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Volume 12, Number 9—September 2006
Research

Periurban Trypanosoma cruzi–infected Triatoma infestans, Arequipa, Peru

Michael Z. Levy*†‡Comments to Author , Natalie M. Bowman‡, Vivian Kawai‡, Lance A. Waller†, Juan Cornejo del Carpio§, Eleazar Cordova Benzaquen¶, Robert H. Gilman‡#, and Caryn Bern*
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †Emory University, Atlanta, Georgia, USA; ‡Asociación Benéfica Proyectos en Informática, Salud, Medicina y Agricultura, Lima, Peru; §Dirección Regional del Ministerio de Salud, Arequipa, Peru; ¶Universidad Nacional San Agustín, Arequipa, Peru; #Johns Hopkins University, Baltimore, Maryland, USA

Main Article

Table 3

Risk factors for Triatoma infestans in rooms of human dwellings in a periurban community of Arequipa, Peru*

Risk factor % of rooms
(N = 1,424) Univariate analysis†
 Multivariate logistic regression†
OR (95% CI) p value Adjusted OR (95% CI) p value
Host
No. persons sleeping in room <0.001‡ 1.63 (1.48–1.79) <0.001
Animal sleeping in room 5.1 2.79 <0.001 1.90 (1.10–3.28) 0.021
Peridomestic infestation
Guinea pig enclosure 9.1 1.70 (1.07–2.63) 0.014 2.23 (1.30–3.82) 0.004
Yard 11.7 1.41 (0.92–2.12) 0.09 2.10 (1.27–3.46) 0.004
Sheep enclosure§ 5.3 2.29 (1.31–3.90) 0.001
Material
Mortared brick 19.0 2.39 (1.73–3.30) <0.001 1.76 (1.15–2.71) 0.01
Mortared sillar 20.2 2.00 (1.44–2.76) <0.001 1.60 (1.04–2.47) 0.033
Fully stuccoed 41.7 0.25 (0.17–0.38) <0.001 0.27 (0.17–0.44) <0.001
Unmortared sillar§ 26.5 1.21 (0.81–1.78) 0.32
Insecticide use§ 43.8 0.91 (0.68–1.22) 0.53

*OR, odds ratio; CI, confidence interval.
†Models were fit with generalized estimating equations appropriate for repeated measures in households.
‡Kruskal-Wallis trend test for continuous variable.
§Dropped from the multivariate model.

Main Article

Page created: November 17, 2011
Page updated: November 17, 2011
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