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Volume 10, Number 2—February 2004
2004 SARS Edition
SARS Transmission

Secondary Household Transmission of SARS, Singapore

Denise Li-Meng Goh*Comments to Author , Bee Wah Lee*, Kee Seng Chia*, Bee Hoon Heng†, Mark Chen‡, Stefan Ma§, and Chorh Chuan Tan§
Author affiliations: *National University of Singapore, Singapore; †National Healthcare Group, Singapore; ‡Tan Tock Seng Hospital, Singapore; §Ministry of Health, Singapore

Main Article

Table 2

Hazard ratios of risk factors analyzeda

Independent risk factor Hazard ratio (95% CI) p value
Household contact

Age (yrs)
1.013 (0.992 to 1.034)
Sex (female)
1.232 (0.542 to 2.796)
Healthcare worker
1.692 (0.137 to 20.926)
Family member
1.936 (0.372 to 10.076)
Household index

Age (y)
1.055 (1.015 to 1.097)
Sex (female)
1.274 (0.451 to 3.595)
Healthcare worker
0.157 (0.042 to 0.588)
Days index spent at home after onset of symptoms
0.942 (0.794 to 1.117)
No. of persons in household
1.060 (0.899 to 1.249)
Week of outbreak 1.019 (0.733 to 1.417) 0.911

a Using Cox Regression Model; CI, confidence interval.

Main Article

Page created: January 26, 2011
Page updated: January 26, 2011
Page reviewed: January 26, 2011
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