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Table 1 Descriptive Statistics of ISAS, ERQ, and CCSM Variables (n = 247)

From: Psychometric properties of the persian version of the inventory of statements about self-injury (ISAS)

Measures Mean (SD) Skewness Kurtosis α MIC
ISAS Interpersonal Functions 5.24 (6.45) 1.45 1.62 0.89 0.54
Interpersonal boundaries 0.77 (1.14) 1.49 1.50 0.60 0.35
Interpersonal influence 0.67 (1.09) 1.77 3.16 0.52 0.27
Toughness 1.07 (1.43) 1.34 1.22 0.75 0.49
Autonomy 0.87 (1.37) 1.64 2.02 0.79 0.56
Sensation seeking 0.74 (1.11) 1.56 1.85 0.52 0.29
Revenge 0.60 (1.08) 2.09 4.34 0.60 0.34
Peer-bonding 0.49 (1) 2.27 5.07 0.61 0.36
ISAS Intrapersonal Functions 7.54 (7.04) 0.87 0.10 0.87 0.54
Affect-regulation 1.77 (1.75) 0.67 -0.54 0.72 0.46
Self-punishment 1.25 (1.53) 1.24 0.98 0.67 0.41
Anti-dissociation 1.07 (1.37) 1.04 0.41 0.62 0.35
Anti-suicide 1.21 (1.71) 1.30 0.72 0.74 0.50
Self-care 1.25 (1.37) 1.04 0.42 0.56 0.32
Marking distress 0.94 (1.29) 1.26 0.72 0.79 0.56
ERQ      
Cognitive reappraisal 29.84 (6.08) -0.56 1.28 0.62 0.22
Expressive suppression 17.23 (5.02) -0.11 -0.39 0.57 0.25
CCSM      
Somatic symptoms 1.93 (1.95) 1.02 0.61 0.50 0.34
Sleep problems 1.37 (1.57) 0.64 -1.22 * *
Inattention 1.23 (1.43) 0.80 -0.78 * *
Depression 3.11 (2.65) 0.38 -1.10 0.48 0.31
Irritability 1.68 (1.50) 0.31 -1.32 * *
Anger 1.76 (1.44) 0.28 -1.28 * *
Mania 2.19 (2.22) 0.93 0.09 0.48 0.30
Anxiety 4.57 (3.68) 0.45 -0.90 0.78 0.55
Psychosis 1.35 (2.20) 1.70 2 0.75 0.60
Repetitive Thoughts & Behaviors 4.63 (4.02) 0.97 0.44 0.68 0.35
Substance use 7.81 (0.55) -3.53 14.28 0.56 0.24
Suicidal Ideation/ Attempts 3.66 (0.63) -1.70 1.613 0.59 0.42
  1. Note. ERQ: Emotion Regulation Questionnaire; CCSM: DSM-5 Self-Rated Level 1 Cross-Cutting Symptom Measure—Child Age 11–17; SD: Standard deviation; α: Cronbach’s alpha coefficient; MIC: mean interitem correlation; *: internal consistency was not measured because of having one item