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Journal Article

Citation

Meerwijk EL, Weiss SJ. PeerJ 2017; 5: e3491.

Affiliation

Department of Community Health Systems, University of California, San Francisco, CA, United States of America.

Copyright

(Copyright © 2017, PeerJ)

DOI

10.7717/peerj.3491

PMID

28652940

PMCID

PMC5483035

Abstract

BACKGROUND: Assessing psychological pain has been recommended as an integral part of a comprehensive suicide risk assessment. The Psychache Scale, an established measure of psychological pain, does not specify a time frame for when pain is experienced, which may inadvertently increase the likelihood of identifying individuals as being at elevated suicide risk when they complete the Psychache Scale based on psychological pain experienced at some undefined time in the past.

METHODS: We conducted a national general population survey among United States adults to determine whether addition of a time frame to the instructions of the Psychache Scale would more accurately reflect current psychological pain and more effectively identify people with current suicide ideation. A between-subjects design was used where respondents were randomized to complete the original Psychache scale or a modified scale with time frame. Data were collected online from September 2015 to June 2016. A total of 242 respondents had complete psychological pain data: 133 completed the original Psychache Scale and 109 completed the Psychache Scale with time frame.

RESULTS: Addition of a time frame did not result in differences in psychological pain scores. However, when screening for participants with current suicide ideation, 13% fewer false positives were observed with the modified scale at higher cut-off values than previously reported (38 vs. 24). The substantial increase in positive predictive value suggests that a time frame is a worthwhile addition to the Psychache Scale.

DISCUSSION: We recommend using the Psychache Scale with a time frame and testing the cut-off score for suicide ideation in population samples that reflect the general population more accurately. Psychological pain cut-off scores in clinical samples have yet to be established.


Language: en

Keywords

Mental pain; Positive predictive value; Psychache; Psychological pain; Psychometrics; Specificity; Suicide

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