Table 4.

Backward logistic regression analysis of factors associated with Fasciola hepatica exposure

Characteristic		Odds ratio	95% Confidence interval	P value
District	Ancahuasi	Reference
	Anta	2.34	0.99–5.51	0.051
	Zurite	2.43	1.03–5.74	0.043
Age (years)		1.05	1.01–1.10	0.014
> 34.4% Probability of living in poverty*		1.63	1.14–2.31	0.006

Independent variables entered in the model: district, age, gender, history of treatment of malnutrition, years of education for the father, years of education for the mother, > 34.4% probability of living in poverty, construction material of the home, stunting, anemia, elevation of the house, and drinking water from irrigation channel. Wald = 68.29 P < 0.001. Hosmer and Lemeshow test: χ² = 10.4, df: 8, P = 0.23.

^*According to the simple poverty scorecard probabilities of living with less than US$3.25 a day.