Abstract
Given the evidence missing from validity studies that replicate the internal structure of the Mental Health Inventory - 5 (MHI-5) in Peruvian adolescents, this study performs a preliminary evaluation of the psychometric properties of MHI-5, specifically its internal structure. The sample was 75 students of both sexes from a private high school-level educational institution, in the Casma city (Lima, Peru). The analysis was performed by applying a confirmatory factor analysis approach within the modeling of structural equations. A single significant dimension was found to be viable for interpreting the scores, but the fit was substantially improved when a factor was introduced that represented the effect of two item negative phrasing. On the other hand, the internal consistency was greater than .70, and it is considered satisfactory given its brevity. It is concluded that the MHI-5 maintains the essential one-dimensionality, but it is required to introduce the possible effect of the method due to the content of some of its items. Consistency reliability was acceptable for screening purposes. The following steps are discussed to accumulate more validity evidence, suggesting to develop a shorter version without the problematic items, to reduce the potential response bias.
Highlights
Dado que los adolescentes son un grupo que se enfrenta a diversos problemas psicosociales que pueden afectar su salud mental [5] y que, aparentemente aún no hay estudios publicados sobre las propiedades psicométricas del Mental Health Inventory - 5 (MHI-5) en peruanos y menos aún en adolescentes, el objetivo de este estudio es realizar una evaluación preliminar de las propiedades psicométricas en una muestra de adolescentes estudiantes de educación regular del nivel secundaria
Considerando que la presencia de ítems fraseados en dirección opuesta parece producir variabilidad de respuesta en los adolescentes, es plausible que se requiera remover estos ítems y producir una versión del MHI-5 más breve y liberado de este potencial problema; o aplicar un método que controle este efecto cuando se use el puntaje total para la investigación o la práctica profesional
Validez y confiabilidad del Mental Health Inventory - 5 (MHI-5) para evaluar la depresión de mujeres en primer nivel de atención de Salud Mental
Summary
The sample was 75 students of both sexes from a private high school-level educational institution, in the Casma city (Lima, Peru). The analysis was performed by applying a confirmatory factor analysis approach within the modeling of structural equations. Results A single significant dimension was found to be viable for interpreting the scores, but the fit was substantially improved when a factor was introduced that represented the effect of two item negative phrasing. The internal consistency was greater than .70, and it is considered satisfactory given its brevity
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