Table 3.
Univariate and multivariate analysis of factors associated with intention to receive a regular COVID-19 booster.
| Variable | p-value | Comparison | Coefficient | 95% CI | p-value |
|---|---|---|---|---|---|
| Univariate Analysis | |||||
| Age | .169 | - | 1.02 | .99–1.04 | - |
| Gender | .104 | Female vs Male | 1.56 | .91–2.68 | - |
| Household income | .006 | £16,000–£29,999 vs. <£16,000 | 1.01 | .58–1.76 | .969 |
| £30,000–£59,999 vs. <£16,000 | 1.80 | 1.05–3.08 | .034 | ||
| £60,000+ vs. <£16,000 | 2.38 | 1.28–4.43 | .006 | ||
| Previous COVID-19 | .98 | Yes vs. No | 1.00 | .67–1.48 | |
| Confidence | <.001 | - | 1.95 | 1.67–2.27 | - |
| Complacency | <.001 | - | 1.81 | 1.59–2.05 | - |
| Constraints | <.001 | - | 1.93 | 1.69–2.21 | - |
| Calculation | .014 | - | 1.15 | 1.03–1.28 | - |
| Collective responsibility | <.001 | - | 1.77 | 1.53–2.05 | - |
| Compliance | <.001 | - | 1.72 | 1.50–1.97 | - |
| Conspiracy | <.001 | - | 1.45 | 1.27–1.65 | - |
| Number of side effects | .581 | - | 1.02 | .96–1.08 | - |
| Severity of side effects | .024 | - | .972 | .95–1.00 | - |
| Multivariate Analysis | |||||
| Household income | .141 | £16,000–£29,999 vs. <£16,000 | 1.62 | .76–3.39 | .199 |
| £30,000–£59,999 vs. <£16,000 | 2.22 | 1.08–4.56 | .030 | ||
| £60,000+ vs. <£16,000 | 2.12 | .96–4.68 | .062 | ||
| Confidence | .049 | - | 1.22 | 1.00–1.49 | - |
| Complacency | .011 | - | 1.27 | 1.06–1.53 | - |
| Constraints | .004 | - | 1.32 | 1.09–1.60 | - |
| Calculation | .004 | - | 1.28 | 1.09–1.52 | - |
| Collective responsibility | .247 | - | 1.14 | .91–1.44 | - |
| Compliance | .004 | - | 1.27 | 1.08–1.49 | - |
| Conspiracy | .081 | - | 1.17 | .98–1.40 | - |
| Severity of side effects | .032 | - | .965 | .93–1.00 | - |
For the multivariate logistic regression, we entered those variables that were significant in the univariate analysis (p < .05).