. Author manuscript; available in PMC: 2011 Jan 1.

Published in final edited form as: Behav Res Ther. 2009 Sep 25;48(1):60–67. doi: 10.1016/j.brat.2009.09.009

Table 2.

Descriptive statistics for the original (GAN)^* and validation (AN Trios)^** sample^***

	GAN (N=262)		AN Trios (N=383)		Results
Variable	Mean (SD)		Mean (SD)		Χ² (p-value)
Age (years)	25.3 (8.1)		25.0 (6.7)		0.09 (0.77)
Age at Eating Disorder Onset (years)	16.2 (3.1)		14.5 (3.2)		38.64 (<0.001)
Lowest BMI (kg/m²)	14.2 (2.0)		13.7 (1.9)		10.43 (0.002)
Lowest Calorie Intake (kcal/day)	533.3 (390.7)		458.1 (320.9)		6.17 (0.02)
Childhood Anxiety Scale	6.7 (6.0)		8.3 (5.7)		0.15 (0.70)
	No	Yes	No	Yes	Χ² (p-value)
	N (%)	N (%)	N (%)	N (%)
Qualitative Food Restriction	139 (53.0)	123 (47.0)	210 (54.8)	173 (45.2)	0.07 (0.80)
Excessive Exercise	154 (58.8)	108 (41.2)	183 (47.8)	200 (52.2)	7.62 (0.006)
Currently Ill	68 (26.0)	194 (74.0)	87 (22.7)	296 (77.3)	0.87 (0.36)
Restricting Anorexia Nervosa	152 (58.0)	110 (42.0)	193 (50.4)	190 (49.6)	3.64 (0.06)

Genetics of Anorexia Nervosa (GAN)

^**

Price Foundation Anorexia Nervosa Trios Study (AN Trios)

^***

p-values are not FDR corrected