Table 5.
The association between individual-level factors and vaccine acceptance among those accepted at least one of the DCE choice tasks.
| Individual-level factors | Vaccine acceptance (n = 1,259)a | |
|---|---|---|
| AORb | 95%CIb | |
| Age group (18–29 yrs as reference) | ||
| 30–44 yrs | 1.43** | (1.22, 1.66) |
| 45–59 yrs | 2.11** | (1.79, 2.49) |
| 60–64 yrs | 1.40* | (1.11, 1.75) |
| Female (male as reference) | 0.50** | (0.56, 0.45) |
| Education (Below Bachelor degree as reference) | ||
| Bachelor degree or above | 0.80** | (0.71, 0.90) |
| Occupation (Professional/associate professional as reference) | ||
| Clerical/service/sales | 1.33** | (1.15, 1.54) |
| Blue-collar worker | 1.10 | (0.89, 1.35) |
| Unemployed | 2.61** | (1.86, 3.65) |
| Students/intern | 1.43* | (1.14, 1.79) |
| Others | 2.08** | (1.72, 2.51) |
| Monthly household income > HK$30,000 | 1.40** | (1.24, 1.57) |
| With any chronic condition | 1.14 | (0.97, 1.34) |
| Know anyone diagnosed with COVID-19 | 1.12 | (0.97, 1.29) |
| Perceived “likely/very likely” to be infected | 1.08 | (0.97, 1.20) |
| Perceived “slightly severe/very severe” if get infected COVID-19 | 1.24** | (1.11, 1.37) |
| Previous influenza vaccination | 1.26** | (1.11, 1.44) |
| “Usually” received vaccine information from social media | 1.01 | (0.89, 1.14) |
| “Usually” received vaccine information from workplace | 1.42** | (1.24, 1.61) |
| “Usually” received vaccine information from family/friends | 0.96 | (0.85, 1.10) |
| “Usually” received vaccine information from government's official source | 1.68** | (1.49, 1.89) |
| Doctor's recommendation for vaccination | 0.97 | (0.81, 1.16) |
*
P < 0.05,
**
P < 0.001.
a
The nested logit model was performed among respondents who accept at least one vaccination alternative in discrete choice experiment, n = 1,259.
b
AOR, adjusted odds ratio; CI, confidence interval.