Volume 9, Number 3—March 2003
Research
Tularemia on Martha’s Vineyard: Seroprevalence and Occupational Risk
Katherine A. Feldman*
, Donna Stiles-Enos†, Kathleen Julian*, Bela T. Matyas‡, Sam R. Telford§, May C. Chu*, Lyle R. Petersen*, and Edward B. Hayes*
, Donna Stiles-Enos†, Kathleen Julian*, Bela T. Matyas‡, Sam R. Telford§, May C. Chu*, Lyle R. Petersen*, and Edward B. Hayes*Table 3
Risk factors among landscapers (continuous variables), Martha’s Vineyard, 2001
| Exposure | n | Mean | Median | Mann-Whitney p value |
|---|---|---|---|---|
| Average hrs mowing/wk |
||||
| Seropositive |
12 |
35 |
29.5 |
|
| Seronegative |
118 |
21 |
15 |
0.03 |
| Average hrs weed-whacking/wk |
||||
| Seropositive |
11 |
26 |
10 |
|
| Seronegative |
114 |
9 |
3 |
0.01 |
| Average no. lawns mowed/wk |
||||
| Seropositive |
11 |
31 |
25 |
|
| Seronegative | 112 | 12 | 3 | 0.0003 |
