Table 1.

Results of group comparisons of descriptive data using dependent sample and independent sample t-tests, reporting mean (M), standard deviation (SD), t values and statistical significance (p). Frequency-food/hygiene is the total amount of reported food/hygiene habits divided by the total amount of answered prompts over the duration of seven days. N = 12 (27.27 %) of patients with AN were of the binge-eating/purging subtype. AN_TP1=patients with acute anorexia nervosa, AN_TP2=patients with AN after weight restoration program, BMI=body mass index, BMI-SDS=body mass index standard deviation score, BDI-II=Beck Depression Inventory II, compliance=percentage of answered prompts with a possible total of 56, DOI=duration of illness in months, EDI-2=Eating Disorder Inventory 2, HC=healthy control, Log₁₀Leptin=log ₁₀ leptin in ng/ml with imputed values for leptin below detection limit of the assay (see Supplementary Material 1.5. Statistical Analysis), ZWIK=“Zwangsinventar für Kinder und Jugendliche” total score and washing compulsion (WC subscale).

	AN_TP1		AN_TP2		HC		AN_TP1 vs. AN_TP2		AN_TP2 vs. HC
	M	SD	M	SD	M	SD	t	p	t	p
Age	15.44	1.47	15.72	1.57	15.65	1.70	−19.64	<0.001	0.21	0.835
BMI-SDS	−3.28	1.07	−0.60	0.49	0.01	0.65	−19.72	<0.001	−5.00	<0.001
Log10Leptin	1.40	2.16	13.03	6.72	11.89	8.15	−11.89	<0.001	0.69	0.491
EDI-2	217.38	40.80	222.66	45.15	138.36	29.11	−0.80	0.431	10.15	<0.001
BDI-II	25.79	10.14	21.38	12.07	5.95	5.46	2.44	0.019	7.57	<0.001
DOI	9.53	8.04
ZWIK-total	49.96	18.14	50.99	20.52	42.08	12.01	−1.02	0.315	2.40	0.020
ZWIK-WC	14.65	5.45	15.46	6.93	12.74	5.54	−1.07	0.292	2.00	0.049
Compliance (%)	0.85	0.14	0.85	0.16	0.75	0.17	0.26	0.800	2.74	0.008