| Full compliance with any quarantine policies | Face mask use in public venues if having ILI symptoms | Declaration of ILI symptoms at border health checkpoints | Seeking of medical consultation immediately with the onset of a fever | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Row% | ORu | ORm | Row% | ORu | ORm | Row% | ORu | ORm | Row% | ORu | ORm |
Background characteristics | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Education level | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   ≤ Matriculated | 87.5 | ns | --- | 90.6 | 1.00 | 1.00 | 86.3 | ns | --- | 94.2 | ns | --- |
   ≥ University | 89.6 |  |  | 96.0 | 2.47* | 2.99* | 88.4 |  |  | 94.2 |  |  |
Marital status | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Never married | 83.5 | 1.00 | 1.00 | 91.0 | ns | --- | 84.6 | ns | --- | 94.1 | ns | --- |
   Ever married | 91.1 | 2.02* | 2.02* | 93.3 |  |  | 88.6 |  |  | 94.3 |  |  |
Employment status | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Not employed full-time | 87.4 | ns | --- | 88.9 | 1.00 | ns | 86.4 | ns | --- | 92.0 | 1.00 | ns |
   Employed full-time | 88.8 |  |  | 94.7 | 2.24* |  | 87.5 |  |  | 95.7 | 1.96 ~ |  |
Perceived modes of transmission of human-to-human H5N1: | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Respiratory droplets | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No/not certain | 79.2 | 1.00 | ns | 87.5 | 1.00 | ns | 90.3 | ns | --- | 95.8 | ns | --- |
   Yes | 89.8 | 2.32* |  | 93.3 | 1.98 ~ |  | 86.5 |  |  | 94.0 |  |  |
Bodily contact | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No/not certain | 86.9 | ns | --- | 91.9 | ns | --- | 89.2 | ns | --- | 93.8 | ns | --- |
   Yes | 89.7 |  |  | 93.0 |  |  | 84.8 |  |  | 94.7 |  |  |
Objects contaminated with the virus | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No/not certain | 88.8 | ns | --- | 91.4 | ns | --- | 86.3 | ns | --- | 93.4 | ns | --- |
   Yes | 87.9 |  |  | 93.1 |  |  | 87.6 |  |  | 94.8 |  |  |
Eating well-cooked poultry | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No/not certain | 88.4 | ns | --- | 91.8 | ns | --- | 86.0 | ns | --- | 93.9 | ns | --- |
   Yes | 88.0 |  |  | 94.4 |  |  | 90.4 |  |  | 95.2 |  |  |
No. of items with "yes" responses in the above 4 items | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   0 – 2 | 87.7 | ns | --- | 90.4 | 1.00 | ns | 87.1 | ns | --- | 93.4 | ns | --- |
   3 – 4 | 89.1 |  |  | 95.5 | 2.27* |  | 87.1 |  |  | 95.5 |  |  |
Perceived impacts of human-to-human H5N1 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Perceived chance to have a major human-to-human H5N1 outbreak in Hong Kong | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low chance/not certain | 86.6 | ns | --- | 90.5 | 1.00 | 1.00 | 83.7 | 1.00 | 1.00 | 93.2 | ns | --- |
   High/very high chance | 91.6 |  |  | 96.4 | 2.80* | 2.71* | 94.0 | 3.04** | 3.09** | 96.4 |  |  |
Worry about oneself/family members contracting the virus a | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 87.1 | ns | --- | 89.7 | 1.00 | ns | 86.7 | ns | --- | 92.7 | ns | --- |
   Likely/very likely | 89.3 |  |  | 94.8 | 2.10* |  | 87.4 |  |  | 95.6 |  |  |
No effective drugs currently available | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Disagree/not certain | 85.5 | 1.00 | ns | 91.6 | ns | --- | 83.9 | 1.00 | ns | 92.8 | ns | --- |
   Agree | 90.9 | 1.70 ~ |  | 93.3 |  |  | 90.2 | 1.75* |  | 95.7 |  |  |
Perceived susceptibility to H5N1 infection | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Oneself or one's family | 87.2 | ns | --- | 91.3 | ns | --- | 85.3 | 1.00 | ns | 93.2 | ns | --- |
   Unlikely/very unlikely/not certain | 91.1 |  |  | 95.6 |  |  | 91.9 | 1.94 ~ |  | 97.0 |  |  |
   Likely/very likely |  |  |  |  |  |  |  |  |  |  |  |  |
Older people | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 78.0 | 1.00 | ns | 90.0 | ns | --- | 86.0 | ns | --- | 90.0 | ns | --- |
   Likely/very likely | 89.4 | 2.38* |  | 92.7 |  |  | 87.2 |  |  | 94.7 |  |  |
Adults | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 87.0 | ns | --- | 91.6 | ns | --- | 86.6 | ns | --- | 94.6 | ns | --- |
   Likely/very likely | 89.7 |  |  | 93.4 |  |  | 87.6 |  |  | 93.8 |  |  |
Children | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 78.1 | 1.00 | 1.00 | 90.4 | ns | --- | 86.3 | ns | --- | 91.8 | ns | --- |
   Likely/very likely | 90.0 | 2.53** | 2.50** | 92.8 |  |  | 87.2 |  |  | 94.7 |  |  |
Health care workers | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 83.8 | ns | --- | 91.4 | ns | --- | 86.7 | ns | --- | 93.3 | ns | --- |
   Likely/very likely | 89.4 |  |  | 92.7 |  |  | 87.2 |  |  | 94.5 |  |  |
Food sellers | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 87.8 | ns | --- | 85.1 | 1.00 | ns | 82.4 | ns | --- | 89.2 | 1.00 | ns |
   Likely/very likely | 88.3 |  |  | 93.7 | 2.60* |  | 87.9 |  |  | 95.1 | 2.36* |  |
Food dealers | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 88.4 | ns | --- | 88.4 | 1.00 | ns | 84.3 | ns | --- | 94.2 | ns | --- |
   Likely/very likely | 88.2 |  |  | 94.6 | 2.29* |  | 88.5 |  |  | 94.3 |  |  |
The general public | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 86.2 | 1.00 | ns | 91.6 | ns | --- | 85.6 | ns | --- | 94.3 | ns | --- |
   Likely/very likely | 92.3 | 1.92* |  | 94.1 |  |  | 89.9 |  |  | 94.1 |  |  |
No. of items with "likely/very likely" responses in the above 8 items | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   0 – 6 | 86.7 | 1.00 | ns | 91.2 | 1.00 | ns | 85.7 | ns | --- | 93.9 | ns | --- |
   7 – 8 | 92.9 | 1.99 ~ |  | 96.0 | 2.32 ~ |  | 91.3 |  |  | 95.2 |  |  |
Efficacy of prevention measures | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Quarantine of the infected people | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low/not certain | 74.1 | 1.00 | ns | 81.5 | 1.00 | ns | 81.5 | ns | --- | 92.6 | ns | --- |
   High/very high | 89.1 | 2.85* |  | 93.1 | 3.05* |  | 87.4 |  |  | 94.3 |  |  |
Face mask use in public venues | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low/not certain | 70.8 | 1.00 | 1.00 | 70.8 | 1.00 | 1.00 | 75.0 | 1.00 | ns | 87.5 | 1.00 | ns |
   High/very high | 90.1 | 3.75*** | 3.31** | 94.7 | 7.40*** | 8.03*** | 88.4 | 2.53* |  | 94.9 | 2.68* |  |
Frequent handwashing | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low/not certain | 81.3 | ns | --- | 84.4 | 1.00 | --- | 78.1 | ns | --- | 87.5 | ns | --- |
   High/very high | 88.7 |  |  | 93.0 | 2.46 ~ |  | 87.7 |  |  | 94.7 |  |  |
Home disinfection | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low/not certain | 85.7 | ns | --- | 87.8 | ns | --- | 73.5 | 1.00 | 1.00 | 91.8 | ns | --- |
   High/very high | 88.5 |  |  | 93.0 |  |  | 88.5 | 2.79** | 2.87** | 94.5 |  |  |
Mass extermination of poultry | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low/not certain | 84.5 | ns | --- | 90.1 | ns | --- | 88.7 | ns | --- | 89.4 | 1.00 | 1.00 |
   High/very high | 89.8 |  |  | 93.4 |  |  | 86.4 |  |  | 96.1 | 2.93** | 2.93** |
No. of items with "high/very high chance" responses in the above 5 items | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   0 – 3 | 77.4 | 1.00 | ns | 80.6 | 1.00 | ns | 77.4 | 1.00 | ns | 88.7 | 1.00 | ns |
   4 – 5 | 89.8 | 2.57** |  | 94.1 | 3.83*** |  | 88.4 | 2.23* |  | 95.0 | 2.42 ~ |  |