Knowledge and attitudes related to modes of transmission, curability, fatality, and susceptibility of SARS
| Date of interview | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Initial phase | Second phase | |||||||||||||
| 21.3 | 22.3 | 23.3 | 24.3 | 28.3 | 1.4 | 8.4 | 11.4 | 24.4 | 12.5 | All | p Value† | p Value‡ | p Value§ | |
| †For comparison from 21/3 to 1/4 and derived from two sided linear by linear χ2 test; | ||||||||||||||
| ‡For comparison from 1/4 to 12/5 and derived from two sided linear by linear χ2 test; | ||||||||||||||
| §χ2 test for comparisons between phase 1 (not including 1/4) and phase 2; | ||||||||||||||
| *, ¶ and **OR⩾1 and<2, ⩾2 and<4, ⩾4, respectively and p<0.05, for comparison with the reference (21/3) or the first column of data while controlling for age, gender, and levels of education; | ||||||||||||||
| ††, §§, and ‡‡OR⩾0.5 and<1, ⩾0.25 and<0.5, <0.25, respectively, and p<0.05, for comparison with the reference (21 Mar) or the first column while controlling for age, gender, and levels of education;—data not collected for those rounds of survey; | ||||||||||||||
| ¶¶significantly increased from the initial phase to the second phase (p<0.05 by χ2 test); | ||||||||||||||
| ***significantly decreased from the initial phase to the second phase (p<0.05 by χ2 test). | ||||||||||||||
| New SARS cases on the previous day | 20 | 32 | 20 | 25 | 51 | 80 | 41 | 28 | 24 | 4 | ||||
| Mode of transmission | ||||||||||||||
| Direct body contact with patients (% very likely/likely) | 80.5 | 81.8 | 81.8 | 67.7 | 87.0 | 84.3 | 87.3 | 90.3¶ | 86.7 | 83.7 | 84.8 | 0.350 | 0.856 | 0.053 |
| Droplets (%very likely/likely) | 92.1 | 97.4 | 95.6 | 98.5 | 97.6 | 97.8¶ | 96.8 | 98.1** | 94.5 | 97.7¶ | 96.8 | 0.216 | 0.683 | 0.659 |
| Aerosols (%very likely/likely) | 39.0 | 40.7 | 40.0 | 58.5¶ | 46.7 | 48.4 | 37.2 | 34.4 | 30.3 | 30.2 | 39.5 | 0.181 | <0.001 | 0.003¶¶ |
| Articles touched by patients (%very likely/likely) | 45.5 | 39.3 | 46.7 | 47.7 | 71.0¶ | 71.4¶ | 63.5¶ | 70.8¶ | 69.7¶ | 58.1* | 60.9 | <0.001 | 0.316 | <0.001*** |
| Environment contamination (%very likely/likely) | − | − | − | − | − | − | 56.1 | 55.2 | 60.6 | 55.2 | 56.8 | − | 0.917 | − |
| SARS is curable ? (%Yes) | 48.6 | 38.7 | 34.4 | 30.8§§ | 54.0 | 66.3¶ | 57.0 | 61.8 | 25.8§§ | 37.3 | 47.1 | <0.001 | <0.001 | 0.015*** |
| SARS is fatal ?(%Yes) | 76.3 | 74.8 | 72.2 | 66.7 | 55.0§§ | 35.0‡‡ | 31.6‡‡ | 31.6‡‡ | 59.8§§ | 45.6§§ | 51.6 | <0.001 | <0.001 | <0.001¶¶ |
| Susceptibility to SARS | ||||||||||||||
| Perceived chance of infection for oneself (%very large/large) | 3.9 | 9.2 | 8.8 | 11.1 | 14.3** | 12.4¶ | 7.0 | 7.1 | 7.3 | 4.7 | 8.7 | 0.124 | 0.038 | 0.126 |
| Perceived chance of infection for family members (%very large/large) | 6.4 | 11.8 | 7.7 | 7.9 | 11.9 | 11.4 | 9.5 | 10.4 | 9.7 | 1.2‡‡ | 9.0 | 0.430 | 0.017 | 0.318 |
| Worried about oneself and family members being infected (% much worried/worried) | 37.2 | 41.7 | 19.8§§ | 42.4 | 43.8 | 33.5 | 28.5 | 34.2 | 38.8 | 18.0§§ | 33.6 | 0.524 | 0.291 | 0.003¶¶ |
| Fear of contracting the virus in public places (% much scared/scared) | − | − | − | − | 55.6 | 52.4 | 53.2 | 50.3 | 43.6†† | 35.5§§ | 48.4 | 0.548 | 0.001 | 0.040¶¶ |