BN (n = 84) | Suicidality + (n = 45) | Suicidality- (n = 39) | df z | t-test U-test χ2-test | p | d phi | ||
---|---|---|---|---|---|---|---|---|
Age of ED onset in years, Mdn (Q1,Q3) | 15.0 | (13.7,16.0) | 14.4 | (13.4,15.3) | -0.8 | 613.5 | 0.425 | 0.19 |
Duration of illness, month, M ± SD | 17.0 | ± 12.2 | 22.0 | ± 13.6 | 73 | 1.7 | 0.101 | 0.39 |
BMI percentiles at hospital admission, Mdn (Q1,Q3) | 36.0 | (18.3,77.8) | 46.0 | (22.3,64.8) | -0.5 | 659.0 | 0.636 | 0.11 |
Kgs < 1st BMI percentile, Mdn (Q1,Q3) | 0.0 | (0.0,0.0) | 0.0 | (0.0,0.0) | -0.9 | 688.0 | 0.394 | 0.04 |
Weight change in kg/week | 0.0 | (-0.3,0.2) | -0.0 | (-0.3,0.3) | -0.0 | 288.0 | 0.968 | 0.01 |
Psychiatric comorbidities, average number, Mdn (Q1,Q3) | 1.0 | (1.0,1.5) | 0.0 | (0.0) | -3.3 | 545.0 | 0.001 | 0.69 |
Psychiatric comorbidities, at least one, n (%) | 37 | (82.2) | 18 | (46.2) | 1 | 10.5 | 0.001 | 0.38 |
Substance abuse | 2 | (4.4) | 2 | (5.1) | 1 | 0.0 | 1.000 | 0.02 |
Affective disorders, at least one, n (%) | 23 | (51.1) | 11 | (28.2) | 1 | 4.6 | 0.033 | 0.23 |
Persistent affective disorder | 14 | (31.1) | 9 | (23.1) | 1 | 0.3 | 0.563 | 0.09 |
Depressive episode | 10 | (22.2) | 2 | (5.1) | 1 | 3.7 | 0.031 | 0.02 |
Recurrent depressive episode | 1 | (2.2) | 0 | (0.0) | 1 | 0.0 | 1.000 | 0.10 |
Anxiety disorders, at least one, n (%) | 1 | (2.2) | 0 | (0.0) | 1 | 0.0 | 1.000 | 0.10 |
Phobia | 1 | (3.8) | 0 | (0.0) | 1 | 0.0 | 0.464 | 0.12 |
Panic disorder | 0 | (0.0) | 1 | (3.3) | 1 | 0.0 | 1.000 | 0.10 |
Mixed anxiety and depression | 1 | (2.2) | 0 | (0.0) | 1 | 0.0 | 1.000 | 0.10 |
Obsessive–compulsive disorder | 2 | (4.4) | 0 | (0.0) | 1 | 0.4 | 0.497 | 0.15 |
Personality disorders traits, n (%) | 16 | (35.6) | 9 | (23.1) | 1 | 1.0 | 0.313 | 0.14 |
Borderline | 10 | (22.2) | 7 | (17.9) | 1 | 0.0 | 0.831 | 0.05 |
Combined | 3 (6.7) | 1 (2.6) | 1 | 0.0 | 0.153 | 0.10 | ||
Anxious | 1 | (3.8) | 0 | (0.0) | 1 | 0.0 | 0.464 | 0.12 |
Mixed and other | 0 | (0.0) | 1 | (3.8) | 1 | 0.0 | 1.000 | 0.10 |
Histrionic | 2 | (4.4) | 0 | (0.0) | 1 | 0.4 | 0.539 | 0.15 |
Family psychopathology present | 25 | (55.6) | 20 | (51.3) | 1 | 0.0 | 0.695 | 0.04 |
Suicide (attempt) environment, n (%) | 5 | (11.1) | 2 | (5.1) | 1 | 0.4 | 0.442 | 0.11 |
History of childhood abuse, n (%) | 12 | (26.7) | 6 | (15.4) | 1 | 1.0 | 0.322 | 0.14 |
Emotional abuse | 5 | (11.1) | 4 | (10.3) | 1 | 0.0 | 1.000 | 0.18 |
Sexual abuse | 4 | (8.9) | 0 | (0.0) | 1 | 0.1 | 0.681 | 0.07 |
Physical abuse | 3 | (6.7) | 0 | (0.0) | 1 | 1.1 | 0.245 | 0.01 |
NSSI, average number, Mdn (Q1,Q3) | 0.0 | (1.0,1.0) | 0.0 | (0.0,1.0) | -2.7 | 611.0 | 0.007 | 0.54 |
NSSI, at least one, n (%) | 27 | (60.0) | 13 | (33.3) | 1 | 6.0 | 0.015 | 0.27 |
Psychotropic drugs, average number, Mdn (Q1,Q3) | 0.0 | (0.0,1.0) | 0.0 | (0.0) | -1.3 | 765.5 | 0.184 | 0.22 |
Psychiatric drugs, at least one, n (%) | 14 | (31.1) | 7 | (17.9) | 1 | 1.3 | 0.256 | 0.15 |
Antidepressants | 14 | (31.1) | 5 | (12.8) | 1 | 3.0 | 0.082 | 0.22 |
Antipsychotics | 3 | (6.7) | 4 | (10.3) | 1 | 0.0 | 0.099 | 0.07 |