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. 2021 Nov 30;17(12):4761–4798. doi: 10.1080/21645515.2021.1984134

Table 1.

Characteristics of study participants and COVID-19 vaccination intent

Characteristica Overall
n = 4486
COVID-19 vaccination intent
OR (95% CI)b p-Value
Very
unlikely
n = 868
Somewhat
unlikely
n = 509
Neither likely
nor unlikely
n = 701
Somewhat
likely
n = 984
Very
likely
n = 1424
INDIVIDUAL CHARACTERISTICS                
Age (y) 66.9 (7.5) 65.2 (7.2) 65.5 (7.3) 65.8 (7.1) 67.3 (7.5) 68.8 (7.5) 0.97 (0.96–0.98) <0.0001
Gender               <0.0001
 Female 2954 (66%) 662 (76%) 368 (72%) 542 (77%) 639 (65%) 743 (52%) 1.00 (ref)  
 Male 1532 (34%) 206 (24%) 141 (28%) 159 (23%) 345 (35%) 681 (48%) 0.55 (0.49–0.62)  
Race/ethnicity               <0.0001
 Black 1715 (38%) 425 (49%) 293 (58%) 358 (51%) 392 (40%) 247 (17%) 1.00 (ref)  
 White 2482 (55%) 398 (46%) 182 (36%) 286 (41%) 528 (54%) 1088 (76%) 0.40 (0.35–0.44)  
 All other groups 289 (6%) 45 (5%) 34 (7%) 57 (8%) 64 (7%) 89 (6%) 0.59 (0.47–0.73)  
Racial/gender groups               <0.0001
 Black women 1290 (29%) 337 (39%) 230 (45%) 283 (40%) 273 (28%) 167 (12%) 1.00 (ref)  
 White women 1481 (33%) 291 (34%) 114 (22%) 214 (31%) 332 (34%) 530 (37%) 0.45 (0.40–0.52)  
 Black men 425 (9%) 88 (10%) 63 (12%) 75 (11%) 119 (12%) 80 (6%) 0.73 (0.60–0.89)  
 White men 1001 (22%) 107 (12%) 68 (13%) 72 (10%) 196 (20%) 558 (39%) 0.21 (0.18–0.25)  
 All other racial/ethnic groups 289 (6%) 45 (5%) 34 (7%) 57 (8%) 64 (7%) 89 (6%) 0.51 (0.40–0.64)  
Educational attainment               <0.0001
 Less than high school 186 (4%) 43 (5%) 22 (4%) 43 (6%) 36 (4%) 42 (3%) 0.90 (0.69–1.18)  
 High school or some college 2159 (49%) 491 (58%) 296 (59%) 404 (59%) 462 (48%) 506 (36%) 1.00 (ref)  
 College or above 2054 (47%) 311 (37%) 184 (37%) 241 (35%) 466 (48%) 852 (61%) 0.62 (0.56–0.70)  
Household income               <0.0001
 <$15000 827 (18%) 204 (24%) 121 (24%) 184 (26%) 166 (17%) 152 (11%) 1.00 (ref)  
 $15000 to $49999 1708 (38%) 384 (44%) 219 (43%) 291 (42%) 381 (39%) 433 (30%) 0.92 (0.79–1.07)  
 $50000+ 1947 (43%) 280 (32%) 169 (33%) 225 (32%) 436 (44%) 837 (59%) 0.59 (0.51–0.69)  
Chronic disease               0.33
 No chronic disease 825 (19%) 158 (18%) 87 (17%) 98 (14%) 175 (18%) 307 (22%) 1.00 (ref)  
 Any chronic disease 3616 (81%) 701 (82%) 420 (83%) 593 (86%) 803 (82%) 1099 (78%) 1.07 (0.93–1.23)  
  Diabetes 1686 (38%) 362 (42%) 209 (42%) 309 (44%) 370 (38%) 436 (31%) 1.05 (0.93–1.19) 0.41
  Chronic lung disease 1155 (26%) 253 (30%) 138 (28%) 195 (29%) 247 (26%) 322 (23%) 1.11 (0.98–1.26) 0.10
  Cardiovascular disease 3040 (68%) 586 (68%) 360 (71%) 515 (74%) 677 (69%) 902 (64%) 1.06 (0.93–1.20) 0.41
  Kidney disease 245 (6%) 34 (4%) 24 (5%) 49 (7%) 57 (6%) 81 (6%) 0.81 (0.64–1.04) 0.10
  Cancer under active treatment 236 (5%) 37 (4%) 30 (6%) 30 (4%) 50 (5%) 89 (6%) 0.84 (0.65–1.08) 0.18
  Other chronic disease 890 (20%) 170 (20%) 126 (25%) 172 (25%) 203 (21%) 219 (16%) 1.08 (0.94–1.24) 0.29
Body mass index (kg/m2) 30.1 (7.7) 31.2 (8.1) 31.2 (7.9) 31.5 (8.0) 29.8 (7.9) 28.4 (6.7) 1.01 (1.01–1.02) <0.0001
Self-reported health status               0.71
 Excellent 472 (11%) 98 (11%) 39 (8%) 60 (9%) 71 (7%) 204 (14%) 1.00 (ref)  
 Very good 1613 (36%) 309 (36%) 169 (33%) 194 (28%) 362 (37%) 579 (41%) 1.09 (0.90–1.31)  
 Good 1629 (36%) 315 (36%) 202 (40%) 304 (43%) 357 (36%) 451 (32%) 1.12 (0.93–1.36)  
 Fair 677 (15%) 124 (14%) 92 (18%) 125 (18%) 178 (18%) 158 (11%) 1.17 (0.94–1.45)  
 Poor 93 (2%) 22 (3%) 7 (1%) 18 (3%) 15 (2%) 31 (2%) 1.13 (0.76–1.69)  
Smoking status               0.23
 nonsmoker 4007 (89%) 764 (88%) 446 (88%) 612 (88%) 871 (89%) 1314 (92%) 1.00 (ref)  
 Current smoker 477 (11%) 104 (12%) 63 (12%) 87 (12%) 113 (11%) 110 (8%) 1.11 (0.94–1.32)  
Employment status               0.81
 Not currently employed 3083 (69%) 567 (65%) 335 (66%) 491 (70%) 677 (69%) 1013 (71%) 1.00 (ref)  
 Currently employed 1399 (31%) 300 (35%) 174 (34%) 210 (30%) 306 (31%) 409 (29%) 0.99 (0.87–1.11)  
Time spent working within 6 ft of others (hours/day; among those working)               0.06
 0 467 (33%) 90 (30%) 51 (29%) 72 (34%) 93 (30%) 161 (39%) 1.00 (ref)  
 0.1 to <1 310 (22%) 56 (19%) 28 (16%) 56 (27%) 72 (24%) 98 (24%) 1.04 (0.80–1.35)  
 1 to <3 153 (11%) 29 (10%) 32 (19%) 17 (8%) 33 (11%) 42 (10%) 1.44 (1.04–2.00)  
 ≥3 467 (33%) 125 (42%) 62 (36%) 65 (31%) 107 (35%) 108 (26%) 1.27 (1.01–1.60)  
Household composition               0.04
 Lives alone 1338 (30%) 294 (34%) 146 (29%) 238 (34%) 297 (31%) 363 (26%) 1.00 (ref)  
 Lives with other adult(s) and no children 2669 (60%) 456 (53%) 295 (59%) 377 (55%) 583 (61%) 958 (68%) 0.90 (0.80–1.02)  
 Lives with child(ren) 414 (9%) 108 (13%) 61 (12%) 75 (11%) 81 (8%) 89 (6%) 1.13 (0.92–1.38)  
Spirituality/religiosity               <0.0001
 Very 2279 (52%) 526 (62%) 294 (58%) 386 (56%) 475 (49%) 598 (42%) 1.00 (ref)  
 Fairly 1512 (34%) 254 (30%) 156 (31%) 229 (33%) 358 (37%) 515 (37%) 0.75 (0.66–0.84)  
 Slightly/ Not at all 631 (14%) 68 (8%) 54 (11%) 74 (11%) 138 (14%) 297 (21%) 0.55 (0.47–0.65)  
Health insurance status               <0.0001
 Any Medicare/Medicaid 2976 (66%) 530 (61%) 317 (62%) 465 (66%) 665 (68%) 999 (70%) 1.00 (ref)  
 Any private/no Medicare or Medicaid 1063 (24%) 211 (24%) 118 (23%) 164 (23%) 233 (24%) 337 (24%) 0.84 (0.73–0.97)  
 Only military/other 296 (7%) 82 (9%) 46 (9%) 45 (6%) 57 (6%) 66(5%) 1.24 (0.99–1.55)  
 No health insurance 142 (3%) 42 (5%) 27 (5%) 26 (4%) 28 (3%) 19 (1%) 1.55 (1.13–2.12)  
Self-rated reading abilityc 1.4 (0.8) 1.5 (0.8) 1.5 (0.8) 1.5 (0.8) 1.4 (0.7) 1.3 (0.6) 1.19 (1.10–1.27) <0.0001
Confidence in filling out medical formsd 1.4 (0.7) 1.4 (0.8) 1.5 (0.8) 1.5 (0.8) 1.4 (0.7) 1.3 (0.6) 1.17 (1.08–1.26) <0.0001
Need help reading materials from doctors 194 (4%) 37 (4%) 36 (7%) 43 (6%) 36 (4%) 42 (3%) 1.22 (0.94–1.58) 0.13
Experience of discrimination in healthcare due to race or socioeconomic status               0.005
 No experience 3641 (81%) 655 (75%) 386 (76%) 521 (74%) 800 (81%) 1279 (90%) 1.00 (ref)  
 Experienced discrimination 598 (13%) 154 (18%) 94 (18%) 126 (18%) 129 (13%) 95 (7%) 1.29 (1.10–1.52)  
 Unknown 247 (6%) 59 (7%) 29 (6%) 54 (8%) 55(6%) 50 (4%) 1.17 (0.93–1.48)  
COVID-19 preventive behaviors                
 Personal protective behaviors scoree 25.3 (4.7) 24.7 (6.1) 25.6 (4.5) 25.9 (4.4) 25.5 (4.2) 25.1 (4.2) 0.96 (0.95–0.97) <0.0001
 Community protective behaviors scoref 18.3 (4.8) 17.3 (6.1) 18.4 (4.8) 18.5 (4.6) 18.6 (4.4) 18.6 (4.1) 0.94 (0.93–0.96) <0.0001
Perceived likelihood of getting COVID-19g 2.4 (1.0) 2.1 (1.1) 2.4 (1.0) 2.4 (1.1) 2.5 (1.0) 2.4 (1.0) 0.84 (0.79–0.88) <0.0001
Perceived likelihood of surviving COVID-19g 3.7 (1.3) 3.9 (1.3) 3.6 (1.3) 3.6 (1.2) 3.7 (1.2) 3.7 (1.3) 1.01 (0.96–1.05) 0.81
COVID-19 testing               0.06
 Never tested 2655 (59%) 533 (62%) 281 (55%) 400 (57%) 565 (58%) 876 (62%) 1.00 (ref)  
 Tested negative 1674 (37%) 310 (36%) 198 (39%) 276 (40%) 388 (40%) 502 (35%) 0.88 (0.78–0.98)  
 Ever tested positive 140 (3%) 23 (3%) 29 (6%) 21 (3%) 28 (3%) 39 (3%) 0.88 (0.65–1.20)  
Household member tested positive for COVID-19 (among those living with others)               0.94
 No 3004 (96%) 552 (97%) 335 (94%) 442 (96%) 653 (96%) 1022 (97%) 1.00 (ref)  
 Yes 119 (4%) 20 (4%) 20 (6%) 17 (4%) 27 (4%) 35 (3%) 0.99 (0.71–1.38)  
Had or intend to have an influenza vaccination in 2019–2021               <0.0001
 Yes 3478 (78%) 456 (53%) 361 (71%) 490 (70%) 841 (86%) 1330 (94%) 1.00 (ref)  
 No 986 (22%) 402 (47%) 147 (29%) 206 (30%) 140 (14%) 91 (6%) 4.19 (3.66–4.79)  
Childhood vaccines are safe               <0.0001
 Yes 4184 (94%) 714 (83%) 465 (92%) 645 (93%) 957 (98%) 1403 (99%) 1.00 (ref)  
 No 264 (6%) 143 (17%) 41 (8%) 47 (7%) 19 (2%) 14 (1%) 5.38 (4.22–6.87)  
Confidence in COVID-19 vaccine effectivenessh 3.0 (1.3) 2.0 (1.3) 2.2 (1.0) 2.7 (1.0) 3.3 (1.1) 3.9 (1.1) 0.41 (0.39–0.43) <0.0001
Confidence in COVID-19 vaccine safetyh 3.1 (1.4) 2.0 (1.3) 2.2 (1.1) 2.7 (1.0) 3.3 (1.1) 4.0 (1.1) 0.41 (0.39–0.43) <0.0001
COMMUNITY CHARACTERISTICS                
Urban/rural status               0.0003
 Urban/suburban resident 3557 (79%) 661 (76%) 403 (79%) 556 (79%) 769 (78%) 1168 (82%) 1.00 (ref)  
 Rural resident 928 (21%) 206 (24%) 106 (21%) 145 (21%) 215 (22%) 256 (18%) 1.27 (1.12–1.45)  
State influenza vaccination ranking 60.6 (3.9) 60.3 (3.7) 60.5 (3.8) 60.4 (4.0) 60.3 (3.9) 61.0 (3.9) 1.00 (0.98–1.01) 0.76
Area Deprivation Index ranking 2018 62.7 (25.4) 68.7 (23.3) 67.7 (23.6) 67.3 (24.0) 62.7 (24.8) 54.9 (26.2) 1.01 (1.01–1.01) <0.0001
COVID-19 community burden 22.8 (14.7) 22.5 (14.3) 22.1 (13.8) 22.6 (14.8) 24.0 (15.1) 22.6 (14.9) 1.00 (1.00–1.00) 0.51
Unacast social distancing grade 0.93 (0.15) 0.92 (0.15) 0.92 (0.16) 0.92 (0.15) 0.93 (0.14) 0.94 (0.14) 0.54 (0.37–0.77) 0.0007
Pandemic Vulnerability Index 0.55 (0.04) 0.55 (0.04) 0.55 (0.04) 0.55 (0.04) 0.55 (0.04) 0.54 (0.05) 2.07 (0.60–7.16) 0.25

aPresented as n (%) for categorical variables and mean (standard deviation) for continuous variables.

bOdds ratios and p-values were derived from proportional odds models for risk of low intent additionally adjusted for age, sex, race. The six specific chronic diseases were additionally adjusted for each other.

c1 – Excellent, 2 – Very good, 3 – Good, 4 – Okay, 5 – Poor.

d1 – Extremely, 2 – Quite a bit, 3 – Somewhat, 4 – A little bit, 5 – Not at all.

eSum of days per week of washing hands or using sanitizer frequently, cleaning surfaces touched, wearing face masks, and keeping 6 feet away from others. Range from 0–28.

fSum of days per week of avoiding large gatherings, avoiding restaurants or bars, and following government guidelines. Range from 0–21.

g1- Very unlikely, 2- Somewhat unlikely, 3 – Neither unlikely nor likely, 4 – Somewhat likely, 5 – Very likely.

h1 – Very unconfident, 2 – Somewhat unconfident, 3 – Neither unconfident nor confident, 4 – Somewhat confident, 5 – Very confident.