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The Cardiff Self‐Injury Inventory (English version): Convergent validity and psychometric properties

Nicola Gray Orcid Logo, Robert J. Snowden Orcid Logo, Olivia Tiley, Nicola Gray

Health Science Reports, Volume: 6, Issue: 1

Swansea University Authors: Nicola Gray Orcid Logo, Nicola Gray

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DOI (Published version): 10.1002/hsr2.1028

Abstract

Background and AimsThe Cardiff Self-Injury Inventory (CSII) is a short (1 min), relatively nonintrusive, measure of previous self-injury behaviors written in English. It measures self-injury with suicidal intent and without such intent, covers actions versus thoughts, and has two time periods (lifet...

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Published in: Health Science Reports
ISSN: 2398-8835 2398-8835
Published: Wiley 2023
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa62647
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Abstract: Background and AimsThe Cardiff Self-Injury Inventory (CSII) is a short (1 min), relatively nonintrusive, measure of previous self-injury behaviors written in English. It measures self-injury with suicidal intent and without such intent, covers actions versus thoughts, and has two time periods (lifetime vs recent [defined as the last 3 months]). The study aimed to examine its psychometric properties and its relationship to more well-established measures.MethodsA UK community sample of 184 participants completed the CSII and two other measures of self-harming (Deliberate Self-Harm Inventory [DSHI] and Suicidal Behaviors Questionnaire–Revised [SBQ-R]) in March 2020–May 2020. Fifty participants also repeated these measurements 1–2 weeks later.ResultsThe CSII showed strong psychometric properties with internal reliability of 0.87 and a test–retest of 0.82. The subscales also showed strong psychometric properties. The CSII showed strong concurrent validity to the other measures of self-injury (SBQ-R, r = 0.70; DSHI, r = 0.81). A factor analysis supported the idea that there are two distinct components to the overall CSII score arising due to the distinction between suicidal and nonsuicidal behaviors.ConclusionThe CSII has good psychometric properties in this population and can be used as a fast, nonintrusive, measure of different self-injurious behaviors for clinical or research purposes.
Keywords: deliberate self-harm; nonsuicidal self-injury (NSSI); suicide
College: Faculty of Medicine, Health and Life Sciences
Issue: 1