Construct and convergence validity of the depression inventory in neurological disorders in people with epilepsy and healthy people in the Cuban context

Marilyn Zaldivar Bermúdez, Damian Valdés Santiago, Carlos Maragoto Rizo, Yaima Llorca de la Noval and Lilia María Morales Chacón
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Marilyn Zaldivar Bermúdez: Centro Internacional de Restauración Neurológica, Departamento de Neuropsicología. La Habana, Cuba
Damian Valdés Santiago: Universidad de La Habana, Facultad de Matemática y Computación. La Habana, Cuba
Carlos Maragoto Rizo: Centro Internacional de Restauración Neurológica, Departamento de Neuropsicología. La Habana, Cuba
Yaima Llorca de la Noval: Universidad de La Habana, Facultad de Psicología. La Habana, Cuba
Lilia María Morales Chacón: Centro Internacional de Restauración Neurológica, Departamento de Neuropsicología. La Habana, Cuba

International Journal of Neurology, 2026, vol. 60, 127

Abstract: Introduction: The validation of the neurological disorders depression inventory (NDDI-E) has been carried out in several countries; however, this process has not been carried out in Cuba. Therefore, the objective was to determine the reliability, construct validity, and convergent validity of the NDDI-E in a Cuban sample with epilepsy and a healthy control group. Methods: Technology development work research development innovation (I+D+i). Non probabilistic purposive sampling of 148 people (102 with epilepsies and 46 healthy control subjects). The NDDI-E and scale of the Zung and Conde pressure scale were applied. Cronbach alpha and items elimination analysis were evaluated. Exploratory factor analysis and Spearman Rho correlation between the scales was calculates, statistical significance p≤0.05. Results: Cronbach alpha was α = 0.73. The total-items correlation were > 0.300. The Kaiser Meyer Olhin (KMO = 0.70. The sphericity of Bartlett = 0.000. The exploratory factor analysis identified a bifactorial structure. A positive correlation was obtained between the NDDI-E and the Zung and Conde scale (Spearman Rho = 0.902, p

Keywords: Major depressive episode; epilepsy; reliability; validity (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:cwh:ijneur:v:60:y:2026:id:127

DOI: 10.62486/ijn2026127

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