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Volume 20, Number 3—March 2014

IgG Against Dengue Virus in Healthy Blood Donors, Zanzibar, Tanzania

Francesco VairoComments to Author , Emanuele Nicastri, Salma Masauni Yussuf, Angela Cannas, Silvia Meschi, Mwanakheir AA Mahmoud, Azza H. Mohamed, Paul Mohamed Maiko, Pasquale De Nardo, Nazario Bevilacqua, Concetta Castilletti, Antonino Di Caro, Vincenzo Racalbuto, and Giuseppe Ippolito
Author affiliations: “L. Spallanzani” National Institute for Infectious Diseases, Rome, Italy (F. Vairo, E. Nicastri, A. Cannas, S. Meschi, P. De Nardo, N. Bevilacqua, C. Castilletti, A. Di Caro, G. Ippolito); Directorate General of Development Cooperation, Rome (F. Vairo, V. Racalbuto); Ministry of Health, Unguja, Zanzibar, Tanzania (M.A.A. Mahmoud, A.H. Mohamed, S.M. Yussuf); Mnazi Mmoja Hospital, Unguja, Tanzania (P.M. Maiko)

Main Article

Table 2

Multivariable logistic regression model of odds of having IgG against dengue virus, Zanzibar, 2011*

Covariate† Adjusted OR (95% CI) p value
Age, for 5 y increase‡
1.42 (1.27–1.61)
Water storage§
Yes 1
1.66 (0.99–2.76)
Area of living
Rural 1
Urban 4.09 (2.72–6.17) <0.001

*OR, odds ratio.
†Also adjusted for sex, resting water.
‡Age, for 5-y increase is defined as the OR for every 5 years of increase.
§Water storage is defined as any container used to collect rain water with no mention of the size and type of container.

Main Article

Page created: February 19, 2014
Page updated: February 19, 2014
Page reviewed: February 19, 2014
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