Table 3.
Background characteristics associated with behavioural intention to receive seasonal influenza vaccination.
| Behavioural Intention to Take up SIV, % Yes | OR (95% CI) | p Values | |
|---|---|---|---|
| Socio-demographic characteristics | |||
| Age group, years | |||
| 65–69 | 50.2 | 1.00 | |
| 70–74 | 61.9 | 1.61 (1.05, 2.46) | 0.03 |
| ≥75 | 59.5 | 1.45 (0.85, 2.48) | 0.17 |
| Sex assigned at birth | |||
| Male | 49.1 | 1.00 | |
| Female | 59.9 | 1.54 (1.05, 2.27) | 0.03 |
| Highest education level obtained | |||
| Primary or below | 54.0 | 1.00 | |
| Secondary | 56.0 | 1.08 (0.73, 1.61) | 0.69 |
| Tertiary or above | 61.4 | 1.35 (0.69, 2.65) | 0.38 |
| Marital status | |||
| Currently single | 58.4 | 1.00 | |
| Married or cohabited with a partner | 54.7 | 0.86 (0.56, 1.33) | 0.50 |
| Household income, HKD (USD)/month | |||
| <20,000 (2580) | 54.3 | 1.00 | |
| ≥20,000 (2580) | 62.1 | 1.38 (0.78, 2.45) | 0.27 |
| Refuse to disclose | 57.4 | 1.14 (0.63, 2.03) | 0.67 |
| Employment status | |||
| Unemployed/retired/housewife | 58.6 | 1.00 | |
| Full-time/part-time | 38.1 | 0.43 (0.25, 0.75) | 0.003 |
| Living alone | |||
| No | 54.0 | 1.00 | |
| Yes | 63.0 | 1.45 (0.88, 2.38) | 0.15 |
| Receiving Comprehensive Social Security Assistance a | |||
| No | 55.9 | 1.00 | |
| Yes | 53.1 | 0.89 (0.43, 1.84) | 0.76 |
| Lifestyles and health conditions | |||
| Smoking in the past year | |||
| No | 56.5 | 1.00 | |
| Yes | 45.2 | 0.63 (0.30, 1.32) | 0.22 |
| Binge drinking in the past year | |||
| No | 55.6 | 1.00 | |
| Yes | 60.0 | 1.20 (0.33, 4.31) | 0.78 |
| Presence of any chronic conditions | |||
| No | 51.2 | 1.00 | |
| Yes | 58.6 | 1.35 (0.92, 1.98) | 0.13 |
| History of COVID-19 | |||
| No | 56.3 | 1.00 | |
| Yes | 25.0 | 0.36 (0.05, 1.30) | 0.10 |
| Uptake of vaccinations | |||
| History of pneumococcal vaccination | |||
| No | 44.4 | 1.00 | |
| Yes | 89.2 | 10.34 (5.47, 19.56) | <0.001 |
| Number of SIV doses received by the participants in the past three years | |||
| 0 | 20.7 | 1.00 | |
| 1 | 57.9 | 5.27 (2.54, 10.92) | <0.001 |
| 2 | 78.8 | 14.27 (6.75, 30.19) | <0.001 |
| ≥3 | 92.8 | 49.08 (24.29, 99.16) | <0.001 |
OR: odds ratio, CI: confidence interval, SIV: seasonal influenza vaccination. a: Comprehensive Social Security Assistance is a governmental financial support scheme providing a safety net for Hong Kong residents who cannot support themselves financially.