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- Title
Validation of a Computerized Adaptive Test Suicide Scale (CAT-SS) among United States Military Veterans.
- Authors
Brenner, Lisa A.; Betthauser, Lisa M.; Penzenik, Molly; Bahraini, Nazanin; Gibbons, Robert D.
- Abstract
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.
- Subjects
COMPUTER adaptive testing; UNITED States armed forces; VETERANS; SUICIDE; LOGISTIC regression analysis; HOMICIDE rates; COLUMBIA-Suicide Severity Rating Scale
- Publication
PLoS ONE, 2022, Vol 17, Issue 1, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0261920