Table 4 Univariate clinical correlates of suicidality in patients with anorexia nervosa, binge-purging type

Age of ED onset in years, Mdn (Q1,Q3)

15.0

(13.7,15.8)

15.0

(13.5,16.3)

-0.6

351.0

0.522

0.17

Duration of illness, month, M ± SD

15.2

 ± 11.6

17.8

 ± 17.8

54

0.6

0.520

0.17

BMI percentiles at admission, Mdn (Q1,Q3)

1.0

(1.0,2.3)

1.0

(1.0,1.0)

-1.0

340.5

0.296

0.22

Kgs < 1^st BMI percentile, Mdn (Q1,Q3)

-0.1

(-3.0,0.0)

0.0

(-4.8,0.0)

-0.3

373.0

0.763

0.08

Weight change in kg/week

0.4

(0.3,0.7)

0.5

(0.3,0.6)

-0.3

358.0

0.749

0.09

Psychiatric comorbidities, average number, Mdn (Q1,Q3)

1.0

(0.8,2.0)

0.0

(0.0,1.0)

-3.3

204.0

0.001

0.90

Psychiatric comorbidities, at least one, n (%)

20

(76.9)

14

(46.7)

1

4.1

0.042

0.31

Substance abuse disorder, n (%)

2

(7.7)

1

(3.3)

1

0.0

0.592

0.10

Affective disorders, at least one, n (%)

14

(53.8)

8

(26.7)

1

3.3

0.071

0.28

 Persistent affective disorder

9

(34.6)

4

(13.3)

1

2.4

0.111

0.25

 Depressive episode

8

(30.8)

4

(13.3)

1

1.6

0.191

0.21

 Recurrent depressive episode

1

(3.8)

0

(0.0)

1

0.0

0.464

0.15

Anxiety disorders, at least one, n (%)

1

(3.8)

1

(3.3)

1

0.0

1.000

0.01

 Phobia

1

(3.8)

0

(0.0)

1

0.0

0.464

0.15

 Panic disorder

0

(0.0)

1

(3.3)

1

0.0

1.000

0.13

Obsessive–compulsive disorder

4

(15.4)

1

(3.3)

1

1.2

0.172

0.21

Post-traumatic stress disorder

1

(3.8)

0

(0.0)

1

0.0

0.464

0.15

Personality disorders traits, n (%)

6

(23.1)

4

(13.3)

1

0.4

0.487

0.13

 Borderline

4

(15.4)

3

(10.0)

1

0.0

0.693

0.08

 Combined

1

(3.8)

0

(0.0)

1

0.0

0.464

0.15

 Mixed and other

1

(3.8)

0

(0.0)

1

0.0

0.464

0.13

 Anxious

0

(0.0)

1

(3.8)

1

0.0

0.464

0.15

Family psychopathology present, n (%)

19

(73.1)

22

(73.3)

1

0.0

1.000

0.00

Suicide (attempt) environment, n (%)

3

(11.5)

4

(13.3

1

0.0

1.000

0.03

History of childhood abuse, n (%)

9

(34.6)

2

(6.7)

1

5.2

0.016

0.04

 Physical abuse

3

(11.5)

2

(6.7)

1

0.0

0.700

0.16

 Sexual abuse

4

(15.4)

0

(0.0)

1

2.9

0.041

0.30

 Emotional abuse

3

(11.5)

1

(3.3)

1

0.4

0.328

0.09

NSSI, Mdn (Q1,Q3)

0.0

(1.0,1.0)

0.0

(0.0,0.0)

-3.8

228.5

0.002

0.76

NSSI, at least one, n (%)

16

(61.5)

6

(20.0)

1

8.4

0.004

0.42

Psychotropic drugs, average number, Mdn (Q1,Q3)

1.0

(0.0,2.0)

0.0

(0.0,1.0)

-2.6

253.0

0.012

0.63

Psychiatric drugs, at least one, n (%)

15

(57.7)

9

(30.0)

1

3.3

0.069

0.28

 Antidepressants

13

(50.0)

8

(26.7)

1

2.3

0.128

0.24

 Antipsychotics

10

(38.5)

2

(6.7)

1

6.6

0.007

0.39