Volume 9, Number 3—March 2003
Research
Tularemia on Martha’s Vineyard: Seroprevalence and Occupational Risk
Table 1
Population | Seropositive landscapers/total no. (%) | Seropositive controls/total no. (%) | Seroprevalence ratio (95% CI) | Yates corrected p value |
---|---|---|---|---|
1) Landscapers vs. physicians’ office patients and members of civic organizations | 12/132 (9.1) | 0/103 (0) | Undef (undef, undef) | 0.004 |
2) Landscapers vs. residents (July) | 1/99 (1) | 9.0 (1.2 to 68.1) | 0.02 | |
3) Landscapers vs. residents (October) | 0/108 (0) | Undef (undef, undef) | 0.004 |
aCI, confidence interval; undef, undefined.
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