Table 2. Lowest AIC models for stepwise binomial logistic regression.

	All Time Periods		Pre-1970s
Predictors	Odds Ratios	p	Odds Ratios	p
(Intercept)	0.11	<0.001	0.31	<0.001
ppt	1.63	<0.001	1.15	0.111
tmean	1.57	<0.001
HFP 2009	5.57	0.001	3.43	0.003
croplands 2005	0.81	0.086	0.82	0.134
Built 2009	0.26	<0.001	0.37	0.011
Popdensity 2010	0.62	0.009
Roads	0.48	0.016	0.66	0.087
Railways	0.71	0.034	0.76	0.041
distwater			1.19	0.108
Pasture 2009			0.84	0.135
AIC	783.788		564.465