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The best predictor of Cognitive Failure was low intake of vitamin D – Feb 2020

Incidence and Predictors of Cognitive Frailty Among Older Adults: A Community-based Longitudinal Study

Int J Environ Res Public Health, 17 (5) 2020 Feb 28, DOI: 10.3390/ijerph17051547
Nurul Fatin Malek Rivan 1, Suzana Shahar 2, Nor Fadilah Rajab 3, Devinder Kaur Ajit Singh 4, Normah Che Din 5, Hazlina Mahadzir 6, Noor Ibrahim Mohamed Sakian 7, Wan Syafira Ishak 8, Mohd Harimi Abd Rahman 9, Zainora Mohammed 9, Yee Xing You 2


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Background: Cognitive frailty (CF) is the simultaneous presence of physical frailty and cognitive impairment with an increased risk of dementia. Considering that the risk factors of CF are mostly elucidated from cross-sectional studies, we conducted a community-based longitudinal study to determine the incidence and the predictors of CF among Malaysian older adults.;

Methods: Out of 490 older adults participating in the Malaysian Towards Useful Aging (TUA) study, 282 were successfully followed-up at five-years for an analysis of the CF incidence. CF was defined as a comorbid physical frailty (>1 Fried criteria) and mild cognitive impairment (Petersen criteria). A comprehensive interview-based questionnaire was administered for sociodemographic information, cognitive function, physical function, dietary intake, psychosocial, and biochemical indices. Univariate analyses were performed for each variable, followed by a regression analysis to identify the predictors of CF that accounted for confounding effects between the studied factors;

Results: The incidence rate of CF was 7.1 per 100 person-years.

  • Advancing age (OR=1.12, 95% CI:1.04-1.21, p < 0.05),
  • depression (OR=1.20, 95% CI:1.05-1.37, p < 0.05),
  • decreased processing speed, assessed by a lower digit symbol score (OR=0.67, 95%CI:0.0.56-0.80, p < 0.05),
  • decreased functional mobility measured using Timed-Up-and-Go (TUG) (OR=1.23, 95% CI:1.04-1.46, p < 0.05),
  • (low vitamin D intake (OR:0.36, 95% CI:0.14-0.93, p < 0.05) and
  • physical frailty (OR=2.16, 95% CI:1.02-4.58, p < 0.05) were predictors for CF incidence; and

Conclusions: Our study results could be used as an initial reference for future studies to formulate effective preventive management and intervention strategies to decelerate CF development among older adults.

Created by admin. Last Modification: Wednesday March 4, 2020 14:51:50 GMT-0000 by admin. (Version 2)

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