Table 2.

Effect of season, habitat type, climatic, water physicochemical properties, and non-intermediate host snails for schistosomiasis on the abundance of B. globosus and B. pfeifferi snails.

Snail species	Variables	Estimates	Confidence Interval	Pr >|z|
B. globosus	Intercept	− 8.321	− 14.964 to − 1.948	0.010
	Hot/dry	− 5.073	− 8.568 to − 1.579	0.004
	Post-rainy	− 0.449	− 3.233 to 2.335	0.752
	Rainy	− 2.375	− 7.384 to 2.634	0.353
	Stream	3.541	0.544 to 6.538	0.021
	Rainfall	0.017	− 0.003 to 0.039	0.102
	MinTemp	0.147	− 0.304 to 0.598	0.524
	MaxTemp	− 0.022	− 0.088 to 0.044	0.520
	DO	− 0.095	− 0.281 to 0.091	0.318
	pH	0.193	− 0.047 to 0.434	0.115
	T. granifera	− 0.0007	− 0.007 to 0.006	0.822
	L. natalensis	0.033	− 0.002 to 0.068	0.067
	P. acuta	− 0.013	− 0.060 to 0.034	0.577
	B. tropicus	− 0.022	− 0.051 to 0.007	0.143
	Bivalves	0.002	− 0.017 to 0.021	0.827
B. pfeifferi	Intercept	− 13.022	− 36.372 to 10.328	0.274
	Hot/dry	− 4.129	− 8.384 to 0.125	0.057
	Post-rainy	− 2.538	− 5.855 to 0.779	0.134
	Rainy	− 5.030	− 12.446 to 2.386	0.184
	Rainfall	− 0.002	− 0.046 to 0.042	0.918
	MinTemp	0.255	− 0.016 to 0.526	0.065
	MaxTemp	0.481	− 0.427 to 1.389	0.299
	DO	− 0.235	− 0.549 to 0.079	0.143
	pH	0.675	0.177 to 1.173	0.008
	T. granifera	− 0.004	− 0.009 to 0.002	0.212
	L. natalensis	0.018	− 0.008 to 0.045	0.187
	P. acuta	− 0.229	− 0.399 to − 0.059	0.001
	B. tropicus	0.001	− 0.023 to 0.026	0.920

Significant p-value (p-value < 0.05) are in bold.