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

Risk Factors for SARS among Persons without Known Contact with SARS Patients, Beijing, China

Jiang Wu*, Fujie Xu†‡1, Weigong Zhou†‡1, Daniel R. Feikin†‡1, Chang-Ying Lin*, Xiong He*, Zonghan Zhu§, Wannian Liang§¶, Daniel P. Chin†, and Anne Schuchat†‡1Comments to Author 
Author affiliations: *Beijing Center for Disease Prevention and Control, Beijing, China; †World Health Organization–China Office, Beijing, China; ‡Centers for Disease Control and Prevention, Atlanta, Georgia, USA; §Beijing Municipal Health Bureau, Beijing, China; ¶Beijing Joint SARS Expert Group, Beijing, China; 1These authors served as temporary advisors to the World Health Organization–China Office SARS team

Main Article

Table 2

Factors significantly associated with acquisition of clinically diagnosed SARS in multivariate analysisa

Potential risk or protective factor for SARS Matched OR (95% CI)b p value
Healthcare related
Visited any fever clinicc 12.7 (3.1 to 52.0) <0.001
Having any chronic diseased 4.8 (1.7 to 13.2) 0.002
Visited any farmer’s market 0.4 (0.2 to 0.8) 0.01
Eating out
Never Reference
Once a week 1.6 (0.7 to 3.8) 0.3
More than once a week 3.1 (1.2 to 7.7) 0.02
Taking a taxi
Never Reference
Once a week 0.2 (0.1 to 0.8) 0.02
More than once a week 3.0 (0.9 to 10.3) 0.07
Had a pet 0.4 (0.2 to 0.9) 0.03
Wore a mask when going out
Never Reference
Sometimes 0.4 (0.2 to 0.9) 0.03
Always 0.3 (0.1 to 0.6) 0.002

aOR, odds ratio; CI, confidence interval; SARS, severe acute respiratory syndrome.
bFever clinics were established for triage of patients who might have SARS to separate them from other persons being evaluated in emergency rooms or outpatient clinics.

Main Article

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