Table 1

Summary of psychometric qualities
Short name of behavioural scale Items Sample % DSH Reliability External validity
SIQTR-5 A1, B1,C1, D1, E1 84, females, EDTP, av.age 24 30.4%a α = 0.62c Common SHI items r = 0.43 - 0.75h
SITBI-11 Q150: (1)-(11) 94, 77% females, MHU, av.age 17 68.1%b Κ =1.0e FASM, Κ = 1.0e; r = 0.99g
ICC = .71g
DSHI-16 Q1- Q16 150, 68% females, UG, age range 18 to 64 35%b Φ = 0.68e, r = 0.92f MHhx, r= 0.49e; BPO, r = 0.48g; SA r = 0.21g
α =0.82d
ISAS-12 Q1: (1)-(12) 235 UG (selected from 761 UG), 55% females, av.age 18 30.8%b r = 0.85g MSI-BPD, r = 0.37g; YRBS SI item, r = 0.38g; YRBS SA item, r = 0.28g
α =0.84d
SHI-16 Q1-Q16 290, 52% females, UG, av.age 20 68%b Φ = 0.94e, r = 0.84f NR
SHI-22 Q1–Q22 221, 90% females, MHU (4) PMC (104), EDTP/SATP (113), age range 17 to 63 71.9%b α =0.80d DIB, r = 0.76f;
PDQ-R, r = 0.73f

EDTP eating disorder treatment program, SATP substance abuse treatment program, UG under-graduates, MHU mental health unit, PMC primary medical care, α Coefficient Alpha, Κ Coefficient Kappa, Φ Coefficient Phi, ICC Intra Class Correlation, MHhx mental health history, SI suicide ideation, SA suicide attempt, NR not reported, MSI-BPD McLean Screening Instrument for Borderline Personality Disorder [36]; YRBS Youth Risk Behaviours Survey [37], DIB Diagnostic Interview for Borderlines [38], PDQ-R Personality Diagnostic Questionnaire Revised [39], FASM Functional Assessment of Self-Mutilation [40], BPO Borderline Personality Organization Scale [41], a one or more DSH behaviours in past month, b one or more DSH behaviours in lifetime, c items scored 0,1 for presence in last month, d items scored 0,1 for presence in lifetime, e dichotomous variable (lifetime presence) scored 0 (no items endorsed) and 1 (at least one item endorsed), f continuous variable (lifetime presence) scored as sum of 0,1 endorsements across all items, g continuous variable (lifetime frequency) scored as sum of frequency across all items, h continuous variable (frequency for each item) in last month, † [42] (107, 57% females, MHU, aged 18 to 65).

Latimer et al.

Latimer et al. BMC Psychiatry 2013 13:4   doi:10.1186/1471-244X-13-4

Open Data