Volume 9, Number 2—February 2003
Research
Risk Factors for Sporadic Giardiasis: a Case-Control Study in Southwestern England
Table 3
Multivariable analysis of risk factors for giardiasis
Exposure | Odds ratio (95% CI)a | p value |
---|---|---|
Swallowed water while swimming |
6.2 (2.3 to 16.6) |
<0.0001 |
Recreational fresh water contact |
5.5 (1.9 to 15.9) |
0.001 |
Each additional glass of tap water consumed per day |
1.3 (1.1 to 1.5) |
<0.0001 |
Ate lettuce |
2.2 (1.2 to 4.3) |
0.01 |
Ate ice cream | 0.4 (0.2 to 0.7) | 0.002 |
aCI, confidence intervals.
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