Table 1.

Fit statistics for proposed, nested, and alternate models

	Men				Women
	L2	df	BIC	L2 holdout	L2	df	BIC	L2 holdout
One-class model
Linear	394,182	658	385,686	55,473	658,900	1,121	643,747	111,325
Quadratic	343,782	652	335,363	48,188	547,755	1,115	532,683	92,173
Cubic	342,704	646	334,363	47,929	547,644	1,109	532,653	91,237
Splines	341,783	646	333,442	47,708	544,956	1,109	529,965	90,609
Five-class model
Linear	347,897	502	341,415	48,381	575,977	965	562,933	96,426
Quadratic	321,296	472	315,201	44,790	525,351	935	512,712	88,157
Cubic	320,390	442	314,683	44,754	524,280	905	512,047	87,867
Splines	319,956	442	314,249	43,777	523,108	905	510,875	86,835
No. of users	696			181	1,159			318
No. of observations	405,249			56,900	742,250			121,357