Differential Item Functioning and Clinical Utility of the Subjective Memory Complaints Questionnaire in a Multi-Ethnic Cohort.

Introduction: This study evaluated the psychometric properties of the Subjective Memory Complaints Questionnaire (SMCQ) in a non-Hispanic White (NHW) and Mexican American (MA) sample from Texas in the USA.

Methods: Data were obtained from the Health and Aging Brain Study - Health Disparities (HABS-HD; N = 1,691, age = 66.5 ± 8.