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A Psychometric Evaluation of the Concise Health Risk Tracking Self-Report (CHRT-SR) -- A Measure of Suicidality -- in Patients with Stimulant Use Disorder.

Journal of Psychiatric Research 2018;102:65-71. [doi: 10.1016/j.jpsychires.2018.03.012]

Katherine Sanchez, PhD, MSSW (University of Texas, TX Node), Michael O. Killian, PhD, MSW (Baylor Scott and White Research Institute), Taryn L. Mayes (University of Texas, TX Node), Tracy L. Greer, PhD (University of Texas, TX Node), Joseph M. Trombello, PhD (University of Texas, TX Node), Robert Lindblad, MD (CTN Clinical Coordinating Center, Emmes), Bruce D. Grannemann, MA (University of Texas, TX Node), Thomas J. Carmody, PhD (University of Texas, TX Node), A. John Rush, MD (Duke Medical School), Robrina Walker, PhD (University of Texas, TX Node).

Stimulant use disorders are both common and associated with suicidal ideation and attempts. The psychometric properties of the 12-item Concise Health Risk Tracking Scale Self-Report (CHRT-SR), a measure that was created to assess suicidal thinking and several factors associated with a propensity to act, has been established in persons with mood disorders. This is a secondary analysis to assess the CHRT-SR in 302 stimulant abusing patients who had participated in a clinical trial (NIDA Clinical Trials Network protocol CTN-0037, Stimulant Reduction Intervention Using Dosed Exercise (STRIDE)).

A confirmatory factor analysis (CFA) was conducted to assess the factor validity of the 12-item CHRT-SR model with a second-order Propensity factor. The CHRT-SR total score and 2 factor scores (Propensity and Suicidal Thoughts) demonstrated acceptable internal consistency and test-retest reliabilities. These two subscales and the total score were modestly but significantly associated with measures of depression and life satisfaction, demonstrating construct validity. Two additional items assessing Impulsivity were also analyzed, and demonstrated acceptable internal consistency, test-retest reliability, and construct validity.

Conclusions: The CHRT-SR appears to be a reliable and valid tool to assess suicidality in persons with stimulant use disorder. The value of a brief self-report measure of suicidal risk with promising psychometric properties has strong implications for practice and for clinical trials. The CHRT-SR is straight-forward, requiring minimal clinician time to train and administer, and offers particular utility as a simple and quick assessment of helplessness and pessimism, symptoms common among people with chronic stimulant use, a population who should be closely monitored for suicide. (Article (Peer-Reviewed), PDF, English, 2018)

Keywords: CTN platform/ancillary study | Concise Health Risk Tracking Scale Self-Report (CHRT-SR) | Depression | Screening and assessment instruments | Stimulant abuse | Suicide | Journal of Psychiatric Research (journal)

Document No: 1307.

Submitted by CTN Dissemination Librarians, 4/2/2018.


Carmody, Thomas J. mail
Grannemann, Bruce D.
Greer, Tracy L. mail
Killian, Michael O.
Lindblad, Robert mail
Mayes, Taryn L.
Rush, A. John
Sanchez, Katherine mail
Trombello, Joseph M.
Walker, Robrina mail
NIDA-CTN-0037 www
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Supported by a grant from the National Institute on Drug Abuse to the University of Washington Alcohol and Drug Abuse Institute.
The materials on this site have neither been created nor reviewed by NIDA.
Updated 5/2018 --
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