Mayaro virus seroprevalence in a rural Amazonian settlement: descriptive and bivariate null hypothesis-testing statistics.

⊕: seropositive; OR: unadjusted odds ratio; 95%CI: 95% confidence interval; d.f.: degrees of freedom; FET: Fisher's exact test; LR: likelihood-ratio test. Variable names and p-values in bold typeface indicate covariates that entered the saturated model used as the starting point in backward step-wise regression; see text for details.