Table 2.

Covariates and their association with successful human-to-mosquito abdomen infection by DENV-1 or DENV-2 in multivariable regression analysis

Variable	OR (95% CI)	P
Day of illness (+1 d)	0.60 (0.46–0.80)	0.0005
Viremia (+1 log10-copies/mL)	2.97 (2.29–3.86)	<0.0001
Serotype DENV-2 (vs. DENV-1)	0.80 (0.44–1.44)	0.46
Serology
Secondary (vs. primary)	0.94 (0.52–1.70)	0.83
Indeterminate (vs. primary)	1.86 (0.78–4.41)	0.16
Antirecombinant DIII IgG titer (twofold increase)	0.88 (0.78–0.99)	0.03
IgM units (twofold increase)	0.66 (0.53–0.82)	0.0002