Table 1.
Characteristics of the study participants (N=1624) based on UK-wide responses to web-based questionnaires administered through Care Information Exchange (influenza-related questionnaire sent July 31, 2020). Baseline demographics and questionnaire responses of all participants previously not routinely receiving influenza vaccination are grouped by previously eligible but nonvaccinated and newly eligible, further stratified by acceptance (yes/no) of influenza vaccination in 2020-2021.
| Characteristic | Value | ||||
|
|
Previously eligible and plans to receive the influenza vaccine (n=536, 56.7%) | Previously eligible and does not plan to receive the influenza vaccine (n=409, 43.3%) | Newly eligible and plans to receive the influenza vaccine (n=466, 68.6%) | Newly eligible and does not plan to receive the influenza vaccine (n=213, 31.4%) | |
| Age, median (IQR) | 62.0 (51.0-67.0) | 60.0 (49.0-68.0) | 58.0 (55.0-61.8) | 56.0 (53.0-60.0) | |
| Sex, n (%) | |||||
|
|
Male | 248 (46.3) | 177 (43.3) | 214 (45.9) | 69 (32.4) |
|
|
Female | 288 (53.7) | 232 (56.7) | 252 (54.1) | 144 (67.6) |
| Ethnicity, n (%) | |||||
|
|
White | 453 (84.5) | 320 (78.2) | 415 (89.1) | 181 (85.0) |
|
|
Asian | 36 (6.7) | 39 (9.5) | 19 (4.1) | 13 (6.1) |
|
|
Black | 15 (2.8) | 20 (4.9) | 13 (2.8) | 9 (4.2) |
|
|
Mixed | 8 (1.5) | 6 (1.5) | 6 (1.3) | 2 (.9) |
|
|
Other | 24 (4.5) | 24 (5.9) | 13 (2.8) | 8 (3.8) |
| Eligible disease, n (%) | 368 (68.7) | 282 (68.9) | N/Aa | N/A | |
| Chronic respiratory disease, n (%) | 71 (13.2) | 66 (16.1) | N/A | N/A | |
| Chronic heart disease, n (%) | 40 (7.5) | 26 (6.4) | N/A | N/A | |
| Chronic kidney disease, n (%) | 25 (4.7) | 23 (5.6) | N/A | N/A | |
| Chronic liver disease, n (%) | 15 (2.8) | 11 (2.7) | N/A | N/A | |
| Chronic neurological disease, n (%) | 48 (9.0) | 54 (13.2) | N/A | N/A | |
| Immunocompromised, n (%) | 196 (36.6) | 137 (33.5) | N/A | N/A | |
| Other eligible comorbidity, n (%) |
103 (19.2) | 93 (22.7) | N/A | N/A | |
| Health sector employee, n (%) | 47 (8.8) | 49 (12.0) | N/A | N/A | |
| Index of multiple deprivation, n (%) | |||||
|
|
1 | 34 (6.3) | 31 (7.6) | 17 (3.6) | 14 (6.6) |
|
|
2 | 78 (14.6) | 64 (15.6) | 69 (14.8) | 36 (16.9) |
|
|
3 | 107 (20.0) | 59 (14.4) | 94 (20.2) | 29 (13.6) |
|
|
4 | 85 (15.9) | 55 (13.4) | 87 (18.7) | 28 (13.1) |
|
|
5 | 79 (14.7) | 44 (10.8) | 57 (12.2) | 15 (7.0) |
|
|
Missing | 153 (28.5) | 156 (38.1) | 142 (30.5) | 91 (42.7) |
| Health care utilization, n (%) | |||||
|
|
None | 91 (17.0) | 89 (21.8) | 145 (31.1) | 80 (37.6) |
|
|
Any | 445 (83.0) | 320 (78.2) | 321 (68.9) | 133 (62.4) |
| Considers self at high risk from COVID-19, n (%) | 346 (64.6) | 267 (65.3) | 140 (30.0) | 41 (19.2) | |
| Understanding of government messaging (score from 1-10) , n (%) | |||||
|
|
1-2 | 31 (5.8) | 34 (8.3) | 48 (10.3) | 16 (7.5) |
|
|
3-4 | 69 (12.9) | 48 (11.7) | 65 (13.9) | 24 (11.3) |
|
|
5-6 | 138 (25.7) | 93 (22.7) | 107 (23.0) | 53 (24.9) |
|
|
7-8 | 190 (35.4) | 133 (32.5) | 159 (34.1) | 72 (33.8) |
|
|
9-10 | 108 (20.1) | 101 (24.7) | 87 (18.7) | 48 (22.5) |
| Anxiety related to return to lockdown (score from 1-10) , n (%) | |||||
|
|
1-2 | 87 (16.2) | 85 (20.8) | 76 (16.3) | 50 (23.5) |
|
|
3-4 | 90 (16.8) | 59 (14.4) | 85 (18.2) | 35 (16.4) |
|
|
5-6 | 149 (27.8) | 111 (27.1) | 127 (27.3) | 48 (22.5) |
|
|
7-8 | 150 (28.0) | 105 (25.7) | 130 (27.9) | 50 (23.5) |
|
|
9-10 | 60 (11.2) | 49 (12.0) | 48 (10.3) | 30 (14.1) |
| Acceptance of COVID-19 vaccine if available , n (%) | |||||
|
|
Not sure | 100 (18.7) | 159 (38.9) | 72 (15.5) | 85 (39.9) |
|
|
No | 35 (6.5) | 117 (28.6) | 25 (5.4) | 38 (17.8) |
|
|
Yes | 401 (74.8) | 133 (32.5) | 369 (79.2) | 90 (42.3) |
aN/A: not applicable.