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Spanish Journal of Psychiatry and Mental Health
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Inicio Spanish Journal of Psychiatry and Mental Health Psychometric properties of the Cognitive Reserve Questionnaire for Adolescents (...
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Vol. 17. Issue 3.
Pages 132-137 (July - September 2024)
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Vol. 17. Issue 3.
Pages 132-137 (July - September 2024)
Original article
Psychometric properties of the Cognitive Reserve Questionnaire for Adolescents (CoRe-A)
Propiedades psicométricas del Cuestionario de Reserva Cognitiva para Adolescentes (CoRe-A)
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Patricia Camprodon-Boadasa,b,e, Elena de la Sernaa,c,
Corresponding author
eserna@clinic.cat

Corresponding authors.
, Immaculada Baezaa,c,d,e, Daniel Ilzarbea,d, Olga Puiga,c,f, Susana Andrés-Perpiñáa,d,f, Gisela Sugranyesa,c,d, Josefina Castro-Fornielesa,c,d,e,
Corresponding author
jcastro@clinic.cat

Corresponding authors.
a Department of Child and Adolescent Psychiatry and Psychology, 2017SGR881, Institut Clínic de Neurociències, Hospital Clínic Universitari, Barcelona, Spain
b Fundació Clínic per a la Recerca Biomèdica, Barcelona, Spain
c Centro de Investigación Biomédica en Red de Salud Mental, CIBERSAM, Spain
d Institut d’Investigació Biomèdica August Pi i Sunyer, IDIBAPS, Barcelona, Spain
e Department of Medicine, University of Barcelona, Spain
f Department of Psychology, University of Barcelona, Spain
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Figures (1)
Tables (4)
Table 1. Sociodemographic and clinical variables of the samples.
Table 2. Factor loading of CoRe-A items.
Table 3. Confirmatory factor analysis model fit summary for CoRe-A.
Table 4. Comparison of CoRe-A results between SMD and HC groups.
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Additional material (1)
Abstract
Introduction

The objective is to design and analyze the psychometric properties of a new instrument, The Cognitive Reserve Questionnaire for Adolescents (CoRe-A), for assessing cognitive reserve in adolescents.

Methods

A systematic review was conducted to identify cognitive reserve components, before items concerning them were discussed in terms of their suitability, relevance, and clarity. The final 12-item CoRe-A was subsequently validated among 48 adolescents diagnosed with severe mental disorders and 37 healthy controls matched by age and sex.

Results

The CoRe-A scale showed a four-factor structure (i.e., education/occupation, sociability, school performance/development, and leisure activities) that explained 65.30% of the variance. It had adequate internal consistency (Cronbach's alpha coefficient=0.767) and test–retest reliability (r=0.979; p<0.001). The patients with severe mental disorders obtained significantly lower scores than the healthy controls in both the total CoRe-A score and in the four factor scores. Moreover, the CoRe-A correctly classified 85.9% of the sample as patient with severe mental disorders or healthy control. The CoRe-A total score showed a large positive correlation with the Wechsler vocabulary subtest, demonstrating good convergent validity (r=0.514; p<0.001). Nevertheless, when vocabulary subtest and CoRe-A total score were compared, the CoRe-A reached a better discriminative capacity.

Conclusions

The CoRe-A is a valid and reliable tool for assessing cognitive reserve in adolescents, and it may help to characterize adolescents diagnosed with a severe mental disorder.

Keywords:
Cognitive reserve
Adolescents
Psychotic disorders
Scale validation
Psychometrics
Resumen
Introducción

El objetivo es diseñar y analizar las propiedades psicométricas de un nuevo instrumento, el Cuestionario de Reserva Cognitiva para Adolescentes (CoRe-A), para evaluar la reserva cognitiva en los adolescentes.

Métodos

Se llevó a cabo una revisión sistemática para identificar los componentes de la reserva cognitiva, antes de debatir los ítems que le conciernen en términos de su idoneidad, relevancia y claridad. La CoRe-A final de 12 ítems fue posteriormente validada en 48 adolescentes diagnosticados con trastornos mentales graves y 37 controles sanos emparejados por edad y sexo.

Resultados

La escala CoRe-A mostró una estructura de cuatro factores (educación/ocupación, sociabilidad, rendimiento/desarrollo escolar y actividades de ocio) que explicó el 65,30% de la varianza. Tenía una consistencia interna adecuada (coeficiente alfa de Cronbach=0,767) y una fiabilidad test-retest (r=0,979; p<0,001). Los pacientes con trastornos mentales graves obtuvieron puntuaciones significativamente más bajas que los controles sanos tanto en la puntuación total del CoRe-A como en las puntuaciones de los cuatro factores. Además, el CoRe-A clasificó correctamente al 85,9% de la muestra como paciente con trastornos mentales graves o control sano. La puntuación total del CoRe-A mostró una gran correlación positiva con el subtest de vocabulario de Wechsler, demostrando una buena validez convergente (r=0,514; p<0,001). Sin embargo, cuando se compararon el subtest de vocabulario y la puntuación total del CoRe-A, el CoRe-A alcanzó una mejor capacidad discriminativa.

Conclusiones

El CoRe-A es un instrumento válido y fiable para evaluar la reserva cognitiva en adolescentes, y puede ayudar a caracterizar a los adolescentes diagnosticados de un trastorno mental grave.

Palabras clave:
Reserva cognitiva
Adolescentes
Trastornos psicóticos
Validación de escalas
Psicometría

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