Table 3.

Output of the logistic regression model to predict the occurrence of infected snails.

Variable	Estimate	Std. Error	z Value	Pr (>|z|)
Dissolved oxygen	−0.29322	0.11558	−2.537	0.0112 *
BOD5	0.011696	0.005558	2.104	0.0354 *

* Significant association (p < 0.05).