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Gepubliceerd in: Journal of Psychopathology and Behavioral Assessment 4/2012

01-12-2012

Profiles of Non-Suicidal Self-Injurers and Associated Patterns of Alcohol Use

Auteurs: Katherine L. Bracken-Minor, Meghan E. McDevitt-Murphy, Gilbert R. Parra

Gepubliceerd in: Journal of Psychopathology and Behavioral Assessment | Uitgave 4/2012

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Abstract

This study used latent variable mixture modeling (LVMM) with a combined sample of undergraduates and internet users who endorsed non-suicidal self-injury (NSSI; N = 440) to identify profiles of non-suicidal self-injurers. LVMM results revealed four distinct subtypes (“Experimental NSSI,” “Mild NSSI,” “Multiple Functions/Anxious,” and “Automatic Functions/Suicidal” groups) that were similar to those found in a prior study of undergraduates Klonsky and Olino (Journal of Consulting and Clinical Psychology 76:22-27, 2008), with an additional fifth “Multi-method.” ANOCOVAs and logistic regressions showed the first four groups differed on aspects of psychopathology in a similar fashion to the previous study. Specifically, the Experimental and Mild NSSI groups had the lowest levels of psychopathology, and the AF/Suicidal group had higher levels of psychopathology than the first three groups except for anxiety, which was higher for the MF/Anxious group. The additional Multi-method group was found to have higher levels of psychopathology than all other groups, but not significantly different from the MF/Anxious group. With regard to alcohol use and drinking motives, the MF/Anxious group had the highest level of hazardous drinking and drinking motives related to coping with depression and anxiety, enhancement, and conformity. The other four groups were not differentiated from one another on any drinking variable. Findings suggest that NSSI may be better conceptualized as a heterogeneous syndrome in clinical and research settings, with one sub-group being more at-risk for hazardous alcohol use.
Voetnoten
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Latent models with 1 to 6 classes were also conducted with the undergraduate and internet samples separately to investigate whether the model solution found was a byproduct of the mixture of samples as opposed to actual NSSI subtypes. Results indicated that the same 5-class solution held for the undergraduate sample alone. A 2-class solution provided the best fit for the internet sample, and these two classes were nearly identical to the AF/Suicidal and Multi-method groups found when both samples were combined. Despite the atypical use of a mixture of two samples of self-injurers in the present study, our sample probabilities for each class are very similar to those found by Klonsky and Olino (2008). Differences observed in the proportion of individuals in the classes from the two samples reflect the variability that will likely be observed in clinical versus non-clinical settings. Results of the LVMM conducted separately by sample are available by request from the authors.
 
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Metagegevens
Titel
Profiles of Non-Suicidal Self-Injurers and Associated Patterns of Alcohol Use
Auteurs
Katherine L. Bracken-Minor
Meghan E. McDevitt-Murphy
Gilbert R. Parra
Publicatiedatum
01-12-2012
Uitgeverij
Springer US
Gepubliceerd in
Journal of Psychopathology and Behavioral Assessment / Uitgave 4/2012
Print ISSN: 0882-2689
Elektronisch ISSN: 1573-3505
DOI
https://doi.org/10.1007/s10862-012-9306-5