Table 2.
Participant characteristics and their association with being serial demander
| N | Column % | Hypothetical acceptance | Serial demander* (n=1908) | Serial non-demander* (n=747) |
Bivariate model | Multivariate parsimonious model† | ||
| % | N (row %) | N (row %) | OR (95% CI) | OR (95% CI) | ||||
| Total | 4346 | 100 | NA | 43.9 | 17.2 | NA | NA | |
| Gender | Women | 3302 | 76.0 | 67.6 | 1321 (40.0) | 623 (18.9) | Ref | Ref |
| Men | 1044 | 24.0 | 80.8 | 587 (56.2) | 124 (11.9) | 5.74*** | 2.53*** | |
| (4.28 to 7.69) | (1.93 to 3.32) | |||||||
| Age (years) | 18–34 | 941 | 21.6 | 60.7 | 296 (31.5) | 236 (25.1) | Ref | Ref |
| 35–49 | 1764 | 40.6 | 69.4 | 744 (42.2) | 306 (17.4) | 3.54*** | 2.18*** | |
| (2.50 to 5.00) | (1.64 to 2.90) | |||||||
| 50+ | 1641 | 37.8 | 78.0 | 868 (52.9) | 205 (12.5) | 11.32*** | 3.75 *** | |
| (7.98 to 16.05) | (2.79 to 5.05) | |||||||
| Profession | Nurse | 951 | 21.9 | 65.1 | 327 (34.4) | 187 (19.7) | Ref | Ref |
| Nurse assistant | 485 | 11.2 | 42.3 | 97 (20.0) | 191 (39.4) | 0.12*** | 0.42 *** | |
| (0.07 to 0.18) | (0.28 to 0.63) | |||||||
| Other paramedical | 672 | 15.5 | 69.6 | 280 (41.7) | 129 (19.2) | 1.87** | 2.60*** | |
| (1.25 to 2.81) | (1.83 to 3.70) | |||||||
| Biomedical | 1170 | 27.0 | 88.9 | 784 (67.0) | 67 (5.7) | 32.00 *** | 7.32*** | |
| (22.50 to 45.50) | (5.25 to 10.21) | |||||||
| Administrative/technical | 1068 | 24.6 | 69.7 | 420 (39.3) | 173 (16.2) | 1.82*** | 1.18 | |
| (1.27 to 2.60) | (0.86 to 1.60) | |||||||
| Works in nursing home | No | 3640 | 83.8 | 73.0 | 1682 (46.2) | 578 (15.9) | Ref | Ref |
| Yes | 706 | 16.2 | 59.4 | 226 (32.0) | 169 (23.9) | 0.20*** | 0.61** | |
| (0.14 to 0.29) | (0.45 to 0.82) | |||||||
| Believes having a risk factor | No | 3264 | 79.8 | 71.1 | 1449 (44.4) | 556 (17) | Ref | Ref |
| Yes | 825 | 20.2 | 72.1 | 370 (44.5) | 129 (16.8) | 1.2 | … | |
| (0.85 to 1.65) | ||||||||
| Previously infected by SARS-CoV-2 | No | 3803 | 87.5 | 71.8 | 1702 (44.8) | 638 (16.8) | Ref | Ref |
| Yes | 543 | 12.5 | 63.7 | 206 (38.0) | 109 (20.1) | 0.44 | 0.72 | |
| (0.30 to 0.66) | (0.52 to 1.00) | |||||||
| Influenza vaccination 2019–2020 |
No | 2091 | 48.1 | 55.0 | 570 (27.3) | 608 (29.1) | Ref | Ref |
| Yes | 2255 | 51.9 | 85.4 | 1338 (59.3) | 139 (6.2) | 41.2*** | 8.51*** | |
| (32.10 to 52.70) | (6.74 to 10.75) | |||||||
| Would accept COVID-19 vaccine | No | 1786 | 41.1 | 31.5 | 108 (6.1) | 744 (41.7) | Ref | … |
| Yes | 2560 | 58.9 | 98.2 | 1800 (70.3) | 3 (0.1) | 277.5 | … | |
| (222.94 to 345.36) | ||||||||
| Confidence in crisis management‡ | Low | 1187 | 27.3 | 45.8 | 262 (22.1) | 454 (38.3) | Ref | Ref |
| Medium | 1771 | 40.8 | 73.4 | 767 (43.3) | 230 (13) | 19.60*** | 7.15*** | |
| (14.50 to 26.40) | (5.44 to 9.39) | |||||||
| High | 1388 | 31.9 | 88.8 | 879 (63.3) | 63 (4.6) | 161.42*** | 28.40*** | |
| (116.00 to 222.40) | (20.88 to 38.72) | |||||||
| Worry§ | Low | 442 | 10.2 | 42.7 | 108 (24.4) | 190 (43) | Ref | Ref |
| Medium | 1283 | 29.5 | 67.1 | 516 (40.2) | 239 (18.6) | 16.90*** | 4.03*** | |
| (10.60 to 27.00) | (2.70 to 6.00) | |||||||
| High | 2621 | 60.3 | 77.3 | 1284 (49.0) | 318 (12.1) | 50.9*** | 5.83*** | |
| (32.90 to 78.90) | (3.98 to 8.55) |
ConjointVac survey among 4346 healthcare and welfare sector workers in France, 18 December 2020 to 1 February 2021.
*p<0.05; **p<0.01; ***p≤0.001.
Lecture note: 18.9% of women and 11.9% of men refused the hypothetical vaccine in all scenarios (serial non-demanders).
*Uniform responders are defined as those either refusing (serial non-demanders) or accepting (serial demanders) vaccination on all eight scenarios.
†Multivariate parsimonious model does not include COVID-19 vaccination intention due to collinearity with outcome variable.
‡Confidence in authorities to manage sanitary and economic crisis due to COVID-19, assessed as 0–10; low (0–3), medium (4–6), high (7–10).
§General worry about COVID-19 epidemic; assessed as 0–10, low (0–3), medium (4–6), high (7–10).