Table 3.

Changes in body mass index and psychological variables from admission to 6-month follow-up in short-term and long-term ill patients with anorexia nervosa.

	Group	Admission		6-Month follow-up		Within-group		Between group
		Mean	SD	Mean	SD	F	Sig	F	Sig
BMIa	Short-term	16.30	1.98	18.92	2.24	129.842	<0.001	0.084	0.773
	Long-term	16.09	2.21	19.03	2.54
Drive for thinnessb	Short-term	12.20	7.28	9.92	6.66	21.441	<0.001	0.052	0.821
	Long-term	13.06	6.60	9.60	7.13
Body dissatisfactionb	Short-term	14.53	8.20	14.73	8.42	4.298	0.041	0.006	0.938
	Long-term	16.89	8.19	14.57	8.09
Bulimiab	Short-term	3.49	4.75	2.06	2.85	4.153	0.045	0.001	0.979
	Long-term	3.26	4.91	2.09	4.27
Depressionc	Short-term	25.05	12.49	20.62	12.29	12.739	0.001	0.264	0.612
	Long-term	31.57	12.64	18.86	15.62

^aBMI = body mass index, kg/m².

^bDrive for Thinness, Body Dissatisfaction and Bulimia subscales of the Eating Disorders Inventory-2.

^cDepression, Beck Depression Inventory, total score.