Abstract

Objective: To determine the face validity, construct validity and reliability of the Spanish version of the IDAF-4C + in older adults, patients in two primary health care from the Metropolitan Region, Chile. Material and methods: Descriptive cross-sectional study, 42 older adults from two primary health care centres from the Metropolitan Region set up the sample. Face validity was determined by experts’ judgment, construct validity was determined by a confirmatory factorial analysis and reliability was determined by internal consistency exploratory through Cronbach’s alfa. Results: The experts did not modify the Spanish version of the IDAF-4C+. The factorial analysis confirmed the presence of only one factor which explains the 60,1% of the variance, and Cronbach’s alfa resulted in 0,901, considered as excellent. Conclusions: The Spanish version of IDAF-4C+ is valid and reliable for the measurement of dental anxiety and fear and its use is recommended among older adults who visit primary health care centres in the Metropolitan Region.