Volume 9, Number 11—November 2003
Research
Ebola Hemorrhagic Fever Transmission and Risk Factors of Contacts, Uganda1
Table 4
Multivariate analyses on risk factors for Ebola hemorrhagic fever related to direct and indirect transmission among 83 contacts, Gulu, Uganda, 2000
Risk factors | Adjusted PPRa | 95% CIb | p value |
---|---|---|---|
Model 1: Direct transmission |
|||
Touching patient during illness |
1.56 |
0.19 to 13.04 |
0.679 |
Touching dead body |
1.84 |
0.95 to 3.55 |
0.069 |
Contact with patient fluid |
4.61 |
1.73 to 12.29 |
0.002 |
Model 2: Indirect transmissionc |
|||
Sharing meals |
1.69 |
1.00 to 2.85 |
0.050 |
Washing clothes |
1.02 |
0.47 to 2.22 |
0.957 |
Sleeping in the same hut/on the same mat |
|||
Sharing only the hut |
2.34 |
1.13 to 4.84 |
0.022 |
Sharing also the mat |
2.93 |
1.16 to 7.38 |
0.023 |
Ritual handwashing during funeral |
1.16 |
0.54 to 2.49 |
0.706 |
Communal meal during funeral | 1.50 | 0.98 to 2.28 | 0.060 |
aPPRs, prevalence proportion ratios adjusted for all the variables included in the model.
bCI, confidence intervals.
cModel 2 has been run controlling for the potential confounding effect due to the intensity of direct contacts with a case-patient (less than two types of direct contacts versus two or more types of direct contacts).
1This paper is dedicated to Dr. Matthew Lukwiya, Medical Superintendent of St. Mary’s Hospital Lacor, and the other health staff who contracted and died of Ebola while taking care of hospital patients.