Validation of the Spanish version of the Memory Failures of Everyday questionnaire in older adults using Rasch analysis.

Aim: The Memory Failures of Everyday (MFE) is a widely used instrument for assessing memory failure. The aim of the study was to analyze the MFE items using the Rasch model in a sample of cognitively older adults in Spain.

Methods: A cross-sectional validation study in a sample of 214 healthy people aged ≥60 years who used centers for older people in Madrid (Spain).

Validation of the De Jong Gierveld Loneliness Scale, 6-item version, in a multiethnic population of Chilean older adults.

Objective: To analyse the psychometric properties of the De Jong Gierveld Loneliness Scale, 6-item version (DJGLS-6), in a multiethnic sample of older Chilean adults.

Methods: A cross-sectional study was designed using a sample of 800 older people, and 71% were self-declared indigenous. Data quality and acceptability, internal consistency, and construct and structural validity of DJGLS-6 were analysed.

Multi-ethnic validation of 15-item Geriatric Depression Scale in Chile.

Background: There has been scant research published regarding the assessment of depression in ethnic groups, and few studies have addressed the validation of scales for standardized assessment of depressive symptoms among indigenous minorities.

Objective: The aim of this study was to analyze the psychometric properties of the 15-item Geriatric Depression Scale (GDS-15) for a multi-ethnic sample of older Chilean adults.

Methods: Cross-sectional study with a sample of 800 older people, 71% of whom were self-declared indigenous (Aymara/Mapuche).