Validation of an instrument to measure knowledge, assessment and usability of a mobile application on health and nutrition of native foods of Peru

Romero D.; Vildózola H.; Lazo E.; Nolberto V. · Anales de la Facultad de Medicina (2024) · DOI: 10.15381/anales.v85i2.28431

Resumen

Introduction. The use of digital tools for health is a widespread practice. Objective. Determine the content validity and reliability of an instrument for measuring knowledge, appreciation, and usability of a mobile health and nutrition application with a database of native foods from Peru. Methods. A questionnaire of 8 questions was designed and applied to 32 participants randomly selected from adult patients at the Amistad Peru Korea Bellavista Health Center, Callao, who usually use cell phones with internet access and who use mobile applications. Results.The dichotomous items of the knowledge dimension had a KR20 of 0.72, in the appraisal dimension a Cronbach’s alpha coefficient of 0.74 was obtained and the usability dimension obtained a Cronbach’s alpha coefficient of 0.75. Conclusions. The instrument demonstrated high reliability in the three dimensions and has internal validity and adequate reliability to be applied.

Instituciones: Universidad Nacional Mayor de San Marcos