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Volume 16, Number 5—May 2010

Dispatch

Schistosomiasis among Recreational Users of Upper Nile River, Uganda, 2007

Oliver W. MorganComments to Author , Gary Brunette, Bryan K. Kapella, Isabel McAuliffe, Edward Katongole-Mbidde, Wenkai Li, Nina Marano, Sam Okware, Sonja J. Olsen, W. Evan Secor, Jordan W. Tappero, Patricia P. Wilkins, and Susan P. Montgomery
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (O.W. Morgan, G. Brunette, B.K. Kapella, I. McAuliffe, W. Li, N. Marano, S.J. Olsen, W.E. Secor, J.W. Tappero, P.P. Wilkins, S.P. Montgomery); Ugandan Virus Research Institute, Entebbe, Uganda (E. Katongole-Mbidde); Ministry of Health, Kampala, Uganda (S. Okware)

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Table 1

Characteristics of 113 recreational users of the upper Nile River who participated in a study to determine risk for schistosome infection, were eligible for study follow-up, and provided 1 or 2 blood samples, Uganda, 2007*

Characteristic
Provided 1 blood sample, 
no. (%), n = 44
Provided 2 blood samples, no. (%), n = 69
p value†
Male sex 14 (32) 34 (50) 0.03
Main reason for being at the Nile
Rafter 20 (45) 32 (46) 0.4
Spectator at the competition 12 (27) 18 (26)
Kayak competitor 9 (21) 8 (12)
Other
3 (7)
11 (16)

Region of residence
Africa 6 (14) 16 (23) 0.6
Americas 12 (27) 16 (23)
Europe 15 (34) 17 (25)
Australasia 7 (16) 12 (17)
None given 4 (9) 8 (12)

*Median ages (ranges) of study participants were as follows: 1 blood sample provided: 25 y (18–41 y); 2 blood samples provided, 29 y (16–67 y); p = 0.005.
†p values estimated by using the Mann-Whitney test for age and a χ2 test for all other variables.

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