Table 2. Factors associated with intention to get a future domestic COVID-19 vaccine in Beijing, China.
| Variable | Unwillingness* | Uncertainty* | |||
| Unadjusted OR (95%CI) | Adjusted OR (95%CI) | Unadjusted OR (95%CI) | Adjusted OR (95%CI) | ||
|
*: Being willing to get vaccine was selected as reference category in multinomial logistic regression.
†: Variables that were not statistically significant in univariate analyses were excluded from the multinomial logistic regression model. | |||||
| Gender | |||||
| Female | 1 | 1 | 1 | 1 | |
| Male | 1.01 (0.74–1.36) | 0.91 (0.65–1.26) | 0.75 (0.63–0.89) | 0.88 (0.72–1.06) | |
| Age (years) | |||||
| 18–30 | 1 | −† | 1 | −† | |
| 31–40 | 1.07 (0.67–1.69) | −† | 1.20 (0.95–1.53) | −† | |
| 41–50 | 1.02 (0.62–1.68) | −† | 0.96 (0.73–1.25) | −† | |
| 51–60 | 1.43 (0.86–2.39) | −† | 0.95 (0.70–1.27) | −† | |
| >60 | 1.25 (0.75–2.10) | −† | 1.20 (0.95–1.53) | −† | |
| Highest education | |||||
| Secondary school or lower | 1 | 1 | 1 | 1 | |
| 3-years of college | 1.03 (0.64–1.65) | 1.54 (0.92–2.59) | 1.10 (0.85–1.43) | 1.06 (0.79–1.43) | |
| Undergraduate or higher | 1.40 (0.89–2.22) | 1.26 (0.75–2.13) | 1.54 (1.19–1.98) | 1.39 (1.03–1.86) | |
| Living area | |||||
| Urban | 1 | 1 | 1 | 1 | |
| Suburban | 1.13 (0.84–1.52) | 1.28 (0.92–1.79) | 0.66 (0.55–0.78) | 0.79 (0.65–0.96) | |
| Income | |||||
| <5,000 CNY (700 USD) | 1 | 1 | 1 | 1 | |
| ≥5,000 CNY (700 USD) | 0.98 (0.73–1.32) | −† | 1.18 (1.00–1.39) | −† | |
| Underlying chronic disease | |||||
| Yes | 1 | 1 | 1 | 1 | |
| No | 0.66 (0.45–0.96) | 0.50 (0.32–0.78) | 1.39 (1.07–1.80) | 1.17 (0.86–1.58) | |
| Seasonal flu vaccination within 3 years | |||||
| Yes | 1 | 1 | 1 | 1 | |
| No | 0.76 (0.51–1.14) | 0.69 (0.44–1.07) | 2.74 (1.96–3.84) | 2.28 (1.59–3.27) | |
| Perception of seriousness of COVID-19 disease | |||||
| Very serious | 1 | 1 | 1 | 1 | |
| Serious | 1.31 (0.94–1.83) | 1.25 (0.88–1.79) | 1.32 (1.10–1.58) | 1.33 (1.08–1.63) | |
| Not serious | 3.40 (1.91–6.06) | 2.27 (1.18–4.37) | 1.56 (1.01–2.42) | 1.39 (0.86–2.27) | |
| Perception of risk in contracting COVID-19 | |||||
| Very likely | 1 | 1 | 1 | 1 | |
| Likely | 0.83 (0.48–1.42) | 0.86 (0.48–1.56) | 1.58 (1.12–2.21) | 1.17 (0.80–1.70) | |
| Unlikely | 1.13 (0.67–1.91) | 1.12 (0.61–2.07) | 1.63 (1.16–2.30) | 1.31 (0.89–1.93) | |
| If infected, my symptoms would be more severe than other people’s | |||||
| Yes | 1 | 1 | 1 | 1 | |
| Uncertain | 0.90 (0.54–1.48) | 1.22 (0.70–2.12) | 1.81 (1.37–2.40) | 1.38 (1.01–1.91) | |
| No | 2.26 (1.38–3.69) | 3.05 (1.71–5.45) | 1.55 (1.14–2.10) | 1.23 (0.86–1.76) | |
| Perception of impact of COVID-19 pandemic on own life within the past 3 months | |||||
| Very serious | 1 | 1 | 1 | 1 | |
| Serious | 0.98 (0.70–1.39) | 1.16 (0.75–1.80) | 1.35 (1.13–1.62) | 1.28 (1.01–1.61) | |
| not serious | 2.49 (1.58–3.92) | 2.54 (1.35–4.78) | 1.40 (1.01–1.92) | 1.17 (0.77–1.78) | |
| Perception of impact of COVID-19 pandemic on own life in the next 6 months | |||||
| Very serious | 1 | 1 | 1 | 1 | |
| Serious | 0.75 (0.54–1.05) | 0.77 (0.51–1.16) | 1.14 (0.95–1.36) | 1.07 (0.85–1.34) | |
| Not serious | 1.48 (0.97–2.27) | 1.06 (0.58–1.95) | 1.40 (1.08–1.82) | 1.39 (0.97–1.97) | |
| Perception of vaccine safety | |||||
| Safe | 1 | 1 | 1 | 1 | |
| Uncertain | 3.61 (2.64–4.95) | 2.35 (1.44–3.83) | 5.11 (4.28–6.09) | 2.50 (1.91–3.27) | |
| Unsafe | 36.71 (15.77–85.47) | 13.33 (4.83–36.80) | 5.08 (1.95–13.27) | 2.86 (1.02–7.96) | |
| Perception of vaccine effectiveness | |||||
| Effective | 1 | 1 | 1 | 1 | |
| Uncertain | 4.09 (3.00–5.58) | 2.52 (1.55–4.10) | 5.37 (4.50–6.40) | 2.68 (2.05–3.50) | |
| Ineffective | 27.40 (9.30–80.73) | 3.52 (0.94–13.17) | 4.75 (1.44–15.64) | 3.28 (0.92–11.77) | |
| Perception of rebound of COVID-19 infection in China | |||||
| Likely | 1 | 1 | 1 | 1 | |
| Uncertain | 0.48 (0.34–0.69) | 0.57 (0.37–0.89) | 1.54 (1.23–1.94) | 1.23 (0.93–1.62) | |
| Unlikely | 0.50 (0.34–0.74) | 0.56 (0.35–0.92) | 0.95 (0.74–1.23) | 1.08 (0.79–1.48) | |
| Perception of continuity of global COVID-19 transmission | |||||
| Likely | 1 | 1 | 1 | 1 | |
| Uncertain | 0.64 (0.45–0.90) | 0.63 (0.41–0.97) | 1.32 (1.10–1.57) | 0.96 (0.77–1.20) | |
| Unlikely | 0.97 (0.64–1.47) | 1.16 (0.70–1.92) | 0.94 (0.73–1.22) | 1.12 (0.83–1.52) | |