8 ). Multivariate logistic regression model Of the 16 tested variables (Table 3 ), only an urban setting ( p value < 0.001, OR = 67.646) and density of dogs ( p value = 0.037, OR = 1.944) and cattle ( p value = 0.007, OR = 1.203) were significant explanatory variables whilst irrigated farms were borderline significant and there were trends for dry farmlands and humidity.
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Environmental, climatic and host population risk factors of human cystic echinococcosis in southwest of Iran.
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Humidity was a significant factor in the univariate model and showed a strong trend for CE occurrence in the multivariate model and results in increased soil moisture, especially in winter, and this greatly increases the chances of egg survival and therefore, transmission of infection to intermediate hosts and human [ 46 ].