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KMID : 0869220180220020055
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Journal of Korean Geriatric Psychiatry
2018 Volume.22 No. 2 p.55 ~ p.63
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Subjective Age and Cognitive Functioning in Old Age
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Suk Jung-Min
Lee Sue-Kyung
Kim Ho-Young
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Abstract
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Objective：The present study has examined whether subjective age would be associated with cognitive functioning in older adults.
Methods：Data from the third wave of Korean Social Life, Health, and Aging Project were used. This study was conducted with 152 older adults aged 60-89 years (mean=72.26, standard deviation=6.41) who completed measures of subjective age, Mini-Mental State Examination for Dementia Screening, Elderly Verbal Learning Test, Digit Span Test, Korean-Color Word Stroop Test, Trail Making Test, Verbal Fluency Test, Korean Boston Naming Test-Short form. The association of subjective age and cognitive functioning was analyzed using hierarchical regression analysis. Sex, depression, and chronological age were included as control variables.
Results：Hierarchical regression analysis revealed that a younger subjective age was associated with better processing speed, immediate memory, and executive function respectively. Even after controlling for chronological age, depression, and sex, the subjective age was associated with cognitive functioning in old age.
Conclusion：Beyond chronological age, the subjective experience of age was associated with cognitive aging.
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KEYWORD
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Subjective age, Processing speed, Immediate memory, Executive function, Cognitive function
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