Volume 20, Number 3—March 2014
Dispatch
IgG Against Dengue Virus in Healthy Blood Donors, Zanzibar, Tanzania
Francesco Vairo
, 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
, 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
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) |
<0.001 |
| Water storage§ | ||
| Yes | 1 | |
| No |
1.66 (0.99–2.76) |
0.053 |
| 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.
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