대한간호학회지 (Journal of Korean Academy of Nursing)

한국간호과학회 (Korean Society of Nursing Science)
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고령화연구패널조사를 이용한 경도인지장애 예측모형

Prediction Models of Mild Cognitive Impairment Using the Korea Longitudinal Study of Ageing

  • Park, Hyojin (Nursing Department of Neurosurgery, Dong-Eui Medical Center) ;
  • Ha, Juyoung (College of Nursing, Pusan National University)
  • 투고 : 2019.06.04
  • 심사 : 2020.01.30
  • 발행 : 2020.04.30
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초록

Purpose: The purpose of this study was to compare sociodemographic characteristics of a normal cognitive group and mild cognitive impairment group, and establish prediction models of Mild Cognitive Impairment (MCI). Methods: This study was a secondary data analysis research using data from "the 4th Korea Longitudinal Study of Ageing" of the Korea Employment Information Service. A total of 6,405 individuals, including 1,329 individuals with MCI and 5,076 individuals with normal cognitive abilities, were part of the study. Based on the panel survey items, the research used 28 variables. The methods of analysis included a χ2-test, logistic regression analysis, decision tree analysis, predicted error rate, and an ROC curve calculated using SPSS 23.0 and SAS 13.2. Results: In the MCI group, the mean age was 71.4 and 65.8% of the participants was women. There were statistically significant differences in gender, age, and education in both groups. Predictors of MCI determined by using a logistic regression analysis were gender, age, education, instrumental activity of daily living (IADL), perceived health status, participation group, cultural activities, and life satisfaction. Decision tree analysis of predictors of MCI identified education, age, life satisfaction, and IADL as predictors. Conclusion: The accuracy of logistic regression model for MCI is slightly higher than that of decision tree model. The implementation of the prediction model for MCI established in this study may be utilized to identify middle-aged and elderly people with risks of MCI. Therefore, this study may contribute to the prevention and reduction of dementia.

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피인용 문헌

  1. Influencing Factors of Subjective Cognitive Impairment in Middle-Aged and Older Adults vol.18, pp.21, 2020, https://doi.org/10.3390/ijerph182111488