Table 3.

Final models of multivariate analysis of factors associated with reported dengue illness in the last 12 months in household members

Variable	Crude OR	adjusted OR	95%CIca
a) Acapulco region, N = 19,008, Clustered by site, n = 30
Younger than 25 years	2.09	2.23	1.67–2.98
Working household head	1.57	1.40	1.03–1.89
Household head with ≥6 years of education	1.53	1.25	1.02–1.54
<5 people in household	1.45	1.59	1.25–2.02
Household uses anti-mosquito products	1.35	1.33	1.06–1.66
Urban residence	1.54	1.54	1.07–2.22
b) Costa Grande and Costa Chica regions; N = 35,461; Clustered by site, n = 60
Female	1.27	1.28	1.04–1.57
Working household head	1.45	1.54	1.11–2.12
<5 people in household	1.50	1.53	1.14–2.05
Household uses anti-mosquito products	1.69	1.68	1.22–2.32

For Acapulco region, other variables included in initial model were: sex, type of dwelling, presence of temephos, language, and presence of containers with larvae/pupae

For Costa Grande and Costa Chica regions, other variables included in initial model were: age, area of residence, type of dwelling, presence of temephos, education of household head, language, and presence of containers with larvae/pupae