Volume 10, Number 2—February 2004
THEME ISSUE
2004 SARS Edition
SARS Transmission
Secondary Household Transmission of SARS, Singapore
Table 1
Characteristics of household contacts and index casesa
Risk Factor | Household contacts with SARS (n = 26) (mean + 1 SD) | Household contacts without SARS (n = 391) (mean + 1 SD) | p value |
---|---|---|---|
Household contact |
|||
Age (y) |
35.3 ± 19.8 |
30.3 ± 17.4 |
0.17 |
Sex (female) |
14 (53.8%) |
225 (57.5%) |
0.71 |
Healthcare worker |
1 (3.8%) |
84 (21.5%) |
0.04 |
Family member |
24 (92.3%) |
269 (68.8%) |
0.01 |
Index case |
|||
Age (y) |
53.5 ± 16.2 |
35.4 ± 13.6 |
<0.001 |
Sex (female) |
20 (76.9%) |
290 (74.2%) |
0.76 |
Healthcare worker |
4 (15.4%) |
273 (69.8%) |
<0.001 |
Days index spent at home after onset of symptoms |
5.3 ± 2.5 |
4.8 ± 2.5 |
0.43 |
No. of persons in household | 5.0 ± 3.0 | 4.8 ± 2.4 | 0.79 |
aUsing Univariate analysis, SARS, severe acute respiratory syndrome.