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Vol. 34. Issue 4.
Pages 189-194 (October - December 2020)
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Vol. 34. Issue 4.
Pages 189-194 (October - December 2020)
Original article
DOI: 10.1016/j.ejpsy.2020.06.003
Validity and reliability of a Spanish version of the Standardised Assessment of Personality-Abbreviated Scale (SAPAS) for personality disorder screening in community mental health settings
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J.E. Muñoz-Negroa,
Corresponding author
jemunoznegro@gmail.com

Corresponding author.
, R. Gómez Passalacquab, N. Pumar Alonsoa, J.A. Cervillaa,c
a UGC Salud Mental Hospital Universitario Clínico San Cecilio, Servicio Andaluz de Salud, Granada, Spain
b Unidad de Psiquiatría, Hospital Piñero, Ciudad Autónoma de Buenos Aires, Argentina
c Departamento de Psiquiatría, Facultad de Medicina, Universidad de Granada, Granada, Spain
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Figures (1)
Tables (3)
Table 1. Construct validity of the Spanish SAPAS (factorial analysis).
Table 2. Concurrent validity: sensitivity, specificity and positive (PPV) and negative predictive (NPV) and Spanish SAPAS cut-off points.
Table 3. Reliability analysis of the Spanish SAPAS (Cronbach's alpha).
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Abstract
Backgrounds and objectives

Personality disorders (PDs) are an essential public health problem being frequently underdiagnosed in the mental health (MH) services.

Methods

This is a cross-sectional study performed in patients attending a community mental health care out-patient clinic. The Standardised Assessment of Personality-Abbreviated Scale (SAPAS) was administered to 59 consecutively agreeing to take part. SAPAS factorial structure was analyzed utilizing principal component analysis with calculation of Cronbach's α to check for internal consistency. Subsequently, SAPAS criterion validity was established comparing it with the Spanish version of the International Personality Disorder Examination (IPDE) by performing a ROC curve to determine sensitivity, specificity, positive and negative predictive values for different cut-off points. Finally, correlations were estimated between the SAPAS scores and dimensional scores for the different IPDE PD types.

Results

Three factors were achieved, each one closely related to the three DSM-5 PD groups (A–C) explaining 64.1% of total variance in the model. SAPAS internal consistency measured with Cronbach's α was 0.66. The area under the curve (AUC) was found to be 0.89. A cut-off point of 5 showed 84% sensitivity and 79% specificity, correctly classifying 81.5% of the individuals.

Conclusions

SAPAS is a valid and reliable PD screening instrument in patients attending community mental health settings.

Keywords:
Personality disorder
Standardised Assessment of Personality-Abbreviated Scale (SAPAS)
International Personality Disorder Examination (IPDE)
Screening
Questionnaire validation

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