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Table 2 Comparisons on Past Week and Past Year NSSI Methods and Frequency

From: Characteristics of nonsuicidal self-injury associated with suicidal ideation: evidence from a clinical sample of youth

Past Week NSSI Measures n d p
Number of NSSI episodes (ABASI) 1514 .13 .01
Medical severity of NSSI (ABASI) 1239 .29 <.001
Impulsivity of NSSI (ABASI) 1234 -.01 .87
Craving for NSSI (ABUSI total score) 1476 1.16 <.001
Past Year NSSI Methods (ABASI)    
Cut 676 .13 .09
Scratch 676 .20 .01
Burn 676 .12 .11
Tattoo/Pierce 676 .01 .91
Choke 676 .33 <.001
Pull Hair 676 .20 .01
Draw Blood 676 .09 .25
Insert/Embed 676 .19 .01
Hit 345 .45 <.001
Bang 676 .28 <.001
Prevent Wound Healing 676 .24 .002
Fall Down 676 .00 .99
Break Bones 676 .11 .16
Gouge 676 .05 .51
Fight 676 .11 .14
Ingest/Swallow 676 .09 .25
Mutilate Genitals 343 .00 1
Worsen Medical Condition/Ignore Medical Advice 676 .23 .003
Past Year Number of NSSI Methods (ABASI) 676 .52 <.001
Past Year Number of Days with NSSI (ABASI) 345 .65 <.001