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Table 1 Sociodemographic, clinical, and diagnostic data of the sample (N = 25)

From: Extending research on Emotion Regulation Individual Therapy for Adolescents (ERITA) with nonsuicidal self-injury disorder: open pilot trial and mediation analysis of a novel online version

Age (years)

M (SD)

15.7 (1.3)

 

Min-max

13.4–17.7

 

Gender

Female

19

76%

Male

1

4%

Other (non-binary)

5

20%

Country of birth

Sweden

24

96%

Other European country

1

4%

Gender of treatment responsible parent

Female

22

88%

Male

3

12%

Treatment responsible parent’s educational level

Primary

1

4%

Secondary

7

28%

University

17

68%

Ongoing psychotropic medication

Yes

8

32%

Earlier psychological treatments

Yes

15

60%

Mean length in months (SD)

11.9 (16.4)

 

Meeting full diagnostic criteria for BPD

Yes

5

20%

Mean number of BPD criteria

 

3.2 (1.6)

 

Adolescent’s report on age of NSSI onset

M (SD)

13.3 (1.3)

 

Parent’s report on age of their child’s NSSI onset

M (SD)

14.1 (1.6)

 

NSSI frequency past 12 months

Median

103

 

IQR

25–197

 

Frequency of co-occurring disorders

Depression

13

52%

Panic disorder

9

36%

ADHD

3

12%

Social anxiety disorder

13

52%

Separation anxiety

1

4%

Specific phobia

2

8%

Bulimia nervosa

1

4%

GAD

7

28%

BDD

5

20%

Number of participants with 0 - ≥5 co-occurring disorders

None

2

8%

One

3

12%

Two

9

36%

Three

5

20%

Four

2

8%

≥Five

5

16%

  1. Note. ADHD Attention deficit hyperactivity disorder, BDD Body dysmorphic disorder, BPD Borderline personality, GAD Generalized anxiety disorder, IQR Interquartile range, NSSI Nonsuicidal self-injury