Table 3.
Results from multivariable ordered logistic regression model of willingness to get a COVID-19 vaccine. The outcome was coded as disagree, neither disagree or agree, and agree. Values are provided as adjusted odds ratios (aOR) with corresponding 95% confidence intervals.
| Variable | Level | aOR (95% CI) | p-value |
|---|---|---|---|
| Time Point | 0.70 | ||
| April | 1.00 (ref) | ||
| November | 0.96 (0.80 to 1.17) | ||
| Age group (vs 18–25 years) | <0.001 | ||
| 26–40 years | 0.73 (0.55 to 0.95) | ||
| 41–55 years | 0.75 (0.57 to 0.99) | ||
| 56–90 years | 1.31 (0.98 to 1.75) | ||
| Female Gender (vs Male)* | 0.68 (0.56 to 0.84) | <0.001 | |
| Education (vs high school or less) | 0.002 | ||
| Certificate I-IV | 1.00 (0.81 to 1.24) | ||
| University | 1.43 (1.14 to 1.78) | ||
| Adequate health literacy (vs inadequate) | 1.18 (0.95 to 1.47) | 0.13 | |
| Socioeconomic status, IRSAD quintile (vs 5th quintile) | 0.44 | ||
| 1st quintile | 0.79 (0.60 to 1.03) | ||
| 2nd quintile | 0.83 (0.63 to 1.10) | ||
| 3rd quintile | 0.93 (0.72 to 1.21) | ||
| 4th quintile | 0.94 (0.73 to 1.21) | ||
| Belief not likely to get sick with COVID-19 (vs likely) | 0.61 (0.50 to 0.75) | <0.001 | |
| Belief that vaccine efficacy is made up (vs disagree) | 0.83 (0.69 to 1.00) | 0.045 | |
| Confidence in federal government (/ unit) | 1.16 (1.03 to 1.30) | 0.017 | |
| Trust in institutions (/unit) | 1.75 (1.61 to 1.89) | <0.001 | |
| Perceived public health threat (/unit) | 1.17 (1.12 to 1.21) | <0.001 |
*
Gender = “Other / Prefer not to say” was included in the model, however results are not displayed due to likely instability of estimates owing to the small sample size in this group (n = 5).