Table 2. Factors associated with hesitancy to receive the first and second booster doses of the COVID-19 vaccine (N=525).
| Characteristic |
Hesitancy to receive the
third dose of COVID-19 vaccine |
Hesitancy to receive the
fourth dose of COVID-19 vaccine |
|||||||
| OR (95% CI) | P value |
AOR*
(95% CI) |
P value | OR (95% CI) | P value |
AOR*
(95% CI) |
P value | ||
| Abbreviation: OR=crude odds ratio; AOR=adjusted odds ratio; CI=confidence interval; NA=not applicable. * Adjusted for significant background characteristics listed in Supplementary Table S2. | |||||||||
| Individual-level variables | |||||||||
| Positive attitude scale | 0.83 (0.76, 0.92) |
<0.001 | 0.83 (0.76, 0.92) |
<0.001 | 0.65 (0.60, 0.74) |
<0.001 | 0.66 (0.60, 0.74) |
<0.001 | |
| Negative attitude scale | 1.01 (0.97, 1.06) |
0.553 | 1.01 (0.97, 1.06) |
0.560 | 1.03 (0.99, 1.08) |
0.147 | 1.03 (0.99, 1.08) |
0.195 | |
| Perceived subjective norms | 0.54 (0.43, 0.67) |
<0.001 | 0.55 (0.44, 0.69) |
<0.001 | 0.39 (0.30, 0.49) |
<0.001 | 0.40 (0.31, 0.51) |
<0.001 | |
| Perceived behavioral control | 0.54 (0.43, 0.67) |
<0.001 | 0.51 (0.40, 0.63) |
<0.001 | 0.25 (0.19, 0.34) |
<0.001 | 0.25 (0.19, 0.34) |
<0.001 | |
| Vaccination fatigue (tired of receiving COVID-19 vaccination over and over again) | 1.34 (1.18, 1.58) |
<0.001 | 1.36 (1.18, 1.58) |
<0.001 | 1.48 (1.28, 1.71) |
<0.001 | 1.52 (1.31, 1.78) |
<0.001 | |
| Hesitancy to receive the third dose of COVID-19 vaccine | NA | NA | NA | NA | 14.05 (7.94, 24.79) |
<0.001 | 14.05 (8.05, 24.52) |
<0.001 | |
| Interpersonal variables | |||||||||
| Media exposure scale | 0.93 (0.89, 0.99) |
0.012 | 0.94 (0.89, 0.99) |
0.033 | 0.90 (0.85, 0.95) |
<0.001 | 0.90 (0.85, 0.95) |
<0.001 | |
| Frequency of thoughtful consideration about veracity of COVID-19-specific information | 0.64 (0.53, 0.77) |
<0.001 | 0.65 (0.54, 0.79) |
<0.001 | 0.51 (0.42, 0.62) |
<0.001 | 0.52 (0.43, 0.64) |
<0.001 | |