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Subjective age has been shown to be associated with health status, well-being and quality of life in older adults, but little is known about the relationship between actual physical and cognitive function and subjective age. The aim of this cross-sectional study was to determine the association between self-reported subjective physical and cognitive age, and actual physical and cognitive functions among community-dwelling older people aged 75 and older. Two hundred and seventy-one older adults (age: 75-91 years) were asked two different types of subjective age including physical and cognitive age using the following questions: “How old do you feel your physical age?” and “How old do you feel your cognitive age?” We measured handgrip strength, knee extension strength, standing balance and walking speed to assess actual physical functions and attention, executive function, processing speed and memory, to assess actual cognitive functions. Subjective physical and cognitive age was associated with performance on all of the physical and cognitive tests, respectively (p < 0.01). We also found that older adults who reported themselves as feeling older than their chronological age had a slower walking speed and lower scores for word-list memory than those who did not report themselves as feeling older than their actual age. These findings suggest that walking speed and memory function are associated with health status, and may mediate well-being and quality of life in community-dwelling older people aged 75 years and older.
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