| | Characteristics | Prevaccine roll out (May–December 2020) | During-vaccine roll out (February–November 2021) | Postvaccine roll out (February–March 2022) | | Adjusted ORa (95% CI) | p-Value | Adjusted ORa (95% CI) | p-Value | Adjusted ORa (95% CI) | p-Value |
| | Intention to get vaccinated | | Sex | | Male | 1 | — | 1 | — | 1 | — | | Female | 0.95 (0.85, 1.06) | 0.395 | 1.00 (0.90, 1.12) | 0.955 | 1.60 (1.42, 1.77) | <0.001 | | Ethnicity | | Others | 1 | — | 1 | — | 1 | — | | Black | 1.93 (1.64, 2.25) | <0.001 | 2.28 (1.96, 2.65) | <0.001 | 3.60 (4.03, 4.26) | <0.001 | | Age | | <40 years | 1 | — | 1 | — | 1 | — | | 40+ years | 1.60 (1.42, 1.76) | <0.001 | 1.66 (1.49, 1.85) | <0.001 | 0.98 (0.88, 1.09) | 0.657 | | Education level | | ≥Grade 12 | 1 | — | 1 | — | 1 | — | | <Grade 12 | 1.09 (0.97, 1.20) | 0.145 | 1.38 (1.24, 1.54) | <0.001 | 1.74 (1.56, 2.00) | <0.001 | | Employment status | | Employed | 1 | — | 1 | — | 1 | — | | Not employed | 1.02 (0.91, 1.13) | 0.771 | 1.10 (0.99, 1.23) | 0.079 | 1.45 (1.30, 1.61) | <0.001 |
| | Trusting vaccine’s safety and/or efficacy | | Sex | | Male | 1 | — | 1 | — | 1 | — | | Female | 1.01 (0.90, 1.15) | 0.855 | 1.02 (0.91, 1.14) | 0.776 | 1.47 (1.31, 1.61) | <0.001 | | Ethnicity | | Others | 1 | — | 1 | — | 1 | — | | Black | 1.79 (1.50, 2.08) | <0.001 | 2.17 (1.89, 2.50) | <0.001 | 1.23 (1.10, 1.37) | <0.001 | | Age | | <40 years | 1 | — | 1 | — | 1 | — | | 40+ years | 1.23 (1.10, 1.37) | <0.001 | 1.54 (1.37, 1.75) | <0.001 | 1.12 (1.03, 1.23) | 0.012 | | Education level | | ≥Grade 12 | 1 | — | 1 | — | 1 | — | | <Grade 12 | 1.02 (0.90, 1.15) | 0.770 | 1.32 (1.20, 1.47) | <0.001 | 1.30 (1.18, 1.43) | <0.001 | | Employment status | | Employed | 1 | — | 1 | — | 1 | — | | Not employed | 0.97 (0.85, 1.10) | 0.610 | 1.02 (0.01, 1.15) | 0.680 | 1.20 (1.08, 1.20) | <0.001 |
| | Perceived low-risk | | Sex | | Male | 1 | — | 1 | — | 1 | — | | Female | 1.00 (0.90, 1.12) | 0.978 | 1.02 (0.92, 1.14) | 0.699 | 0.71 (0.64, 0.79) | <0.001 | | Ethnicity | | Others | 1 | — | 1 | — | 1 | — | | Black | 1.50 (1.28, 1.75) | <0.001 | 1.57 (1.35, 1.82) | <0.001 | 0.70 (0.62, 0.80) | <0.001 | | Age | | <40 years | 1 | — | 1 | — | 1 | — | | 40+ years | 0.83 (0.75, 0.92) | 0.001 | 0.83 (0.74, 0.92) | <0.001 | 0.69 (0.62, 0.76) | <0.001 | | Education level | | ≥Grade 12 | 1 | — | 1 | — | 1 | — | | <Grade 12 | 1.40 (1.26, 1.56) | <0.001 | 1.32 (1.19, 1.47) | <0.001 | 1.64 (0.58, 0.71) | <0.001 | | Employment status | | Employed | 1 | — | 1 | — | 1 | — | | Not employed | 1.97 (1.76, 2.19) | <0.001 | 1.67 (1.51, 1.86) | <0.001 | 0.88 (0.80, 0.97) | 0.012 |
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