Table 4.

Number of “Objective Bulimic Episode Days” as a linear predictor of health-care costs, gamma regressions

Independent Variables	Dependent Variables (2006 US $)
	Weight- and Eating Disorder -related costs		Mental Health-related costs		Other Provider- based costs		Mental Health medication costs		Total medication costs		Total costs
	Coef.	p	Coef.	p	Coef.	p	Coef.	p	Coef.	p	Coef.	p
OBE Days	0.072	.052	−0.038	.379	−0.015	.498	−0.015	.646	−0.026	.246	−0.017	.313
Age	0.121	.041	0.011	.723	0.033	.042	0.043	.064	0.054	.001	0.032	.011
BMI	−0.011	.811	0.030	.540	−0.011	.679	0.082	.010	0.080	.000	0.017	.431
BDI1	0.016	.587	0.047	.305	0.041	.063	0.012	.690	0.030	.187	0.039	.031
Constant	4.232	.000	5.875	.000	7.567	.000	5.719	.000	6.571	.000	8.062	.000

¹Two participants did not have complete BDI data (one in the BED group, the other in the RBE group).