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Volume 7, Number 7—June 2001


Cholera Outbreak in Southern Tanzania: Risk Factors and Patterns of Transmission

Camilo J. Acosta*†, Claudia M. Galindo*†, John Kimario*, Kesheni Senkoro*, Honorathy Urassa*, Climent Casals†, Manuel Corachán†, N. Eseko‡, Marcel Tanner§, Hassan Mshinda*, Fred Lwilla¶, Jordi Vila†, and Pedro L. Alonso†Comments to Author 
Author affiliations: *Ifakara Health Research and Development Centre, Ifakara, Tanzania; †Hospital Clínic, Barcelona, Spain; ‡Ministry of Health, Dar es Salaam, Tanzania; §Swiss Tropical Institute, Basel, Switzerland; ¶District Medical Officer, Kilombero, Morogoro Region, Tanzania

Main Article

Table 2

Multivariate analysis of risk factors for cholera in 1997 epidemic, Ifakara, Tanzania

Risk factor Odds ratio p-value 95% CIa Attributable risk (%)
>10 minutes to water source 2.7 0.00 1.7-4.4 63a 17b
River bathing 14.4 0.00 8.8-23.5 93a 49b
Eating dried fish 12.1 0.00 7.7-19.1 92a 52b

aCI = confidence interval.
bThe attributable fraction among the exposed population, an estimate of the proportion of exposed cases attributable to exposure.
cThe population-attributable fraction, which is the net proportion of all cases attributable to exposure.

Main Article