Predictive Validity of the K-CAT-SS in High-Risk Adolescents and Young Adults.

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Title: Predictive Validity of the K-CAT-SS in High-Risk Adolescents and Young Adults.
Authors: Gibbons, Robert D.1 (AUTHOR) rdg@uchicago.edu, Ryan, Neal D.2 (AUTHOR), Tsui, Fuchiang (Rich)3,4 (AUTHOR), Harakal, Jordan2 (AUTHOR), George-Milford, Brandie2 (AUTHOR), Porta, Giovanna2 (AUTHOR), Berona, Johnny5 (AUTHOR), Brent, David A.2 (AUTHOR)
Source: Journal of the American Academy of Child & Adolescent Psychiatry. Mar2025, Vol. 64 Issue 3, p398-405. 8p.
Subject Terms: *Mental health services, Columbia-Suicide Severity Rating Scale, Suicide risk factors, Attempted suicide, Suicidal behavior
Abstract: Suicide is a leading cause of death in adolescents and young adults and has increased substantially in the past 15 years. Accurate suicide risk stratification based on rapid screening can help reverse these trends. This study aimed to assess the ability of the Kiddie Computerized Adaptive Test Suicide Scale (K-CAT-SS), a brief computerized adaptive test of suicidality, to predict suicide attempts (SAs) in high-risk youth. A total of 652 participants (age range, 12-24 years), 78% of whom presented with suicidal ideation or behavior, were recruited within 1 month of mental health care contact. The K-CAT-SS, scaled from 0 to 100, was administered at baseline, and participants were assessed at about 1, 3, and 6 months after intake. Weekly incidence of SAs was assessed using the Adolescent Longitudinal Interval Follow-up Evaluation and Columbia-Suicide Severity Rating Scale. A secondary outcome was suicidal behavior, including aborted, interrupted, and actual SAs. The K-CAT-SS showed a 4.91-fold increase in SAs for every 25-point increase in the baseline score (95% CI 2.83-8.52) and a 3.51-fold increase in suicidal behaviors (95% CI 2.32-5.30). These relations persisted following adjustment for prior attempts; demographic variables including age, sex, gender identity, sexual orientation, and race/ethnicity; and other measures of psychopathology. No moderating effects were identified. At 3 months, area under the receiver operating characteristic curve was 0.83 (95% CI 0.72-0.93) for 1 or more SAs. The K-CAT-SS is an excellent tool for suicide risk stratification, particularly in higher-risk populations where other measures have shown lower predictive validity. We studied the ability of the Kiddie Computerized Adaptive Test Suicide Scale (K-CAT-SS), a brief computerized adaptive test of suicidality, to predict suicide attempts (SA) in high-risk youth. At total of 652 participants aged 12 to 24, 78% of whom presented with suicidal ideation or behavior, were recruited within one month of mental health contact. In follow-up that averaged 7 months following baseline, there was a 5-fold increase in suicide attempts and 3.5-fold increase in suicidal behaviors for every 25-point change in the baseline K-CAT-SS score (100-point scale), which persisted after adjusting for demographic covariates. The K-CAT-SS is an excellent tool for suicide risk stratification, particularly in higher-risk populations where other measures have shown lower predictive validity. [ABSTRACT FROM AUTHOR]
Copyright of Journal of the American Academy of Child & Adolescent Psychiatry is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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  Data: Predictive Validity of the K-CAT-SS in High-Risk Adolescents and Young Adults.
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  Data: <searchLink fieldCode="AR" term="%22Gibbons%2C+Robert+D%2E%22">Gibbons, Robert D.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rdg@uchicago.edu</i><br /><searchLink fieldCode="AR" term="%22Ryan%2C+Neal+D%2E%22">Ryan, Neal D.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tsui%2C+Fuchiang+%28Rich%29%22">Tsui, Fuchiang (Rich)</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Harakal%2C+Jordan%22">Harakal, Jordan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22George-Milford%2C+Brandie%22">George-Milford, Brandie</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Porta%2C+Giovanna%22">Porta, Giovanna</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Berona%2C+Johnny%22">Berona, Johnny</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Brent%2C+David+A%2E%22">Brent, David A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+the+American+Academy+of+Child+%26+Adolescent+Psychiatry%22">Journal of the American Academy of Child & Adolescent Psychiatry</searchLink>. Mar2025, Vol. 64 Issue 3, p398-405. 8p.
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  Data: *<searchLink fieldCode="DE" term="%22Mental+health+services%22">Mental health services</searchLink><br /><searchLink fieldCode="DE" term="%22Columbia-Suicide+Severity+Rating+Scale%22">Columbia-Suicide Severity Rating Scale</searchLink><br /><searchLink fieldCode="DE" term="%22Suicide+risk+factors%22">Suicide risk factors</searchLink><br /><searchLink fieldCode="DE" term="%22Attempted+suicide%22">Attempted suicide</searchLink><br /><searchLink fieldCode="DE" term="%22Suicidal+behavior%22">Suicidal behavior</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Suicide is a leading cause of death in adolescents and young adults and has increased substantially in the past 15 years. Accurate suicide risk stratification based on rapid screening can help reverse these trends. This study aimed to assess the ability of the Kiddie Computerized Adaptive Test Suicide Scale (K-CAT-SS), a brief computerized adaptive test of suicidality, to predict suicide attempts (SAs) in high-risk youth. A total of 652 participants (age range, 12-24 years), 78% of whom presented with suicidal ideation or behavior, were recruited within 1 month of mental health care contact. The K-CAT-SS, scaled from 0 to 100, was administered at baseline, and participants were assessed at about 1, 3, and 6 months after intake. Weekly incidence of SAs was assessed using the Adolescent Longitudinal Interval Follow-up Evaluation and Columbia-Suicide Severity Rating Scale. A secondary outcome was suicidal behavior, including aborted, interrupted, and actual SAs. The K-CAT-SS showed a 4.91-fold increase in SAs for every 25-point increase in the baseline score (95% CI 2.83-8.52) and a 3.51-fold increase in suicidal behaviors (95% CI 2.32-5.30). These relations persisted following adjustment for prior attempts; demographic variables including age, sex, gender identity, sexual orientation, and race/ethnicity; and other measures of psychopathology. No moderating effects were identified. At 3 months, area under the receiver operating characteristic curve was 0.83 (95% CI 0.72-0.93) for 1 or more SAs. The K-CAT-SS is an excellent tool for suicide risk stratification, particularly in higher-risk populations where other measures have shown lower predictive validity. We studied the ability of the Kiddie Computerized Adaptive Test Suicide Scale (K-CAT-SS), a brief computerized adaptive test of suicidality, to predict suicide attempts (SA) in high-risk youth. At total of 652 participants aged 12 to 24, 78% of whom presented with suicidal ideation or behavior, were recruited within one month of mental health contact. In follow-up that averaged 7 months following baseline, there was a 5-fold increase in suicide attempts and 3.5-fold increase in suicidal behaviors for every 25-point change in the baseline K-CAT-SS score (100-point scale), which persisted after adjusting for demographic covariates. The K-CAT-SS is an excellent tool for suicide risk stratification, particularly in higher-risk populations where other measures have shown lower predictive validity. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of the American Academy of Child & Adolescent Psychiatry is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.jaac.2024.04.011
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      – Code: eng
        Text: English
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      – SubjectFull: Mental health services
        Type: general
      – SubjectFull: Columbia-Suicide Severity Rating Scale
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      – SubjectFull: Suicide risk factors
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      – SubjectFull: Attempted suicide
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      – SubjectFull: Suicidal behavior
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              Text: Mar2025
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