Fig. 1

Sigmoidal curves showing individual contribution of demographic and hematological factors as independent predictors of DENV infection, based on parameters of logistic regression in Table 2. Horizontal bars represent the entire dataset (with associated 95 % confidence intervals). Subsets (see text) are s1 = squares, s2 = diamonds, s3 = triangles, s4 = circles. Variable codes as in Table 1