Table 2.

Summary of estimated logistic regression models.

Model	AIC	χ2	Δdf	p	Cox-Snell R2
DTK	56.79	18.99	1	<0.0001	0.31
MSF	50.50	31.28	4	<0.0001	0.45
FMC	42.34	37.43	3	<0.0001	0.51
FF + DTK	25.54	52.24	2	<0.0001	0.63

Note: AIC: Akaike Information Criterion; Δdf: difference between the df of the i-th model with the df of the null model.