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Volume 9, Number 3—March 2003
Research

Tularemia on Martha’s Vineyard: Seroprevalence and Occupational Risk

Katherine A. Feldman*Comments to Author , Donna Stiles-Enos†, Kathleen Julian*, Bela T. Matyas‡, Sam R. Telford§, May C. Chu*, Lyle R. Petersen*, and Edward B. Hayes*
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †Martha’s Vineyard Hospital, Oak Bluffs, Massachusetts, USA; ‡The Massachusetts Department of Public Health, Boston, Massachusetts, USA; §The Harvard School of Public Health, Cambridge, Massachusetts, USA

Main Article

Table 2

Risk factors among landscapers (dichotomous variables), Martha’s Vineyard, 2001a

Potential risk factor Seropositive among exposed
no. (%) Seropositive among
unexposed
no. (%) Prevalence ratio
(95% CI) Yates corrected
p value
Mow or brush-cut during summer
12/116 (10.3)
0/16 (0)
Undef (undef, undef)
0.38
Recall mowing or brush-cutting over dead animal
4/30 (13.3)
8/79 (10.1)
1.3 (0.4 to 4.1)
0.90
Use power blower during summer
11/72 (15.3)
1/60 (1.7)
9.2 (1.2 to 69.0)
0.02
Ticks crawling on body
10/112 (8.9)
2/18 (11.1)
0.8 (0.2 to 3.4)
0.89
Ticks attached to skin
4/73 (5.5)
8/59 (13.6)
0.4 (0.1 to 1.3)
0.19
Seen sick or dead rabbits in past year 6/60 (10) 6/71 (8.5) 1.2 (0.4 to 3.5) 0.99

aCI, confidence interval; undef = undefined.

Main Article

Page created: December 07, 2010
Page updated: December 07, 2010
Page reviewed: December 07, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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