Table 3. Influencing factors on COVID-19 vaccine booster preference.
| Characteristics |
COVID-19 vaccine
booster preference |
Univariate analysis | Multivariate analysis | |||||
| No (percentage %) | Yes (percentage %) |
Crude OR
(95% CI) |
P |
Adjusted OR
(95% CI) |
P | |||
| Abbreviations: COVID-19=coronavirus disease 2019; OR=odds ratio; CI=confidence interval; CNY=China Yuan; Ref.=reference. | ||||||||
| Age group, years | ||||||||
| 18–24 | 53 (26.8) | 145 (73.2) | 1.19 (0.62, 2.29) | 0.596 | 1.99 (0.97, 4.10) | 0.062 | ||
| 25–34 | 178 (28.2) | 454 (71.8) | 1.11 (0.61, 2.02) | 0.727 | 2.06 (1.09, 3.91) | 0.026 | ||
| 35–44 | 119 (24.1) | 375 (75.9) | 1.37 (0.75, 2.52) | 0.304 | 2.24 (1.18, 4.28) | 0.014 | ||
| 45–54 | 94 (18.8) | 405 (81.2) | 1.88 (1.02, 3.46) | 0.044 | 2.07 (1.09, 3.94) | 0.026 | ||
| 55–64 | 42 (26.4) | 117 (73.6) | 1.21 (0.62, 2.37) | 0.570 | 1.14 (0.56, 2.30) | 0.719 | ||
| ≥65 | 17 (30.4) | 39 (69.6) | Ref. | Ref. | ||||
| Gender | <0.001 | 0.016 | ||||||
| Male | 154 (19.8) | 623 (80.2) | 1.56 (1.26, 1.93) | 1.33 (1.05, 1.67) | ||||
| Female | 353 (27.8) | 917 (72.2) | Ref. | Ref. | ||||
| Non-healthcare staff | <0.001 | 0.002 | ||||||
| Yes | 284 (20.7) | 1,087 (79.3) | 1.88 (1.53, 2.32) | 1.50 (1.17, 1.92) | ||||
| No | 223 (33.0) | 453 (67.0) | Ref. | Ref. | ||||
| Education | ||||||||
| Junior high school and below | 35 (14.6) | 205 (85.4) | 2.65 (1.79, 3.93) | <0.001 | 2.64 (1.50, 4.62) | 0.001 | ||
| Senior high school | 49 (16.7) | 245 (83.3) | 2.26 (1.60, 3.20) | <0.001 | 2.12 (1.34, 3.35) | 0.001 | ||
| Associate or bachelor | 219 (25.5) | 639 (74.5) | 1.32 (1.05, 1.65) | 0.016 | 1.26 (0.98,1.63) | 0.070 | ||
| Master and above | 204 (31.1) | 451 (68.9) | Ref. | Ref. | ||||
| Income (CNY per month) | ||||||||
| 0–2,000 | 71 (23.1) | 236 (76.9) | 1.22 (0.89, 1.67) | 0.220 | 0.64 (0.40, 1.01) | 0.054 | ||
| 2,000–5,000 | 114 (21.9) | 407 (78.1) | 1.31 (1.00, 1.71) | 0.049 | 0.83 (0.59, 1.16) | 0.269 | ||
| 5,000–10,000 | 136 (25.9) | 389 (74.1) | 1.05 (0.81, 1.36) | 0.725 | 0.86 (0.65, 1.15) | 0.309 | ||
| 10,000 and above | 186 (26.8) | 508 (73.2) | Ref. | Ref. | ||||
| Residence | 0.002 | 0.553 | ||||||
| Rural | 43 (16.9) | 212 (83.1) | 1.72 (1.22, 2.43) | 1.14 (0.74, 1.76) | ||||
| Urban | 461 (25.9) | 1,322 (74.1) | Ref. | Ref. | ||||
| Flu vaccination history | 0.028 | 0.039 | ||||||
| Yes | 194 (22.3) | 675 (77.7) | 1.26 (1.03, 1.55) | 1.26 (1.01, 1.57) | ||||
| No/unsure | 313 (26.6) | 865 (73.4) | Ref. | Ref. | ||||
| Whether herd immunity works | <0.001 | <0.001 | ||||||
| Yes | 380 (21.1) | 1,425 (78.9) | 4.14 (3.14, 5.46) | 3.58 (2.69, 4.77) | ||||
| No/unsure | 127 (52.5) | 115 (47.5) | Ref. | Ref. | ||||
| Whether vaccination help reduce anxiety | 0.008 | 0.035 | ||||||
| Yes | 314 (23.0) | 1,052 (77.0) | 1.33 (1.08, 1.63) | 1.27 (1.02, 1.59) | ||||
| No | 193 (28.3) | 488 (71.7) | Ref. | Ref. | ||||