Table 6. Correlates of Ebola vaccine uptake, using modified Poisson regression among community members eligible and offered vaccination during the tenth EVD outbreak, North Kivu, Democratic Republic of the Congo, 2021.
| Received Vaccine | Declined Vaccine | RR (95% CI) | aRR† (95% CI) | |
|---|---|---|---|---|
| n(%) N = 395 | n(%) N = 77 | |||
| Sex | ||||
| Male | 129 (32.7) | 28 (36.4) | - | - |
| Female | 266 (67.3) | 49 (63.6) | 1.04 (0.96–1.12) | 1.06 (0.99–1.14) |
| Age (years), median [IQR] | 31 [22–41] | 26 [21–38] | 1.00 (1.00–1.01) | 1.00 (1.00–1.01) |
| Highest Education Attained | ||||
| None | 41 (10.4) | 8 (10.4) | - | - |
| Primary | 101 (25.6) | 22 (28.6) | 0.96 (0.82–1.13) | 0.94 (0.79–1.13) |
| Secondary | 206 (52.2) | 55 (57.1) | 0.99 (0.87–1.13) | 1.02 (0.88–1.17) |
| University or Higher | 44 (11.1) | 3 (3.9) | 1.10 (0.96–1.26) | 1.06 (0.89–1.26) |
| Missing / Declined | 3 (0.8) | 0 (0) | - | - |
| Religion Influence | ||||
| No influence | 125 (31.7) | 32 (41.6) | - | - |
| Influences some decisions | 121 (30.6) | 29 (37.7) | 1.05 (0.93–1.18) | 1.04 (0.93–1.16) |
| Influences all decisions | 147 (37.2) | 15 (19.5) | 1.13 (1.02–1.24) | 1.13 (1.02–1.25)* |
| Missing / Declined | 2 (0.5) | 1 (1.3) | ||
| Perceived Risk of EVD during outbreak | ||||
| No / Do not recall | 41 (10.4) | 15 (19.5) | - | - |
| Yes | 354 (89.6) | 62 (80.5) | 1.22 (0.98–1.51) | 1.10 (0.91–1.34) |
| Heard positive information about the vaccine | ||||
| No | 50 (12.7) | 25 (32.5) | - | - |
| Yes | 345 (87.3) | 52 (67.5) | 1.38 (1.12–1.69) | 1.30 (1.06–1.60)* |
| Heard negative information about the vaccine | ||||
| No | 43 (10.9) | 6 (7.8) | - | - |
| Yes | 352 (89.1) | 71 (92.2) | 0.93 (0.81–1.08) | 0.94 (0.81–1.11) |
| EVD can be prevented with vaccine | ||||
| No | 123 (31.1) | 53 (68.8) | - | - |
| Yes | 272 (68.8) | 24 (31.2) | 1.29 (1.15–1.46) | 1.23 (1.09–1.39)* |
| Ebola vaccine has severe side effects | ||||
| No / Unsure | 143 (36.2) | 27 (35.1) | - | - |
| Yes | 252 (63.8) | 50 (64.9) | 0.96 (0.87–1.07) | 0.95 (0.85–1.06) |
| Mistrust of vaccine source or how it was given | ||||
| No | 263 (66.6) | 44 (57.1) | - | - |
| Yes | 132 (33.4) | 33 (42.9) | 0.92 (0.86–1.00) | 0.96 (0.90–1.04) |
| General Vaccine Confidence | ||||
| Low | 49 (12.4) | 7 (9.1) | - | - |
| Medium | 150 (38.0) | 41 (52.3) | 0.94 (0.84–1.05) | 0.92 (0.82–1.04) |
| High | 196 (49.6) | 29 (37.7) | 1.03 (0.92–1.15) | 0.94 (0.83–1.07) |
*Only respondents who were eligible and offered vaccination were included (n = 415).
†aRR = adjusted risk ratio