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Table 1 Demographic and clinical features for AN, RecAN and HC participants

From: Emotional facial expression in women recovered from anorexia nervosa

  AN (n=49) M (SD) RecAN (n=21) M (SD) HC (n=53) M (SD) Test statistic p value Post hoc difference Cohen’s d ES
Age 25.9 (6.8) 28.4 (8.7) 26.4 (8.4) X2 = 1.3 n/s p>0.01 n/a
NART 109.2(8.1) 112.4 (7.5) 113.7(5.9) F = 10.5 n/s AN=HC 0.91
AN=RecAN 0.66
RecAN=HC 0.20
BMI 14.7 (1.9) 21.0 (2.2) 21.6 (1.6) F =01.5 <.001 AN<HC** 3.92
AN<RecAN** 3.06
RecAN=HC 0.31
Illness length 10.1 (6.3) 5.5 (3.5) n/a U=204.5 <.001 AN>RecAN** 0.90
Lowest BMI 14.4 (2.8)b 13.6 (2.1)c n/a U=142.0 n/s p>0.01 n/a
aEDE-Q 3.8 (1.7) 1.5 (1.0) 0.6 (0.6) X2=64.5 <.001 AN>HC** 2.51
AN>RecAN** 1.64
RecAN>HC* 1.09
aDASS anxiety 21.4(10.9) 5.7 (6.5) 2.2 (3.2) X2=66.0 <.001 AN>HC** 2.39
AN>RecAN** 1.74
RecAN>HC* 0.68
aDASS depression 27.2(11.3) 8.4 (7.7) 2.4 (2.6) X2=72.9 <.001 AN>HC** 3.02
AN>RecAN** 2.00
RecAN>HC* 1.04
  1. M=Means; SD=standard deviation; AN = anorexia nervosa; RecAN = recovered AN; HC = healthy controls; NART National Adult Reading Test; BMI Body Mass Index; EDE-Q Eating Disorders Examination; DASS Depression, Anxiety and Stress Scale – HC were excluded if scoring above 9 for depression and 7 for anxiety; ES = Effect Size; U = Mann Whitney U Test; X2 = Kruskal Wallis Test F = Analysis of Variance Test a = 6 AN missing, 3 HC missing; b= 23 missing, c= 8 missing; *comparison significant at p<0.01 level; **comparison significant at p<0.001 level, ns = non-significant.