Risk Factors Associated with Dengue Transmission and Spatial Distribution of High Seroprevalence in Schoolchildren from the Urban Area of Medellin, Colombia

Table 3

Multivariate logistic regression for DENV IgG seroprevalence in the studied schoolchildren population in 2010–2012 from Medellin.

	2010			2011			2012
	aOR	95% CI	value	aOR	95% CI	value	aOR	95% CI	value
Gender
Female	1.03	0.84–1.25	0.770	—	—	—	1.38	1.01–1.89	0.043
Age group (years)
5 to 9	Ref.	—	—	Ref.	—	—	Ref.	—	—
10 to 14	2.96	2.38–3.68	<0.001	1.90	1.51–2.40	<0.001	2.32	1.62–3.31	<0.001
15 to 19	3.71	2.70–5.09	<0.001	2.59	1.94–3.46	<0.001	1.97	1.20–3.24	0.008
Socioeconomic status
Low	Ref.	—	—	Ref.	—	—
Middle	0.70	0.57–0.86	0.001	0.86	0.71–1.05	0.150
High	0.59	0.39–0.87	0.009	0.91	0.59–1.39	0.663

aOR: adjusted odds ratio.