“Where we put little fish in the water there are no mosquitoes:” a cross-sectional study on biological control of the Aedes aegypti vector in 90 coastal-region communities of Guerrero, Mexico

Table 5 Multivariate model (GLMM) of factors associated with reported dengue illness in household members during the previous year

Variable	OR	95% CI
Fish present in at least one container	0.79	0.64–0.97
Living in a rural area	0.74	0.65–0.84
Household head 6 years primary education or higher	1.28	1.07–1.52
Less than five people in the household	1.33	1.16–1.52
Insecticide use by the household	1.68	1.47–1.92

The initial saturated model also included: belonging to the Oportunidades^* programme, households with temephos (less than 2 months old) in at least one container, household positivity for pupae/larvae, and age < 30 years.
^* Oportunidades, now called Prospera, is a Mexican government programme of cash transfers to mothers to encourage them to send their children to school and to health centres.

ISSN: 1471-2458