The factors associated with subjective cognitive decline and cognitive function among older adults

Aims To explore the risk factors for subjective cognitive decline and cognitive function among older adults in South Korea. Design This study employed a descriptive cross‐sectional design. Methods A convenience sample of 182 patients was recruited from a senior welfare center in Seoul. The mean age of the participants was 78.4 years (SD 5.91). Among them, 64.3% were women. The data were collected by a trained research assistant using structured questionnaires from September 2016–February 2017. Demographic characteristics, comorbidities, depression, physical and cognitive activity levels, instrumental activities of daily living, subjective cognitive decline, and cognitive function were assessed. Student's t tests, chi‐square tests, and hierarchical multiple regression analyses were used for statistical analyses. Results The findings revealed that 37.4% of the participants were not cognitively intact. Depression, perceived health status, and cognitive function were significantly associated with subjective cognitive decline (F = 7.10, p