Table 1.

Demographic and Illness Characteristics of the Sample

	Participants with A History of Anorexia Nervosa			Typically Developing Controls
Demographic Variables	n	Mean	SD	n	Mean	SD	|Z|	Pr > |Z|
Age z-score	21	0.23	0.76	20	0.16	0.86	0.26	0.80
Age in Years	21	17.48	1.72	20	17.40	1.85	0.50	0.99
	n	%		n	%
Asian	2	8.70		1	4.55
Black	1	4.35		4	18.18
Other	1	4.35		2	9.09
White	19	82.61		15	68.18

Stage/Severity of Illness	N	Mean	SD	N	Mean	SD	|Z|	Pr > |Z|
BMI z-score	21	−0.35	0.93	20	0.02	0.84	1.21	0.23
BMI (kg/m2)	21	20.01	2.61	20	21.34	3.00	1.47	0.15
Body Dissatisfactiona	21	15.15	7.31	17	5.47	5.39	−3.55	0.001
Drive for Thinnessa	21	15.40	7.85	17	4.82	6.07	−3.54	0.001
Bulimia	20	3.70	5.32	17	1.59	1.70	−0.81	0.42
Age of onset	21	13.78	1.76	n/a	n/a	n/a	n/a	n/a
Duration of Illnessb	20	3.14	2.03	n/a	n/a	n/a	n/a	n/a
Length of Weight Restorationb	21	3.33	2.59	n/a	n/a	n/a	n/a	n/a

Length of Weight Restoration by Categoryc (n=21)	n	%
Unhealthy weight	5	24
Less than 3 months	1	4.8
3–6 months	6	28.6
7–9 months	1	4.8
10–12 months	0	0
Over a year	2	9.5
1–2 years	1	4.8
More than 2 years	5	23.8

Drive for Thinness Classification (weight-restored group, n = 16)	n	%
Clinical Range	10	63
Normative Range	5	31
Missing	1	6

	n	Mean	Std
Lowest BMI while Ill	21	15.19	2.53

Group Membership	n	% of group
Current AN	5	23.81
Weight-Restored AN	16	76.12
History of purging	3	21.74

Model Covariates	Control (n)	% of group	AN (n)	% of group
Left-handed	1	5	4	24
Psychotropic Medication	0	0	14	67

Notes:

^a: Subscale Scores from the Eating Disorder Inventory, 3rd Edition;

^b: Number and proportion of years;

^c: At time of intake interview.