Table 3.

Multivariate logistic regression describing risk factors for Triatoma infestans infestation in habitats along a transect of Arequipa, Peru, 2010–2011. Details of the principal components are shown in figure 3.

	coefficient	s.e.	Pr(>|W|)
principal component 1	0.52089	0.03123	<2 × 10 −16***
principal component 2	0.08798	0.02938	0.002747**
principal component 3	0.14317	0.03957	0.000296***
invasion	−39.90747	0.12496	<2 × 10−16***
pueblo joven	−0.15432	0.12349	0.211428

**p < 0.01, ***p < 0.001.