Environmental Epidemiology of Intestinal Schistosomiasis in Uganda: Population Dynamics of Biomphalaria (Gastropoda: Planorbidae) in Lake Albert and Lake Victoria with Observations on Natural Infections with Digenetic Trematodes

Table 5

Generalized linear model (GLM) of Biomphalaria shedding S. mansoni cercaria with physicochemical factors of water and Biomphalaria population density along Lake Albert and Lake Victoria.

	Coefficient		[95% confidence interval, CI95]
L. Albert
Biomphalaria population	0.01	0.01	0.002, 0.014
Conductivity	−0.002	0.050	−0.003, −0.001
Temperature	0.07	0.02	0.011, 0.123
Lake Victoria
pH	−0.22	0.05	−0.440, −0.003
Temperature	0.07	0.03	0.008, 0.130
Wave action (ref. calm)
Slight	0.68	0.03	0.076, 1.278