Karabi Nandy, A. John Rush, Thomas J. Carmody, Alexandra Kulikova, Taryn L. Mayes, Graham Emslie, Madhukar H. Trivedi
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The item response theory and classical test theory characteristics of the optimal solution were evaluated. Concurrent validity (both cross-sectional and as a change measure over time) of the optimal solution was assessed by comparing it to another suicide measure.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>Confirmatory factor analysis identified the 9-item CHRT-SR (CHRT-SR<sub>9</sub>) as the optimal solution. Classical test theory and item response theory indicated excellent fit. Concurrent validity analyses revealed that it can measure both improvement/worsening of suicidality over time.</p>\n </section>\n \n <section>\n \n <h3> Conclusion</h3>\n \n <p>The CHRT-SR<sub>9</sub> is a brief self-report with excellent psychometric properties in a sample of adolescents that is sensitive to changes in suicidality over time. Its performance in other populations and ability to predict future suicidal events deserves study.</p>\n </section>\n </div>","PeriodicalId":50310,"journal":{"name":"International Journal of Methods in Psychiatric Research","volume":"32 2","pages":""},"PeriodicalIF":2.4000,"publicationDate":"2022-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/43/0d/MPR-32-e1944.PMC10242193.pdf","citationCount":"6","resultStr":"{\"title\":\"The Concise Health Risk Tracking - Self-Report (CHRT-SR)—A measure of suicidal risk: Performance in adolescent outpatients\",\"authors\":\"Karabi Nandy, A. John Rush, Thomas J. Carmody, Alexandra Kulikova, Taryn L. Mayes, Graham Emslie, Madhukar H. 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The Concise Health Risk Tracking - Self-Report (CHRT-SR)—A measure of suicidal risk: Performance in adolescent outpatients
Objectives
The Concise Health Risk Tracking Self-Report (CHRT-SR) assesses the risk of suicidal behavior. We report its psychometric properties in a representative sample of adolescent outpatients.
Methods
A sample (n = 657) of adolescents (<18 years of age) in primary or psychiatric care completed the 14-item version of CHRT-SR at both baseline and within 3 months. To identify an optimal brief solution for the scale, we evaluated the factor structure of CHRT-SR using multigroup confirmatory factor analysis, and testing measurement invariance across age and gender. The item response theory and classical test theory characteristics of the optimal solution were evaluated. Concurrent validity (both cross-sectional and as a change measure over time) of the optimal solution was assessed by comparing it to another suicide measure.
Results
Confirmatory factor analysis identified the 9-item CHRT-SR (CHRT-SR9) as the optimal solution. Classical test theory and item response theory indicated excellent fit. Concurrent validity analyses revealed that it can measure both improvement/worsening of suicidality over time.
Conclusion
The CHRT-SR9 is a brief self-report with excellent psychometric properties in a sample of adolescents that is sensitive to changes in suicidality over time. Its performance in other populations and ability to predict future suicidal events deserves study.
期刊介绍：
The International Journal of Methods in Psychiatric Research (MPR) publishes high-standard original research of a technical, methodological, experimental and clinical nature, contributing to the theory, methodology, practice and evaluation of mental and behavioural disorders. The journal targets in particular detailed methodological and design papers from major national and international multicentre studies. There is a close working relationship with the US National Institute of Mental Health, the World Health Organisation (WHO) Diagnostic Instruments Committees, as well as several other European and international organisations.
MPR aims to publish rapidly articles of highest methodological quality in such areas as epidemiology, biostatistics, generics, psychopharmacology, psychology and the neurosciences. Articles informing about innovative and critical methodological, statistical and clinical issues, including nosology, can be submitted as regular papers and brief reports. Reviews are only occasionally accepted.
MPR seeks to monitor, discuss, influence and improve the standards of mental health and behavioral neuroscience research by providing a platform for rapid publication of outstanding contributions. As a quarterly journal MPR is a major source of information and ideas and is an important medium for students, clinicians and researchers in psychiatry, clinical psychology, epidemiology and the allied disciplines in the mental health field.
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