Table 1.

Group characteristics.

	Group and time point										AN1 vs. HC1	AN3 vs. HC3	AN1 vs. AN3
	AN1 (n = 24)		AN2 (n = 26)		AN3 (n = 26)		HC1 (n = 30)		HC3 (n = 30)
	M	SD	M	SD	M	SD	M	SD	M	SD	p	p	p
Age	22.25	4.08	–	–	–	–	24.15	3.42	–	–	0.075	–	–
Age of illness onset	16.70	3.08	–	–	–	–	–	–	–	–	–	–	–
Duration of illness	5.59	4.30	–	–	–	–	–	–	–	–	–	–	–
Education	13.30a	2.53	–	–	–	–	14.69b	4.68	–	–	0.180	–	–
BMI (kg/m2)	14.25	1.08	16.55	0.68	18.41c	0.45	20.81	1.77	20.38	1.56	<0.001	<0.001	<0.001
BMI increase per week	–	–	0.24	0.07	0.10	0.04	–	–	−0.01	0.04	–	<0.001	–
Time after TP1 (weeks)	–	–	9.16	4.16	22.04	16.26	–	–	25.91	8.66	–	0.283	–
EDE-Q total	3.19	1.26	1.98	1.11	1.57a	1.01	0.64b	0.58	0.55d	0.57	<0.001	<0.001	<0.001
EDE-Q eating concern	3.16	1.33	1.84	1.15	1.41a	1.11	0.43b	0.56	0.41d	0.56	<0.001	<0.001	<0.001
EDE-Q restraint	3.29	1.82	1.33	1.24	1.10a	0.81	0.48b	0.60	0.28d	0.39	<0.001	<0.001	<0.001
EDE-Q shape concern	3.47	1.22	2.85	1.57	2.27a	1.50	0.91b	0.88	0.84d	0.76	<0.001	<0.001	<0.001
EDE-Q weight concern	2.84	1.21	1.90	1.10	1.50a	1.28	0.75b	0.75	0.67d	0.80	<0.001	0.012	<0.001
BDI	22.83	9.93	17.77	9.40	10.74a	7.93	3.48b	3.82	2.37d	2.51	<0.001	<0.001	<0.001
WMT	121.13	17.64	–	–	–	–	127.83	15.81	–	–	0.153	–	–
WST	105.26a	8.24	–	–	–	–	105.70	10.43	–	–	0.865	–	–

Age, age of illness onset, duration of illness, and education in years.

BMI body mass index, BDI Becks Depression Inventory total score (cut-off for clinical range ≤ 11⁶⁶), EDE-Q Eating Disorder Examination Questionnaire score (cut-off for clinical range ≥ 2.09⁶⁷), WMT Viennese Matrices Test, WST Multiple Choice Vocabulary Test.

^aData available only for AN = 23

^bHC = 29 subjects

^cBMI ≥ 18.5: n = 15.

^dHC = 27 subjects.