Sleep Hygiene Index: Dimensionality, internal consistency, and nomological validity among Colombian medical students

• Adalberto Campo-Arias ^[1] ; John Carlos Pedrozo-Pupo ^[1] ; Carmen Cecilia Caballero-Domínguez ^[1]
  1. [1] Universidad del Magdalena

     Universidad del Magdalena

     Colombia

     
• Localización: Informes Psicológicos, ISSN-e 2422-3271, ISSN 2145-3535, Vol. 24, Nº. 2, 2024, págs. 103-116
• Idioma: inglés
• DOI: 10.18566/infpsic.v24n2a06
• Títulos paralelos:
  • Índice de Higiene del Sueño: Dimensionalidad, consistencia interna y validez nomológica en estudiantes de medicina colombianos
• Enlaces
  • Texto completo (pdf)
• Resumen
  • español

    El objetivo fue determinar la dimensionalidad, consistencia interna y validez nomológica del Índice de Higiene del Sueño (IHS-10) en estudiantes de medicina de Santa Marta, Colombia. Se diseñó un estudio psicométrico en el que participaron 309 estudiantes de medicina entre 18 y 39 años (20,83±2,68) y el 54,69% eran mujeres. La validez de constructo se probó mediante análisis factorial confirmatorio, consistencia interna y validez nomológica mediante correlaciones con las Escalas de Insomnio de Atenas, Somnolencia de Epworth, Trastorno de Ansiedad Generalizada y el Cuestionario de Salud del Paciente. La estructura de cuatro dimensiones del IHS-10 mostró adecuada de bondad de ajuste; empero, la consistencia interna de las dimensiones fue inferior a .70 y la validez nomológica limitada (menor de .30). En conclusión, las cuatro dimensiones del IHS-10 presentan baja consistencia interna y validez nomológica limitada. Se necesitan más estudios para demostrar el rendimiento psicométrico del IHS-10.

  • English

    This study aimed to determine the dimensionality, internal consistency, and nomological validity of the Sleep Hygiene Index (SHI-10) among medical students in Santa Marta, Colombia. A psychometric study was designed to determine indicators of validity and reliability in which 309 medical students between 18 and 39 years (20.83±2.68) and 54.69% were female. Construct validity was tested through confirmatory factor analysis, internal consistency, and nomological validity through correlations with the Athens Insomnia Scale, Epworth Sleepiness Scale, Generalized Anxiety Disorder, and Patient Health Questionnaire. The four-dimensional structure of the SHI-10 showed adequate indicators of goodness of fit; however, the internal consistency of the four dimensions was less than .70 and limited nomological validity (less than .30). In conclusion, the four dimensions of the SHI-10 present low internal consistency and limited nomological validity. More studies are needed to show the psychometric performance of the SHI-10.

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