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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