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

Appendix Table 4C.

Simple associations between COVID-19 vaccination intent and reasons for getting or not getting a COVID-19 vaccine among age groups

Reason Age (y)
< 65
≥ 65
n (%) OR (95% CI) p-value n (%) OR (95% CI) p-value
Reasons for getting a COVID-19 vaccine among those with uncertain/high intenta            
I want to protect myself     0.005     <0.0001
 Yes 1077 (95%) 2.48 (1.31–4.69)   1871 (97%) 7.75 (3.90–15.41)  
 No 55 (5%) 1.00 (Ref)   58 (3%) 1.00 (Ref)  
I want to protect my family     0.04     <0.0001
 Yes 1063 (94%) 1.77 (1.03–3.04)   1821 (94%) 2.47 (1.60–3.81)  
 No 67 (6%) 1.00 (Ref)   111 (6%) 1.00 (Ref)  
I want to protect my community     0.0002     <0.0001
 Yes 978 (87%) 2.03 (1.39–2.95)   1750 (91%) 3.59 (2.53–5.11)  
 No 147 (13%) 1.00 (Ref)   163 (9%) 1.00 (Ref)  
I have a chronic health condition, such as asthma or diabetes, so it is important that I have it 0.79     0.05
 Yes 488 (44%) 0.97 (0.75–1.25)   708 (37%) 1.24 (1.00–1.53)  
 No 625 (56%) 1.00 (Ref)   1192 (63%) 1.00 (Ref)  
It would be the best way to avoid getting seriously ill from COVID-19     <0.0001     <0.0001
 Yes 984 (87%) 2.97 (1.99–4.42)   1755 (91%) 6.00 (4.10–8.77)  
 No 142 (13%) 1.00 (Ref)   165 (9%) 1.00 (Ref)  
It would allow me to feel safe around other people     <0.0001     <0.0001
 Yes 898 (80%) 2.23 (1.62–3.07)   1647 (86%) 3.03 (2.28–4.02)  
 No 225 (20%) 1.00 (Ref)   271 (14%) 1.00 (Ref)  
Life won’t go back to normal until most people are vaccinated     <0.0001     <0.0001
 Yes 840 (76%) 2.82 (2.09–3.81)   1609 (84%) 4.10 (3.10–5.43)  
 No 270 (24%) 1.00 (Ref)   298 (16%) 1.00 (Ref)  
Recommendation of medical professionals     0.05     0.0004
 Yes 978 (87%) 1.45 (0.99–2.10)   1707 (89%) 1.76 (1.29–2.41)  
 No 150 (13%) 1.00 (Ref)   216 (11%) 1.00 (Ref)  
Recommendation of political leaders     <0.0001     <0.0001
 Yes 154 (14%) 2.29 (1.54–3.39)   232 (12%) 2.47 (1.74–3.50)  
 No 954 (86%) 1.00 (Ref)   1647 (88%) 1.00 (Ref)  
Recommendation of religious leaders     0.16     0.004
 Yes 136 (12%) 1.33 (0.90–1.97)   238 (13%) 1.58 (1.16–2.17)  
 No 969 (88%) 1.00 (Ref)   1640 (87%) 1.00 (Ref)  
Recommendation of friends or family     0.005     0.004
 Yes 479 (43%) 1.45 (1.12–1.87)   818 (43%) 1.35 (1.10–1.65)  
 No 629 (57%) 1.00 (Ref)   1070 (57%) 1.00 (Ref)  
I believe the vaccine is safe     <0.0001     <0.0001
 Yes 810 (73%) 2.49 (1.83–3.39)   1565 (84%) 5.74 (4.26–7.74)  
 No 303 (27%) 1.00 (Ref)   304 (16%) 1.00 (Ref)  
Reasons would not get a COVID-19 vaccine among those with uncertain/low intentb            
I am allergic to vaccines     0.76     0.25
 Yes 72 (8%) 0.92 (0.55–1.55)   59 (6%) 0.72 (0.41–1.26)  
 No 845 (92%) 1.00 (Ref)   875 (94%) 1.00 (Ref)  
I don’t like needles     0.47     0.23
 Yes 205 (22%) 0.88 (0.63–1.24)   140 (15%) 0.79 (0.54–1.16)  
 No 716 (78%) 1.00 (Ref)   796 (85%) 1.00 (Ref)  
I’m not concerned about getting seriously ill from COVID-19     0.88     0.03
 Yes 285 (31%) 1.02 (0.75–1.39)   294 (31%) 1.41 (1.04–1.90)  
 No 645 (69%) 1.00 (Ref)   645 (69%) 1.00 (Ref)  
I won’t have time to get vaccinated     0.39     0.31
 Yes 60 (7%) 1.29 (0.72–2.30)   45 (5%) 0.71 (0.37–1.37)  
 No 857 (93%) 1.00 (Ref)   886 (95%) 1.00 (Ref)  
I would be concerned about getting infected with COVID-19 from the vaccine     0.49     0.08
 Yes 499 (52%) 0.90 (0.68–1.20)   465 (48%) 0.78 (0.60–1.03)  
 No 454 (48%) 1.00 (Ref)   504 (52%) 1.00 (Ref)  
I would be concerned about side effects from the vaccine     0.06     0.006
 Yes 807 (83%) 0.71 (0.50–1.01)   762 (77%) 0.64 (0.46–0.88)  
 No 170 (17%) 1.00 (Ref)   233 (23%) 1.00 (Ref)  
I don’t think vaccines work very well     0.71     0.2
 Yes 218 (24%) 1.07 (0.76–1.50)   230 (25%) 1.23 (0.89–1.71)  
 No 704 (76%) 1.00 (Ref)   704 (75%) 1.00 (Ref)  
The COVID-19 outbreak is not as serious as some people say it is     0.48     0.45
 Yes 196 (21%) 1.14 (0.80–1.62)   171 (18%) 1.15 (0.80–1.66)  
 No 727 (79%) 1.00 (Ref)   770 (82%) 1.00 (Ref)  
I would be concerned about the cost of the vaccine     <0.0001     0.0008
 Yes 318 (34%) 0.51 (0.38–0.67)   264 (28%) 0.60 (0.45–0.81)  
 No 610 (66%) 1.00 (Ref)   676 (72%) 1.00 (Ref)  
I think the COVID-19 vaccine will not work     0.56     0.59
 Yes 357 (38%) 0.92 (0.69–1.22)   300 (32%) 1.08 (0.81–1.45)  
 No 572 (62%) 1.00 (Ref)   628 (68%) 1.00 (Ref)  
Other reason     0.01     0.09
 Yes 229 (30%) 1.54 (1.10–2.15)   207 (28%) 1.34 (0.95–1.89)  
 No 539 (70%) 1.00 (Ref)   534 (72%) 1.00 (Ref)  

aUsed proportional odds model to individually assess each reason and its association with higher likelihood of vaccination among those who answered neither likely nor unlikely, somewhat likely, or very likely for vaccination. Models were adjusted for all of the covariates included in models in Table 2.

bUsed proportional odds model to individually assess each reason and its association with lower likelihood of vaccination among those who answered neither likely nor unlikely, somewhat unlikely, or very unlikely for vaccination. Models were adjusted for all of the covariates included in models in Table 2.