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Table 2 Comparison of psychological assessments and BMI among depressed eating disorder patients with or without lifetime hypomania/mania episodes

From: Comparison of associated features and drug treatment between co-occurring unipolar and bipolar disorders in depressed eating disorder patients

Variables Eating disorders with MDD Eating disorders with bipolar II disorder Eating disorders with bipolar I disorder 2 vs. 1 3 vs. 1 3 vs. 2
(1) (2) (3)
(n = 133) (n = 55) (n = 39)
Mean ± SD Mean ± SD Mean ± SD P-value P-value P-value
Intelligence quotient 101.2 ± 13.7 100.9 ± 12.7 93.0 ± 14.6 0.6897 0.0085 0.0070
Working memory 54.9 ± 26.5 54.6 ± 29.2 36.4 ± 27.7 0.8742 0.0003 0.0026
Bulimic Investigatory Test Edinburgh 29.7 ± 11.6 31.8 ± 9.1 30.4 ± 11.7 0.0695 0.3315 0.4221
 Symptom subscale 20.4 ± 6.4 21.3 ± 5.4 19.4 ± 6.3 0.2238 0.5335 0.0760
 Severity subscale 9.3 ± 6.6 10.5 ± 5.1 10.9 ± 7.3 0.0612 0.0334 0.7174
Body Shape Questionnaire-8 4.6 ± 1.2 4.9 ± 1.1 4.4 ± 1.3 0.0870 0.5152 0.0465
Beck Depression Inventory 26.2 ± 10.6 26.8 ± 8.8 31.7 ± 9.5 0.9275 0.0079 0.0125
Affective Lability Scale 48.3 ± 8.7 51.6 ± 7.9 56.7 ± 8.6 0.0410 <0.0001 0.0039
Barrett Impulsiveness Scale 58.5 ± 6.0 61.6 ± 6.9 62.4 ± 6.9 0.0018 0.0006 0.5505
BMI, current (kg/m2) 20.3 ± 4.8 23.5 ± 5.5 23.6 ± 6.2 0.0488 0.0430 0.8204
BMI, maximal (kg/m2) 23.8 ± 5.1 26.8 ± 6.4 25.7 ± 5.4 0.0243 0.4736 0.3549
BMI, minimal (kg/m2) 17.0 ± 3.2 18.7 ± 2.9 18.5 ± 3.8 0.2187 0.3413 0.8838
  1. Values in bold type indicated statistically significant
  2. MDD major depressive disorder, BMI Body mass index
  3. adjusted for age, gender, and eating disorder subtypes