Table 4.

ANCOVA of BDI-II (End).

Source	Mean square	F	Significance	${\mathrm{\eta }}_{\mathrm{p}}^{\mathrm{2}}$
Treatment group	456.43	6.30	0.02	0.23
Type of diagnosis	100.91	13.44	0.24	0.95
Age	89.68	1.22	0.28	0.06
Total number of days in treatment	50.75	0.69	0.42	0.03
BDI-II (Beginning)	650.58	8.85	0.01	0.30
Treatment group∗age	470.47	6.40	0.02	0.23
Treatment group∗total number of days in treatment	291.36	3.96	0.06	0.16
Treatment group∗type of diagnosis	8.67	0.12	0.74	0.01

N = 30.