) Ref Ref
Female 177 (51.2 %) 0.86 (0.53, 1.38) 0.98 (0.51, 1.89)
Age (years) (N = 346)
60+ 80 (23.1 %) Ref 4
45–49 92 (26.6 %) 1.28 (0.61, 2.70)
30–44 115 (33.2 %) 1.90 (0.95, 3.77)
18–29 59 (17.1 %) 2.58 (1.20, 5.57)*
Race/Ethnicity (N = 346)
Non-Hispanic White 245 (70.8 %) Ref Ref
Non-Hispanic Black 42 (12.1 %) 2.21 (1.13, 4.35)* 0.93 (0.34, 2.58)
Hispanic 40 (11.6 %) 0.98 (0.46, 2.13) 0.47 (0.15, 1.48)
2 + races or other, non-Hispanic 19 (5.5 %) 0.55 (0.16, 1.96) 0.41 (0.09, 1.86)
Annual Income (N = 346)
More than $150,000 53 (15.3 %) Ref Ref
$100,000–149,999 59 (17.0 %) 1.17 (0.49, 2.78) 0.79 (0.27, 2.30)
$75,000–99,999 50 (14.5 %) 0.38 (0.12, 1.17) 0.27 (0.07, 1.10)
$50,000–74,999 73 (21.1 %) 1.57 (0.70, 3.54) 0.85 (0.28, 2.52)
Less than $50,000 111 (32.1 %) 1.78 (0.84, 3.78) 0.92 (0.30, 2.84)
Education (N = 346)
Bachelor’s degree or higher 62 (17.9 %) Ref Ref
Some college 133 (38.5 %) 1.10 (0.53, 2.29) 2.40 (0.82, 6.92)
High school degree or less 151 (43.6 %) 1.87 (0.93, 3.75) 3.11 (1.03, 9.42)
Political views (N = 342)
Very Conservative/ Conservative 154 (45.0 %) Ref Ref5
Moderate/Middle of the Road 101 (29.6 %) 1.18 (0.66, 2.11) 0.90 (0.40, 2.04)
Very Liberal/ Liberal 35 (10.2 %) 4.04 (1.88, 8.67)*** 4.25 (1.31, 13.80)
Prefer not to answer 52 (15.2 %) 1.13 (0.55, 2.36) 1.56 (0.55, 4.40)
Region of the country (N = 346)
Northeast 53 (15.3 %) Ref Ref
Midwest 83 (24.0 %) 1.20 (0.56, 2.59) 1.51 (0.52, 4.33)
South 143 (41.3 %) 1.01 (0.49, 2.06) 1.38 (0.50, 3.83)
West 67 (19.4 %) 0.87 (0.38, 2.00) 1.32 (0.43, 4.11)
Household member ≥ age 65 (N = 345)
No 255 (73.9 %) Ref Ref
Yes 90 (26.1 %) 0.67 (0.38, 1.19) 0.55 (0.26, 1.17)
Ever had a flu vaccine (N = 346)
No 169 (48.8 %) Ref Ref
Yes 177 (51.2 %) 0.97 (0.60, 1.56) 0.92 (0.47, 1.80)
Health condition making COVID-19 more severe (N = 346)
No 243 (70.2 %) Ref Ref
Yes 72 (20.8 %) 1.49 (0.84, 2.64) 0.97 (0.41, 2.30)
Not sure 31 (9.0 %) 1.04 (0.44, 2.44) 1.05 (0.31, 3.58)
Positive for COVID-19 (N = 343)
Believe to have had or tested positive for COVID-19 94 (27.4 %) Ref Ref
Do not believe to have had COVID-19 182 (53.1 %) 0.82 (0.48, 1.42) 0.76 (0.36, 1.60)
Unsure if have ever had COVID-19 67 (19.5 %) 0.65 (0.31, 1.33) 0.35 (0.14, 0.92)
View COVID-19 as a major problem in community (N = 345)
No 232 (67.2 %) Ref Ref
Yes 113 (32.8 %) 1.85 (1.13, 3.03)* 1.25 (0.59, 2.66)
Vaccine Uptake (N = 346)
Non-Acceptor 194 (56.1 %) Ref Ref
Waiting 152 (43.9 %) 4.43 (2.65, 7.40)*** 2.95 (1.41, 6.17)**
Scale Variables Mean Bivariate Regression Coefficient [95 % CI] Final Model Association Incentives [95 % CI]
Perceived COVID-19 severity (N = 345) 16.26 1.08 (1.04, 1.12)*** 1.01 (0.95, 1.08)
Effectiveness of behavioral strategies to protect self/others (N = 345) 18.92 1.07 (1.03, 1.11)** 0.95 (0.88, 1.02)
General vaccine attitudes (N = 343) 18.85 1.12 (1.06, 1.18)*** 1.00 (0.91, 1.10)
COVID vaccine attitudes (N = 338) 29.09 1.15 (1.10, 1.20)*** 1.13 (1.07, 1.20)***
COVID vaccine reasons (N = 333)

18.91 1.11 (1.08, 1.15)*** 1.06 (1.01, 1.12)*
1

Referent group in italics.

2

Bolded values are significant at *p < 0.05, **p < 0.01, ***p < 0.001.

3

The sample size for the bivariate models ranges from 342 to 346, the final model N = 319.

4

Age not included in final model.

5

Overall test of association was not significant; therefore, we did not interpret significance of pairwise comparisons.