Spatial modeling using mixed models: an ecologic study of visceral leishmaniasis in Teresina, Piauí State, Brazil
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چکیده
منابع مشابه
Spatial modeling using mixed models: an ecologic study of visceral leishmaniasis in Teresina, Piauí State, Brazil Modelagem espacial utilizando modelos mistos: um estudo ecológico sobre leishmaniose visceral em Teresina, Piauí, Brasil
Most ecologic studies use geographical areas as units of observation. Because data from areas close to one another tend to be more alike than those from distant areas, estimation of effect size and confidence intervals should consider spatial autocorrelation of measurements. In this report we demonstrate a method for modeling spatial autocorrelation within a mixed model framework, using data on...
متن کاملParticipation of Ticks in the Infectious Cycle of Canine Visceral Leishmaniasis, in Teresina, Piauí, Brazil
In this study, we detected Leishmania spp. infection in R. sanguineus collected from dogs that were naturally infected with L. (L.) infantum. We examined 35 dogs of both sexes and unknown ages. The infected dogs were serologically positive by the immunofluorescence antibody test (IFAT), enzyme-linked immunosorbent assay (ELISA), and Quick Test-DPP (Dual Path Platform), as well as parasitologica...
متن کامل[Histories of induced abortion among adolescents from Teresina in the State of Piauí, Brazil].
This paper analyses the methods, techniques and support networks taken by adolescents to perform illegal abortions. It is a descriptive and cross-sectional study involving interviews with 30 adolescents who had been hospitalized for uterine curettage in two public hospitals in Teresina between June and November 2011. Informed consent was given orally, and the interviews were recorded after the ...
متن کامل[Natural infection of Lutzomyia longipalpis by Leishmania sp. in Teresina, Piauí State, Brazil].
In Brazil, control of the vector Lutzomyia longipalpis is one of the main strategies used to limit the expansion of American visceral leishmaniasis. However, studies on the ecology of this sand fly are rare, especially regarding its natural infection with species of Leishmania. A study of the natural infection of Lu. longipalpis by Leishmania sp. was carried out in the Bela Vista neighborhood i...
متن کاملMultilevel modelling of the incidence of visceral leishmaniasis in Teresina, Brazil.
Epidemics of visceral leishmaniasis (VL) in major Brazilian cities are new phenomena since 1980. As determinants of transmission in urban settings probably operate at different geographic scales, and information is not available for each scale, a multilevel approach was used to examine the effect of canine infection and environmental and socio-economic factors on the spatial variability of inci...
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ژورنال
عنوان ژورنال: Cadernos de Saúde Pública
سال: 2002
ISSN: 0102-311X
DOI: 10.1590/s0102-311x2002000300007