Korean J Rehabil Nurs.  2016 Dec;19(2):71-81. 10.7587/kjrehn.2016.19.2.71.

Influence of Cognitive Function and Depressive Symptoms on Instrumental Activities of Daily Living in Community-dwelling Older Adults

  • 1Graduate School, College of Nursing, Chungnam National University, Deajeon, Korea.
  • 2College of Nursing, Chungnam National University, Deajeon, Korea. yssong87@cnu.ac.kr


The purpose of this study was to explore the influence of cognitive function and depressive symptoms on instrumental activities of daily living (IADL) in addition to identify the factors associated with IADL in community-dwelling older adults.
This was a descriptive study with cross-sectional design. Data were collected from July 2013 to June 2014. A total of 143 participants without dementia, depression and disability were enrolled in this study. Cognitive function was measured using Seoul verbal learning test (SVLT), digital span (forward/backward) and fist-edge-palm test. The Korean-IADL and Short Geriatric Depression Scale (S-GDS) were used. Data analysis was performed using descriptive statistics, t-test, ANOVA, Pearson's correlation coefficient, and hierarchical regression.
Overall, a multiple regression model revealed that approximately 27.4% of total variability in IADL in the sample of community-dwelling older adults could be explained by the significant 12 variables in this model (R²=0.274, F=5.467, p<.001). Age, having religion and cognitive function were the predictors of IADL in community-dwelling older adults.
This study suggest that we need to monitor cognitive function in older to maintain the ability for IADL in older adults. Also, individualized program for improving older adults' IADL should be included in nursing intervention.


Aged; Cognition; Depression; Instrumental activities of daily living
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