¿Afecta la forma de puntuación la estructura factorial del GHQ-12? Estudio exploratorio en estudiantes iberoamericanos

Translated title of the contribution: Does the GHQ-12 scoring system affect its factor structure? An exploratory study of Ibero American students

Alfonso Urzúa, Alejandra Caqueo-Urízar, Mariana Bargsted, Matías Irarrázaval

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

This study aimed to evaluate whether the scoring system of the General Health Questionnaire (GHQ-12) alters the instrument’s factor structure. The method considered 1,972 university students from nine Ibero American countries. Modeling was performed with structural equations for 1, 2, and 3 latent factors. The mechanism for scoring the questions was analyzed within each type of structure. The results indicate that models with 2 and 3 factors show better goodness-of-fit. In relation to scoring mechanisms, procedure 0-1-1-1 for models with 2 and 3 factors showed the best fit. In conclusion, there appears to be a relationship between the response format and the number of factors identified in the instrument’s structure. The model with the best fit was 3-factor 0-1-1-1-formatted, but 0-1-2-3 has acceptable and more stable indicators and provides a better format for two- and three-dimensional models.

Translated title of the contributionDoes the GHQ-12 scoring system affect its factor structure? An exploratory study of Ibero American students
Original languagePortuguese
Pages (from-to)1305-1312
Number of pages8
JournalCadernos de Saude Publica
Volume31
Issue number6
DOIs
StatePublished - 1 Jan 2015

Keywords

  • Questionnaires
  • Statistical factors analysis
  • Statistical models

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