All
| 69.3 | | 12.7 | | 32.8 | |
Gender
| | | | | | |
Male | 69.6 | 1.07 (0.74 to 1.55) | 13.5 | 1.47 (0.84 to 2.58) | 34.5 | 1.51 (1.02 to 2.23) |
Female | 68.1 | 1.0 | 9.6 | 1.0 | 25.9 | 1.0 |
p Value | | 0.711 | | 0.177 | | 0.041 |
Age group
| | | | | | |
18–29 | 65.8 | 0.95 (0.60 to 1.51) | 15.8 | 1.26 (0.68 to 2.33) | 19.3 | 0.46 (0.26 to 0.79) |
30–44 | 71.4 | 1.23 (0.88 to 1.72) | 11.7 | 0.87 (0.55 to 1.42) | 35.4 | 1.05 (0.75 to 1.47) |
45–60 | 66.9 | 1.0 | 13.0 | 1.0 | 34.3 | 1.0 |
p Value | | 0.328 | | 0.477 | | 0.06 |
Marital status
| | | | | | |
Married | 70.4 | 1.01 (0.49 to 2.08) | 11.7 | 0.30(0.14 to 0.64) | 35.8 | 2.23 (0.96 to 5.20) |
Single | 67.5 | 0.88 (0.41 to 1.90) | 12.0 | 0.31(0.14 to 0.71) | 27.5 | 1.52 (0.62 to 3.70) |
Separated/divorced/widowed | 70.3 | 1.0 | 30.6 | 1.0 | 20.0 | 1.0 |
p Value | | 0.755 | | 0.007 | | 0.033 |
Education attainment
| | | | | | |
⩽9 years | 70.2 | 1.0 | 17.9 | 1.0 | 28.0 | 1.0 |
10–11 years | 75.9 | 1.34 (0.87 to 2.07) | 12.6 | 0.66 (0.38 to 1.14) | 33.2 | 1.28 (0.83 to 1.97) |
12–13 years | 64.9 | 0.79 (0.51 to1.22) | 13.9 | 0.74 (0.42 to 1.30) | 35.0 | 1.38 (0.88 to 2.18) |
College or university | 65.7 | 0.81 (0.54 to 1.22) | 7..3 | 0.36 (0.20 to 0.67) | 35.7 | 1.43 (0.93 to 2.19) |
p Value | | 0.058 | | 0.014 | | 0.391 |
Duration of stay in the travel destination (number of nights)
| | | | | | |
Day trip | 85.8 | 10.00 (5.64 to 17.73) | 14.6 | 0.93 (0.47 to 1.84) | 16.4 | 0.52 (0.24 to 1.12) |
1–7 | 70.0 | 3.88 (2.49 to 6.04) | 11.5 | 0.71 (0.39 to 1.31) | 39.4 | 1.74 (0.87 to 3.45) |
>8 | 37.6 | 1.0 | 15.5 | 1.0 | 27.3 | 1.0 |
p Value | | <0.001 | | 0.376 | | <0.001 |
Travelled to Shenzhen
| | | | | | |
Yes | 71.9 | 1.46 (1.07 to 2.00) | 14.2 | 1.57 (0.97 to 2.52) | 28.8 | 0.56 (0.41 to 0.77) |
No | 63.6 | 1.0 | 9.5 | 1.0 | 41.9 | 1.0 |
p Value | | 0.017 | | 0.064 | | 0.034 |
Travelled to Guangzhou
| | | | | | |
Yes | 55.6 | 0.53 (0.30 to 0.93) | 5.6 | 0.39 (0.12 to 1.26) | 42.9 | 1.59 (0.88 to 2.85) |
No | 70.2 | 1.0 | 13.2 | 1.0 | 32.1 | 1.0 |
p Value | | 0.026 | | 0.116 | | 0.123 |
Travelled to other Guangdong cities
| | | | | | |
Yes | 71.2 | 1.13 (0.80 to 1.59) | 10.3 | 0.73 (0.44 to 1.20) | 40.8 | 1.61 (1.15 to 2.25) |
No | 68.8 | 1.0 | 13.6 | 1.0 | 30.1 | 1.0 |
p Value | | 0.482 | | 0.218 | | 0.006 |
Travelled to other provinces
| | | | | | |
Yes | 24.3 | 0.13 (0.06 to 0.28) | 13.5 | 1.08 (0.41 to 2.83) | 44.0 | 1.64 (0.73 to 3.66) |
No | 71.4 | 1.0 | 12.7 | 1.0 | 32.4 | 1.0 |
p Value | | <0.001 | | 0.879 | | 0.228 |
Number of trips in past month
| | | | | | |
1 trip | 61.9 | 0.49 (0.30 to 0.80) | 12.6 | 0.93 (0.49 to 1.78) | 26.7 | 1.182 (0.69 to 2.02) |
2–3 | 67.5 | 0.63 (0.39 to 1.01) | 14.1 | 1.07 (0.58 to 1.95) | 34.8 | 1.74 (1.08 to 2.78) |
4–10 | 70.3 | 0.72 (0.46 to 1.12) | 11.0 | 0.80 (0.44 to 1.44) | 39.7 | 2.14 (1.38 to 3.31) |
>10 | 76.7 | 1.0 | 13.4 | 1.0 | 23.6 | |
p Value | | 0.033 | | 0.747 | | 0.002 |
Perceived efficacy of mask wearing for prevention of SARS
| | | | | | |
Moderate/low/very low | 70.3 | 1.21 (0.87 to 1.68) | 15.2 | 2.38 (1.36 to 4.15) | 33.1 | 0.97 (0.70 to 1.36) |
High/very high | 66.2 | 1.0 | 7.0 | 1.0 | 33.8 | 1.0 |
p Value | | 0.264 | | 0.002 | | 0.864 |
Perceived risk of Hong Kong residents contracting SARS in Shenzhen
| | | | | | |
Moderate/low/very low | 66.4 | 0.56 (0.39 to 0.81) | 14.0 | 1.66 (0.98 to 2.81) | 35.4 | 1.48 (1.03 to 2.12) |
High/very high | 77.8 | 1.0 | 9.0 | 1.0 | 27.0 | 1.0 |
p Value | | 0.002 | | 0.060 | | 0.034 |
Perceived risk of Hong Kong reresidents contracting SARS in Guangzhou
| | | | | | |
Moderate/low/very low | 61.7 | 0.59 (0.43 to 0.82) | 16.3 | 2.04 (1.28 to 3.25) | 33.9 | 1.02 (0.74 to 1.43) |
High/very high | 73.1 | 1.0 | 8.7 | 1.0 | 33.4 | 1.0 |
p Value | | 0.001 | | 0.003 | | 0.891 |
Perceived risk of Hong Kong residents contracting SARS in other provinces of mainland China
| | | | | | |
Moderate/low/very low | 64.3 | 0.59 (0.41 to 0.83) | 16.2 | 2.02 (1.22 to 3.33) | 35.8 | 1.33 (0.94 to 1.88) |
High/very high | 75.5 | 1.0 | 8.8 | 1.0 | 29.5 | 1.0 |
p Value | | 0.002 | | 0.006 | | 0.102 |
Perceived risk of oneself contracting SARS
| | | | | | |
Moderate/low/very low | 68.5 | 0.65 (0.31 to 1.40) | 13.0 | 1.34 (0.47 to 3.85) | 32.8 | 0.94 (0.47 to 1.87) |
High/very high | 76.9 | 1.0 | 10.0 | 1.0 | 34.2 | 1.0 |
p Value | | 0.273 | | 0.586 | | 0.94 |
Perceived chance of fatality caused by SARS
| | | | | | |
Moderate/low/very low | 68.9 | 0.94 (0.68 to 1.31) | 12.6 | 1.10 (0.69 to 1.74) | 33.9 | 1.08 (0.78 to 1.50) |
High/very high | 70.1 | 1.0 | 11.6 | 1.0 | 32.2 | 1.0 |
p Value | | 0.727 | | 0.699 | | 0.653 |
Availability of medicine to cure SARS
| | | | | | |
Not available | 71.5 | 1.35 (0.99 to 1.84) | 15.3 | 2.12 (1.30 to 3.46) | 33.6 | 1.04 (0.76 to 1.43) |
Available | 65.1 | 1.0 | 7.9 | 1.0 | 32.7 | 1.0 |
p Value | | 0.0061 | | 0.003 | | 0.803 |