Skip directly to search Skip directly to A to Z list Skip directly to site content
CDC Home

Volume 5, Number 6—December 1999

Research

Epidemiologic Studies of Cyclospora cayetanensis in Guatemala

Caryn Bern*†Comments to Author , Beatriz Hernandez†, Maria Beatriz Lopez†, Michael J. Arrowood*, Maricruz Alvarez de Mejia†, Ana Maria de Merida†, Allen W. Hightower*, Linda Venczel‡, Barbara L. Herwaldt*, and Robert E. Klein†
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †Universidad del Valle, Guatemala City, Guatemala; and ‡University of North Carolina, Chapel Hill, North Carolina, USA

Main Article

Table 3

Univariate analysis of factors associated with risk for Cyclospora infection among 69 cases and 120 controls in Guatemala

Proportion (na/Nb [%]) with characteristic
Characteristic Cases Controls OR (95% CI)
High-risk water sourcec 18/69 (26) 15/120 (13) 2.5 (1.1, 5.9)
Drank untreated waterd,e 62/68 (91) 88/120 (73) 3.8 (1.4, 10.8)
Drank river or spring watere 12/68 (18) 8/120 (7) 3.0 (1.1, 8.9)
Swam in river or springe 10/68 (15) 6/120 (5) 3.3 (1.0, 11.5)
Contact with soile 54/69 (78) 73/120 (61) 2.3 (1.1, 4.9)
Septic tank vs. municipal drainage 33/69 (49) 39/120 (33) 2.0 (1.0, 3.8)
Any animals in household 53/69 (77) 74/120 (62) 2.1 (1.0, 4.3)
Dog 38/69 (55) 47/120 (39) 1.9 (1.0, 3.7)
Chickens 35/69 (51) 40/120 (33) 2.1 (1.1, 4.0)
Other poultry or birds 22/69 (32) 20/120 (17) 2.3 (1.1, 5.0)
Any poultry or birds 40/69 (58) 49/120 (41) 2.0 (1.1, 3.6)

an represents the number positive for Cyclospora.
bN represents the number of specimens in each category.
cHigh-risk water sources defined as public standpipe, well, spring, water truck. Low-risk defined as municipal water piped into house or commercial bottled water.
dUntreated water defined as water that was not commercially bottled and had not been boiled, chlorinated, or filtered before drinking.
eIn the last 2 weeks.

Main Article

Top of Page

USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO