Table 2.
Descriptive statistics of behavioural intention to receive seasonal influenza vaccination and independent variables of interest.
| n | % | |
|---|---|---|
| Behavioural intention to receive seasonal influenza vaccination | ||
| How high is your chance to receive a free seasonal influenza vaccination in the incoming flu season? | ||
| Very unlikely, unlikely, or neutral | 195 | 44.3 |
| Likely or very likely | 245 | 55.7 |
| COVID-19 vaccination status | ||
| Number of doses of COVID-19 vaccination received by the participants | ||
| 0 | 173 | 39.3 |
| ≥1 | 267 | 60.7 |
| Perceptions related to COVID-19 and COVID-19 vaccination | ||
| Which virus of COVID-19 and seasonal influenza has higher infectivity? | ||
| Uncertain | 179 | 40.7 |
| COVID-19 | 165 | 37.5 |
| No different | 34 | 7.7 |
| Seasonal influenza | 62 | 14.1 |
| If you do not receive seasonal influenza vaccination, how high is your chance of having seasonal influenza and COVID-19 co-infection in the incoming flu season, high or very high | 47 | 10.7 |
| Item score, mean (SD) | 1.5 | 0.7 |
| Seasonal influenza vaccination would reduce the effectiveness of COVID-19 vaccination, agree | 26 | 5.9 |
| Item score, mean (SD) | 1.8 | 0.5 |
| COVID-19 vaccination would reduce the effectiveness of seasonal influenza vaccination, agree | 23 | 5.2 |
| Item score, mean (SD) | 1.8 | 0.5 |
| Knowledge related to seasonal influenza vaccination, appropriate response | ||
| Does the Hong Kong government recommend seasonal influenza vaccination to individuals aged 65 years or above? | 429 | 97.5 |
| Can all individuals aged 65 years or above receive free seasonal influenza vaccination at public hospitals/clinics? | 428 | 97.3 |
| Do you need to take up seasonal influenza vaccination every year? | 425 | 96.6 |
| Knowledge score, mean (SD) | 2.9 | 0.4 |
| Perceptions related to seasonal influenza vaccination | ||
| Perceived susceptibility related to seasonal influenza, high/very high | ||
| If you do not receive seasonal influenza vaccination how high is your chance of having seasonal influenza in the incoming flu season? | 59 | 13.4 |
| Item score, mean (SD) | 1.5 | 0.7 |
| Perceived severity of seasonal influenza, high or very high | ||
| If you do not receive seasonal influenza vaccination, how high is your chance of having severe illness (e.g., bronchitis, pneumonia, brain lesions or death) due to seasonal influenza? | 57 | 13.0 |
| Item score, mean (SD) | 1.5 | 0.7 |
| Perceived benefit of seasonal influenza vaccination, agree | ||
| Seasonal influenza vaccination is highly effective in protecting you from seasonal influenza | 282 | 64.1 |
| Seasonal influenza vaccination is highly effective in preventing severe consequences of seasonal influenza | 302 | 68.6 |
| Seasonal influenza vaccination is highly effective in protecting your family members from seasonal influenza | 216 | 49.1 |
| Perceived Benefit Scale, mean (SD) | 7.5 | 1.8 |
| Perceived barrier to receiving seasonal influenza vaccination, agree | ||
| Seasonal influenza vaccination has severe side effects | 31 | 7.0 |
| Item score, mean (SD) | 1.3 | 0.6 |
| Seasonal influenza vaccination is too expensive for you | 8 | 1.8 |
| Item score, mean (SD) | 1.1 | 0.4 |
| It is inconvenient for you to receive seasonal influenza vaccination | 13 | 3.0 |
| Item score, mean (SD) | 1.1 | 0.4 |
| Your health conditions are not suitable for seasonal influenza vaccination | 70 | 15.9 |
| Item score, mean (SD) | 1.5 | 0.8 |
| Perceived Barrier Scale, mean (SD) | 5.0 | 1.2 |
| Cue to action related to seasonal influenza vaccination, agree | ||
| Doctors would support you to receive seasonal influenza vaccination | 299 | 68.0 |
| Your family or friends would support you to receive seasonal influenza vaccination | 213 | 48.4 |
| Cue to Action Scale, mean (SD) | 5.0 | 1.0 |
| Perceived self-efficacy related to receiving seasonal influenza vaccination, agree | ||
| You are confident to receive seasonal influenza vaccination if you want to | 422 | 95.9 |
| Taking up seasonal influenza vaccination is easy for you | 416 | 94.5 |
| Perceived Self-efficacy Scale, mean (SD) | 5.9 | 0.6 |
| Peer influence related to seasonal influenza vaccination | ||
| Your family or friends had history of seasonal influenza | ||
| No | 219 | 40.8 |
| Yes | 221 | 50.2 |
| In Hong Kong, how many people of your age would receive seasonal influenza vaccination for the incoming flu season? | ||
| Very few/few/some | 289 | 61.1 |
| Many/great many | 151 | 38.9 |
SD: standard deviation.