Table 5

 Perceptions and behaviours that may be conducive to the spread of SARS in mainland China (prevalence and univariate analysis)

Would not consult doctors if having influenza-like symptoms in ChinaNot wearing masks in public places if having influenza-like symptoms in ChinaWearing masks in Hong Kong but not wearing masks in China if having influenza-like symptoms
%ORu*%ORu%ORu
ORu, univariate odds ratio; *1 = yes and 0 =  no; †1 = yes and 0 =  no; ‡1 = yes and 0 = no.
All 69.312.732.8
Gender
Male69.61.07 (0.74 to 1.55)13.51.47 (0.84 to 2.58)34.51.51 (1.02 to 2.23)
Female68.11.09.61.025.91.0
p Value0.7110.1770.041
Age group
18–2965.80.95 (0.60 to 1.51)15.81.26 (0.68 to 2.33)19.30.46 (0.26 to 0.79)
30–4471.41.23 (0.88 to 1.72)11.70.87 (0.55 to 1.42)35.41.05 (0.75 to 1.47)
45–6066.91.013.01.034.31.0
p Value0.3280.4770.06
Marital status
Married70.41.01 (0.49 to 2.08)11.70.30(0.14 to 0.64)35.82.23 (0.96 to 5.20)
Single67.50.88 (0.41 to 1.90)12.00.31(0.14 to 0.71)27.51.52 (0.62 to 3.70)
Separated/divorced/widowed70.31.030.61.020.01.0
p Value0.7550.0070.033
Education attainment
⩽9 years70.21.017.91.028.01.0
10–11 years75.91.34 (0.87 to 2.07)12.60.66 (0.38 to 1.14)33.21.28 (0.83 to 1.97)
12–13 years64.90.79 (0.51 to1.22)13.90.74 (0.42 to 1.30)35.01.38 (0.88 to 2.18)
College or university65.70.81 (0.54 to 1.22)7..30.36 (0.20 to 0.67)35.71.43 (0.93 to 2.19)
p Value0.0580.0140.391
Duration of stay in the travel destination (number of nights)
Day trip85.810.00 (5.64 to 17.73)14.60.93 (0.47 to 1.84)16.40.52 (0.24 to 1.12)
1–770.03.88 (2.49 to 6.04)11.50.71 (0.39 to 1.31)39.41.74 (0.87 to 3.45)
>837.61.015.51.027.31.0
p Value<0.0010.376<0.001
Travelled to Shenzhen
Yes71.91.46 (1.07 to 2.00)14.21.57 (0.97 to 2.52)28.80.56 (0.41 to 0.77)
No63.61.09.51.041.91.0
p Value0.0170.0640.034
Travelled to Guangzhou
Yes55.60.53 (0.30 to 0.93)5.60.39 (0.12 to 1.26)42.91.59 (0.88 to 2.85)
No70.21.013.21.032.11.0
p Value0.0260.1160.123
Travelled to other Guangdong cities
Yes71.21.13 (0.80 to 1.59)10.30.73 (0.44 to 1.20)40.81.61 (1.15 to 2.25)
No68.81.013.61.030.11.0
p Value0.4820.2180.006
Travelled to other provinces
Yes24.30.13 (0.06 to 0.28)13.51.08 (0.41 to 2.83)44.01.64 (0.73 to 3.66)
No71.41.012.71.032.41.0
p Value<0.0010.8790.228
Number of trips in past month
1 trip61.90.49 (0.30 to 0.80)12.60.93 (0.49 to 1.78)26.71.182 (0.69 to 2.02)
2–367.50.63 (0.39 to 1.01)14.11.07 (0.58 to 1.95)34.81.74 (1.08 to 2.78)
4–1070.30.72 (0.46 to 1.12)11.00.80 (0.44 to 1.44)39.72.14 (1.38 to 3.31)
>1076.71.013.41.023.6
p Value0.0330.7470.002
Perceived efficacy of mask wearing for prevention of SARS
Moderate/low/very low70.31.21 (0.87 to 1.68)15.22.38 (1.36 to 4.15)33.10.97 (0.70 to 1.36)
High/very high66.21.07.01.033.81.0
p Value0.2640.0020.864
Perceived risk of Hong Kong residents contracting SARS in Shenzhen
Moderate/low/very low66.40.56 (0.39 to 0.81)14.01.66 (0.98 to 2.81)35.41.48 (1.03 to 2.12)
High/very high77.81.09.01.027.01.0
p Value0.0020.0600.034
Perceived risk of Hong Kong reresidents contracting SARS in Guangzhou
Moderate/low/very low61.70.59 (0.43 to 0.82)16.32.04 (1.28 to 3.25)33.91.02 (0.74 to 1.43)
High/very high73.11.08.71.033.41.0
p Value0.0010.0030.891
Perceived risk of Hong Kong residents contracting SARS in other provinces of mainland China
Moderate/low/very low64.30.59 (0.41 to 0.83)16.22.02 (1.22 to 3.33)35.81.33 (0.94 to 1.88)
High/very high75.51.08.81.029.51.0
p Value0.0020.0060.102
Perceived risk of oneself contracting SARS
Moderate/low/very low68.50.65 (0.31 to 1.40)13.01.34 (0.47 to 3.85)32.80.94 (0.47 to 1.87)
High/very high76.91.010.01.034.21.0
p Value0.2730.5860.94
Perceived chance of fatality caused by SARS
Moderate/low/very low68.90.94 (0.68 to 1.31)12.61.10 (0.69 to 1.74)33.91.08 (0.78 to 1.50)
High/very high70.11.011.61.032.21.0
p Value0.7270.6990.653
Availability of medicine to cure SARS
Not available71.51.35 (0.99 to 1.84)15.32.12 (1.30 to 3.46)33.61.04 (0.76 to 1.43)
Available65.11.07.91.032.71.0
p Value0.00610.0030.803