Table 1.

Demographic and clinical variables. Values indicate mean (std. deviation), range, and median [interquartile range] for each variable as appropriate. Statistical comparisons were performed using Mann-Whitney U test.

	Control (CW) n=10*	REC AN n=12	p
Age	26.7 (5.4) range 21-41	28.7 (7.9) range 19-40	0.50
BMI	22.0 (1.1) range 21-24	21.2 (1.5) range 19-24	0.18
Trait anxiety*	23.8 (3.5) range 20-29* 22 [20.5, 27.5]	27.9 (8.3) range 21-48 24.5 [22.0, 33.5]	0.18
Harm avoidance*	4.5 (3.5) range 0-10* 4.0 [1.3, 7.8]	10.3 (5.9) range 2-23 9.5 [5.5, 14.0]	0.02
Age of onset		15.5 (3.1) range 12-21 14.5 [13, 18.75]
Duration of illness (months)		68 (62.5) range 12-240 48 [32, 176]
Low BMI		15.0 (1.7) range 11-17 15.5 [14.4, 16.2]

^*Note: for Trait Anxiety, Control n =9 and for Harm avoidance, Control n=8.