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Assessing suicide risk with the Clinical Interview for Psychotic Disorders (CIPD): Preliminary reliability and validity of the Suicide Risk Scale for Psychosis (SRS-P)

Published online by Cambridge University Press:  23 March 2020

M.J. Martins ,
P. Castilho ,
C. Carvalho ,
T. Pereira ,
J. Gonçalves ,
R. Guiomar ,
C. Marques ,
A. Pinto ,
D. Carreiras  and
M. Bajouco
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M.J. Martins
Affiliation:
Faculty of Psychology and Educational Sciences, University of Coimbra, CINEICC, Coimbra, Portugal
P. Castilho
Affiliation:
Faculty of Psychology and Educational Sciences, University of Coimbra, CINEICC, Coimbra, Portugal
C. Carvalho
Affiliation:
University of Azores, Portugal, Department of Educational Sciences, Açores, Portugal
T. Pereira
Affiliation:
Faculty of Medicine, University of Coimbra, Psychological Medicine Department, Coimbra, Portugal
J. Gonçalves
Affiliation:
Faculty of Psychology and Educational Sciences, University of Coimbra, CINEICC, Coimbra, Portugal
R. Guiomar
Affiliation:
Faculty of Psychology and Educational Sciences, University of Coimbra, CINEICC, Coimbra, Portugal
C. Marques
Affiliation:
Faculty of Medicine, University of Coimbra, Psychological Medicine Department, Coimbra, Portugal
A. Pinto
Affiliation:
Faculty of Psychology and Educational Sciences, University of Coimbra, CINEICC, Coimbra, Portugal
D. Carreiras
Affiliation:
Faculty of Psychology and Educational Sciences, University of Coimbra, CINEICC, Coimbra, Portugal
M. Bajouco
Affiliation:
Faculty of Medicine, University of Coimbra, Psychological Medicine Department, Coimbra, Portugal
A. Macedo
Affiliation:
Faculty of Medicine, University of Coimbra, Psychological Medicine Department, Coimbra, Portugal

Abstract

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Background

Suicide risk is an important variable to consider both in assessment and throughout the therapeutic process in psychotic disorders. The SRS-P is an 18-item scale computed from the patient and clinician-rated scores obtained in the CIPD. The scale comprises lifetime assessment of depressed mood, anhedonia and its current interference and severity, current and past feelings of hopelessness, suicidal ideation, ‘voices’ about suicide, and suicide-related behaviors.

Aims

To assess reliability and convergent validity of the SRS-P in a sample of participants with psychosis.

Methods

The sample comprised 22 participants (68.2% male), single (72.7%), between 19 and 47 years old (M = 31.05; SD = 7.088), with 4–17 years of education (M = 11.77; SD = 3.176), employed (50%). The most prevalent diagnosis was schizophrenia (68.2%) and the participants had a mean of 1.90 hospitalizations (SD = 2.548). The mean age of illness onset was 23.57 years (SD = 5.555). The participants were assessed with the CIPD, Depression, Anxiety and Stress Scales-21, Forms of Self-Criticism and Reassurance Scale, Self-Compassion Scale, Other as Shamer Scale and the Empowerment with Psychotic Symptoms Scales.

Results

The SRS-P has shown good reliability (α = .87) and validity in relation to depressive symptoms (r = .67; P = .001), anxiety (r = .74; P < .001), stress (r = .59; P = .004), inadequate self (r = .43; P = .046), hated self (r = .54; P = .009), reassured self (r = –.65; P = .001), self-compassion (r = –.63; P = .002), shame (r = .46; P = .033) and empowerment regarding positive symptoms (r = –.54; P = .015).

Conclusions

The SRS-P presented adequate reliability and convergent-divergent validity. Further studies are planned in order to test the factorial structure of the scale and confirm the presented results in a larger sample.

Disclosure of interest

The authors have not supplied their declaration of competing interest.

Type
e-Poster walk: Schizophrenia and other psychotic disorders–part 1
Information
European Psychiatry , Volume 41 , Issue S1: Abstract of the 25th European Congress of Psychiatry , April 2017 , pp. S188 - S189
Copyright
Copyright © European Psychiatric Association 2017
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