Table 2. Variables affecting the prevalence of GI parasites.

Variables	Estimate (β)	Std. error	t value	Pr(>|t|)
Ancyclostoma duodenale
(Intercept)	−9.94E−01	6.25E−01	−1.59	0.11302
Entamoeba histolytica
Intercept	−3.754857	0.97374	−3.86	0.00012
Herding station	−0.000597	0.000168	−3.55	0.00039
Aspect	0.013955	0.00421	3.315	0.00092
Slope	0.073975	0.027849	2.656	0.0079
Aspect:slope	−0.000319	0.000133	2.391	0.01679
Ascaris lumbricoides
(Intercept)	1.386668	0.514031	2.698	0.00751
Settlement	−0.001223	0.000414	−2.96	0.00345
Slope	−0.04097	0.020788	−1.97	0.04995
Strongyloides stercorallis
(Intercept)	−13.05	4.28	−3.05	0.00257
Elevation	0.002692	0.00135	1.995	0.04729
Taenia spp.
Intercept	0.1310452	0.7191754	(z value) 0.182	0.8554100