Validation of a Computerized Adaptive Test Suicide Scale (CAT-SS) among United States Military Veterans

To validate the Computerized Adaptive Test Suicide Scale (CAT-SS), Veterans completed measures at baseline (n = 305), and 6- (n = 249), and 12-months (n = 185), including the CAT-SS (median items 11, duration of administration 107 seconds) and the Columbia-Suicide Severity Rating Scale (C-SSRS). Log...

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Published inPloS one Vol. 17; no. 1; p. e0261920
Main Authors Brenner, Lisa A, Betthauser, Lisa M, Penzenik, Molly, Bahraini, Nazanin, Gibbons, Robert D
Format Journal Article
LanguageEnglish
Published United States Public Library of Science 01.01.2022
Public Library of Science (PLoS)
Subjects
Adult
Aged
Anxiety disorders
Biology and Life Sciences
Brenner, Lisa
Demographic aspects
Education
Evaluation
Female
Health aspects
Health risks
Hospital administration
Humans
Longitudinal Studies
Male
Medicine
Medicine and Health Sciences
Mental disorders
Mental health care
Mental health surveys
Middle Aged
Military personnel
Military psychology
Models, Psychological
Psychiatry
Psychological aspects
Psychometrics
Quantitative psychology
Regression models
Rehabilitation
Risk factors
Social Sciences
Suicidal ideation
Suicide
Suicide - psychology
Suicide Prevention
Suicides & suicide attempts
Surveys
Veterans
Veterans - psychology
United States
Chicago Illinois
United States > US
Illinois
Colorado
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Summary:To validate the Computerized Adaptive Test Suicide Scale (CAT-SS), Veterans completed measures at baseline (n = 305), and 6- (n = 249), and 12-months (n = 185), including the CAT-SS (median items 11, duration of administration 107 seconds) and the Columbia-Suicide Severity Rating Scale (C-SSRS). Logistic regression was used to relate CAT-SS scores (baseline) to C-SSRS assessed outcomes (active ideation with plan and intent; attempt; interrupted, aborted or self-interrupted attempt, or preparatory acts or behaviors; all outcomes combined). A mixed-effects logistic regression model was used to evaluate the relationship between the lagged CAT-SS scores and outcomes (6- and 12-months). The baseline CAT-SS demonstrated predictive accuracy for all outcomes at 6-months, and similar results were found for baseline and all outcomes at and through 12-months. Longitudinal analysis revealed for every 10-point change in the CAT-SS there was a 50-77% increase in the likelihood of suicide-related outcomes. The CAT-SS demonstrated added value when compared to current suicide risk prediction practices.
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Competing Interests: The views, opinions, and/or findings contained in this article are those of the author(s) and should not be construed as an official Department of Veterans Affairs position, policy, or decision unless so designated by other documentation. Dr. Brenner has received royalties from American Psychological Association Publishing and Oxford University Press. Dr. Gibbons has been an expert witness for the US Department of Justice, Merck, Glaxo-Smith-Kline, Pfizer and Wyeth and is a founder of Adaptive Testing Technologies, which distributes the CAT-MH™ battery of adaptive tests in which the CAT-SS is included. The terms of this arrangement have been reviewed and approved by the University of Chicago in accordance with its conflict of interest policies.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0261920