Skip to main content
. 2022 Jun 1;17(6):e0268587. doi: 10.1371/journal.pone.0268587

Table 1. Sample characteristics by COVID-19 vaccine willingness.

Variables COVID-19 vaccine willingness
Total (N = 2,007) Yes No P value
N % N %
Age (median, IQR) 58 (45, 67) 59 (46, 67) 47.5 (34, 58) <0.001
Sex 0.238
Male 437 21.8% 396 21.5% 41 25.5%
Female 1,569 78.2% 1,449 78.5% 120 74.5%
Race 0.47
White 1,894 94.4% 1,750 96.1% 144 94.1%
Black/African American 11 0.5% 10 0.5% 1 0.7%
Asian/Pacific Islander/Other 69 3.4% 61 3.3% 8 5.2%
Ethnicity 0.896
No, not Hispanic/Latino 1,858 92.6% 1,713 93.8% 145 93.5%
Yes, Hispanic/Latino 123 6.1% 113 6.2% 10 6.5%
Income (U.S. dollars, USD) <0.001
<30K 451 22.5% 398 21.6% 53 32.7%
30K-50K 365 18.2% 327 17.7% 38 23.5%
50K-100K 758 37.8% 714 38.7% 44 27.2%
>100K 433 21.6% 406 22.0% 27 16.7%
Employment <0.001
Full/part-time 1,174 58.5% 1,057 57.3% 117 72.2%
Unemployed/disabled/other 253 12.6% 224 12.1% 29 17.9%
Retired 553 27.6% 539 29.2% 14 8.6%
Student 27 1.3% 25 1.4% 2 1.2%
Loss of Employment 0.001
No 1,613 80.4% 1,499 81.2% 114 70.4%
Yes, but return to work 241 12.0% 207 11.2% 34 21.0%
Yes, looking for jobs 153 7.6% 139 7.5% 14 8.6%
COVID PCR test results (n = 1,326) 0.082
Negative 1,163 57.9% 1,091 88.1% 72 81.8%
Positive 163 8.1% 147 11.9% 16 18.2%
Likelihood of Flu vaccination <0.001
Not at all 216 10.8% 102 5.5% 114 70.4%
Not likely 35 1.7% 28 1.5% 7 4.3%
Somewhat likely 38 1.9% 34 1.8% 4 2.5%
Likely 57 2.8% 56 3.0% 1 0.6%
Very likely 217 10.8% 216 11.7% 1 0.6%
Already received 1,441 71.8% 1,406 76.3% 35 21.6%
Concerned about COVID-19 <0.001
Not at all 181 9.0% 104 5.6% 77 47.5%
A little 254 12.7% 213 11.5% 41 25.3%
Somewhat concerned 346 17.2% 326 17.7% 20 12.3%
Concerned 550 27.4% 540 29.3% 10 6.2%
Very much concerned 676 33.7% 662 35.9% 14 8.6%

Key: N = number in the sample, IQR = Interquartile Range (25%-75%), P-values obtained either by Chi-Square or Kruskal-Wallis tests of significance.