Volume 10, Number 2—February 2004
THEME ISSUE
2004 SARS Edition
SARS Transmission
Secondary Household Transmission of SARS, Singapore
Denise Li-Meng Goh*
, Bee Wah Lee*, Kee Seng Chia*, Bee Hoon Heng†, Mark Chen‡, Stefan Ma§, and Chorh Chuan Tan§
, Bee Wah Lee*, Kee Seng Chia*, Bee Hoon Heng†, Mark Chen‡, Stefan Ma§, and Chorh Chuan Tan§
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) |
0.222 |
| Sex (female) |
1.232 (0.542 to 2.796) |
0.619 |
| Healthcare worker |
1.692 (0.137 to 20.926) |
0.682 |
| Family member |
1.936 (0.372 to 10.076) |
0.432 |
| Household index |
||
| Age (y) |
1.055 (1.015 to 1.097) |
0.007 |
| Sex (female) |
1.274 (0.451 to 3.595) |
0.648 |
| Healthcare worker |
0.157 (0.042 to 0.588) |
0.006 |
| Days index spent at home after onset of symptoms |
0.942 (0.794 to 1.117) |
0.493 |
| No. of persons in household |
1.060 (0.899 to 1.249) |
0.490 |
| Week of outbreak | 1.019 (0.733 to 1.417) | 0.911 |
a Using Cox Regression Model; CI, confidence interval.
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