Beliefs about one's non-suicidal self-injury: The Experiences of Self-Injury Questionnaire (ESIQ)

Document Type

Journal Article

Publication Title

Archives of Suicide Research

Publisher

Taylor and Francis

School

School of Arts and Humanities

RAS ID

30745

Comments

Sandel, D. B., Jomar, K., Johnson, S. L., Dickson, J. M., Dandy, S., Forrester, R., & Taylor, P. J. (2021). Beliefs about one’s non-suicidal self-injury: The Experiences of Self-Injury Questionnaire (ESIQ). Archives of Suicide Research, 25(3), 458-474.

https://doi.org/10.1080/13811118.2020.1712285

Abstract

Objective: The goal of this study was to develop and validate a measure of self-rated positive and negative beliefs about one’s non-suicidal self-injury (NSSI), the Experiences of Self-Injury Questionnaire (ESIQ). Method: Psychometric properties and validation against NSSI severity and shame were tested in two U.S. and two U.K. samples of individuals who endorsed a history of NSSI. Results: Exploratory and confirmatory factor analyses indicated five factors. Subscales were labeled Positive Beliefs, Personal Dislike, Interpersonal Concern, Emotional Suppression, and Emotional Expression. The Positive Beliefs Subscale covers beliefs that NSSI is valuable. Scores on this subscale were associated with endorsement of NSSI frequency, NSSI urges, and perceived likelihood of future NSSI. Other subscales showed validity in that they all showed unique effects on outcome indices of NSSI severity or shame. Conclusion: The ESIQ shows promise as a brief reliable measure of beliefs about and experiences of NSSI.

DOI

10.1080/13811118.2020.1712285

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