Volume 7, Number 7—June 2001
Research
Waterborne Outbreak of Tularemia Associated with Crayfish Fishing
Table 4
Risk factors considered | Prevalence of exposurea in Cases Controls | Crude ORb | 95% CI | Adjusted OR | 95% CI | |
---|---|---|---|---|---|---|
Injury on handling crayfish | 17/18 | 6/20 | 39.7 | 4.3-369.7 | ||
Injury on catching c crayfish | 8/17 | 3/20 | 5.0 | 1.1-23.8 | 29.1d | 2.6-330.9 |
Injury on cleaning crayfish | 10/17 | 3/20 | 8.1 | 1.7-38.6 | 38.8e | 3.5-427.6 |
Not washing crayfish before cleaning | 5/12 | 4/17 | 2.3 | 0.4-15.7 | ||
Washing crayfish by soaking | 9/12 | 10/17 | 2.1 | 0.4-10.7 | ||
Washing hands with soap after cleaning | 5/11 | 11/15 | 0.3 | 0.06-1.6 |
aDenominator indicates number of persons who answered each question.
bOR = odds ratio; 95% CI = 95% confidence interval.
cInjury on catching = injury while fishing or emptying net.
dAdjusted for cleaning-related injury.
eAdjusted for catching-related injury.
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