A Rasch analysis between schizophrenic patients and the general population

Abstract

The aim of this study was to test the General Oral Health Assessment Index Questionnaire (GOHAI) items for differential item functioning (DIF) according to demographic characteristics (gender, age) and mental health status (schizophrenic disorders versus general population) using Rasch analysis.

Keywords

• differential item functioning
• schizophrenia
• oral health
• rasch analysis
• oral health related quality of life