| Face mask use in public venues | Increased frequency of handwashing | Avoidance of eating poultry | ||||||
---|---|---|---|---|---|---|---|---|---|
 | Row% | ORu | ORm | Row% | ORu | ORm | Row% | ORu | ORm |
Background characteristics | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Age groups | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   18 – 34 | 65.1 | 1.00 | 1.00 | 81.7 | 1.00 | ns | 55.9 | 1.00 | ns |
   35 – 60 | 78.9 | 2.00** | 2.38*** | 89.6 | 1.93* |  | 68.5 | 1.71** |  |
Marital status | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Never married | 64.9 | 1.00 | ns | 83.0 | 1.00 | ns | 55.3 | 1.00 | 1.00 |
   Ever married | 79.0 | 2.04** |  | 88.9 | 1.64 ~ |  | 68.9 | 1.79** | 2.11*** |
Employment status | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Not employed full-time | 65.8 | 1.00 | 1.00 | 86.4 | ns | --- | 61.3 | ns | --- |
   Employed full-time | 78.9 | 1.95** | 2.07** | 86.8 |  |  | 65.5 |  |  |
Perceived modes of transmission of human-to-human H5N1: | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Respiratory droplets | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No/not certain | 62.5 | 1.00 | ns | 77.8 | 1.00 | ns | 61.1 | ns | --- |
   Yes | 75.6 | 1.86* |  | 88.2 | 2.13* |  | 64.3 |  |  |
Bodily contact | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No/not certain | 70.0 | 1.00 | ns | 86.2 | ns | --- | 61.2 | ns | --- |
   Yes | 77.8 | 1.50* |  | 87.2 |  |  | 66.7 |  |  |
Objects contaminated with the virus | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No/not certain | 72.1 | ns | --- | 82.7 | 1.00 | ns | 62.4 | ns | --- |
   Yes | 74.8 |  |  | 89.2 | 1.73* |  | 64.7 |  |  |
Eating well-cooked poultry | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No/not certain | 73.8 | ns | --- | 86.2 | ns | --- | 60.3 | 1.00 | 1.00 |
   Yes | 73.6 |  |  | 88.0 |  |  | 74.4 | 1.91** | 1.92** |
No. of items with "yes" responses in the above 4 items | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   0 – 2 | 68.9 | 1.00 | ns | 83.8 | 1.00 | ns | 60.6 | 1.00 | ns |
   3 – 4 | 81.1 | 1.94** |  | 91.0 | 1.97* |  | 68.7 | 1.42 ~ |  |
Perceived impacts of human-to-human H5N1 | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Fatality rate | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Same as SARS/better than SARS/not certain | 67.1 | 1.00 | 1.00 | 83.1 | 1.00 | 1.00 | 60.8 | 1.00 | ns |
   Worse than SARS | 83.7 | 2.51*** | 1.86* | 92.1 | 2.37** | 1.94* | 68.3 | 1.39 ~ |  |
Efficacy of treatment | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Same as SARS/better than SARS/not certain | 71.5 | 1.00 | ns | 85.6 | 1.00 | ns | 62.8 | ns | --- |
   Worse than SARS | 89.2 | 3.31** |  | 93.8 | 2.56 ~ |  | 70.8 |  |  |
Perceived chance to have a major human-to-human H5N1 outbreak in Hong Kong | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low chance/not certain | 68.5 | 1.00 | 1.00 | 85.2 | ns | --- | 59.9 | 1.00 | 1.00 |
   High/very high chance | 84.3 | 2.47*** | 2.23** | 89.8 |  |  | 71.7 | 1.69* | 1.58* |
Worry about oneself/family members contracting the virus a | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 63.9 | 1.00 | 1.00 | 81.5 | 1.00 | 1.00 | 57.5 | 1.00 | ns |
   Likely/very likely | 82.2 | 2.61*** | 2.11** | 91.1 | 2.32** | 2.20** | 69.3 | 1.67** |  |
No effective drugs currently available | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Disagree/not certain | 68.7 | 1.00 | ns | 83.5 | 1.00 | ns | 62.7 | ns | --- |
   Agree | 78.7 | 1.69* |  | 89.8 | 1.73* |  | 65.0 |  |  |
Perceived susceptibility to H5N1 infection | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Oneself or one's family | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 69.3 | 1.00 | ns | 86.7 | ns | --- | 62.5 | ns | --- |
   Likely/very likely | 85.9 | 2.71*** |  | 86.7 |  |  | 67.4 |  |  |
Older people | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 64.0 | ns | --- | 88.0 | ns | --- | 56.0 | ns | --- |
   Likely/very likely | 74.8 |  |  | 86.5 |  |  | 64.7 |  |  |
Adults | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 68.6 | 1.00 | ns | 84.3 | ns | --- | 63.6 | ns | --- |
   Likely/very likely | 79.3 | 1.76** |  | 89.3 |  |  | 64.0 |  |  |
Children | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 61.6 | 1.00 | ns | 82.2 | ns | --- | 67.1 | ns | --- |
   Likely/very likely | 75.8 | 1.95* |  | 87.4 |  |  | 63.3 |  |  |
Health care workers | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 63.8 | 1.00 | ns | 84.8 | ns | --- | 64.8 | ns | --- |
   Likely/very likely | 76.4 | 1.83* |  | 87.2 |  |  | 63.6 |  |  |
Food sellers | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 68.9 | ns | --- | 81.1 | ns | --- | 45.9 | 1.00 | 1.00 |
   Likely/very likely | 74.6 |  |  | 87.6 |  |  | 66.9 | 2.38** | 2.63*** |
Food dealers | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 68.6 | 1.00 | ns | 86.0 | ns | --- | 60.5 | ns | --- |
   Likely/very likely | 76.4 | 1.48 ~ |  | 87.0 |  |  | 65.6 |  |  |
The general public | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Unlikely/very unlikely/not certain | 68.9 | 1.00 | ns | 86.2 | ns | --- | 61.7 | ns | --- |
   Likely/very likely | 83.4 | 2.28** |  | 87.6 |  |  | 68.0 |  |  |
No. of items with "likely/very likely" responses in the above 8 items | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   0 – 6 | 69.0 | 1.00 | 1.00 | 86.2 | ns | --- | 62.3 | ns | --- |
   7 – 8 | 88.1 | 3.33*** | 2.54** | 88.1 |  |  | 68.3 |  |  |
Perceived efficacy of prevention measures | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Quarantine of the infected people | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low/not certain | 70.4 | ns | --- | 88.9 | ns | --- | 66.7 | ns | --- |
   High/very high | 73.9 |  |  | 86.6 |  |  | 63.7 |  |  |
Face mask use in public venues | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low/not certain | 37.5 | 1.00 | 1.00 | 68.8 | 1.00 | 1.00 | 47.9 | 1.00 | 1.00 |
   High/very high | 77.6 | 5.77*** | 2.78* | 88.6 | 3.52*** | 2.21* | 65.5 | 2.06* | 1.87* |
Frequent handwashing | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low/not certain | 68.8 | ns | --- | 50.0 | 1.00 | 1.00 | 71.9 | ns | --- |
   High/very high | 74.1 |  |  | 89.2 | 8.24*** | 7.76*** | 63.3 |  |  |
Home disinfection | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low/not certain | 63.3 | 1.00 | ns | 75.5 | 1.00 | ns | 63.3 | ns | --- |
   High/very high | 74.9 | 1.73 ~ |  | 87.9 | 2.35* |  | 63.9 |  |  |
Mass extermination of poultry | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low/very low/not certain | 66.9 | 1.00 | ns | 78.9 | 1.00 | 1.00 | 56.3 | 1.00 | ns |
   High/very high | 76.5 | 1.61* |  | 89.8 | 2.35** | 2.12* | 66.8 | 1.56* |  |
No. of items with "high/very high chance" responses in the above 5 items | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   0 – 3 | 46.8 | 1.00 | 1.00 | 69.4 | 1.00 | ns | 61.3 | ns | --- |
   4 – 5 | 77.6 | 3.93*** | 2.75** | 89.1 | 3.62*** |  | 64.2 |  |  |