Volume 9, Number 6—June 2003
Research
Leptospirosis in “Eco-Challenge” Athletes, Malaysian Borneo, 2000
Table 2
Risk factors for developing illness, univariate analysisa
| Exposure | % Ill (n=80) | % Not ill (n=109) | RR | 95% CI | p value |
|---|---|---|---|---|---|
| Swimming in Segama River |
57 |
28 |
2.0 |
1.3 to 3.1 |
0.002 |
| Swallowing river water |
45 |
21 |
1.8 |
1.2 to 2.9 |
0.008 |
| Kayaking |
95 |
78 |
3.3 |
1.2 to 9.0 |
0.02 |
| Spelunking | 87 | 68 | 2.2 | 1.1 to 4.2 | 0.02 |
aRR, relative risk; CI, confidence interval.


