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Table 5 Factors associated with anticipated preventive behaviors to protect others if 2 to 3 new human-to-human H5N1 cases were to be reported in Hong Kong

From: Anticipated and current preventive behaviors in response to an anticipated human-to-human H5N1 epidemic in the Hong Kong Chinese general population

  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             
Education level             
   ≤ 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             
   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             
   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:             
Respiratory droplets             
   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             
   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             
   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             
   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             
   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             
Perceived chance to have a major human-to-human H5N1 outbreak in Hong Kong             
   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             
   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             
   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             
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             
   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             
   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             
   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             
   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             
   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             
   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             
   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             
   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             
Quarantine of the infected people             
   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             
   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             
   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             
   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             
   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             
   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 ~  
  1. a Would worry that it is likely/very likely for oneself or one's family members to contract H5N1 (if 2–3 new cases were to be reported in Hong Kong. Gender, age group, and perception that the impacts of human-to-human H5N1 would be worse than that of SARS in terms of fatality rate and efficacy of treatment were not associated with any of the 4 dependent variables and were hence not tabulated.
  2. ORU = Univariate odds ratio.
  3. ORm = Odds ratios obtained from multivariate stepwise logistic regression using univariately significant (including marginally significant) variables as candidate variables.
  4. ~ 0.5 < p < 0.1; *p < 0.5; **p < 0.01; ***p < 0.001.
  5. ns = not significant.
  6. --- univariately non-significant and was not considered in the multivariate stepwise logistic regression analysis.