The Cardiff self‐injury inventory (English version): convergent validity and psychometric properties

Snowden, Robert J. ORCID: https://orcid.org/0000-0001-9900-480X, Tiley, Olivia and Gray, Nicola S. ORCID: https://orcid.org/0000-0003-3849-8118 2023. The Cardiff self‐injury inventory (English version): convergent validity and psychometric properties. Health Science Reports 6 (1) , e1028. 10.1002/hsr2.1028

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Abstract

Background and Aims: The 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. Methods: A 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. Results: The 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. Conclusion: The 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.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Psychology
Additional Information:	License information from Publisher: LICENSE 1: URL: http://creativecommons.org/licenses/by-nc-nd/4.0/
Publisher:	Wiley Open Access
ISSN:	2398-8835
Date of First Compliant Deposit:	3 January 2023
Date of Acceptance:	19 December 2022
Last Modified:	18 May 2023 05:44
URI:	https://orca.cardiff.ac.uk/id/eprint/155354

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