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The Association Between Cognitive Impairment and Anthropometric Indices Among the Elderly: Birjand Longitudinal Aging Study Publisher



Ramezani Kashal F1 ; Nouredini G2 ; Hezaveh ZS3 ; Fakhrzadeh H1 ; Moodi M4, 5 ; Khorashadizadeh M4 ; Khodabakhshi H4 ; Arzaghi SM1 ; Ebrahimpour M1 ; Payab M6 ; Ejtahed HS7 ; Sharifi F1
Authors
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Authors Affiliations
  1. 1. Elderly Health Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
  4. 4. Social Determinants of Health Research Center, Birjand University of Medical Sciences, Birjand, Iran
  5. 5. School of Health, Birjand University of Medical Sciences, Birjand, Iran
  6. 6. Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  7. 7. Obesity and Eating Habits Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Diabetes and Metabolic Disorders Published:2024


Abstract

Background: The population of older adults has been consistently on the rise. We aimed to assess the possible relationship between cognitive decline and anthropometric indices in older adults, using data from the Birjand longitudinal aging study (BLAS). Methods: In this cross-sectional research, the association between cognitive impairment as determined by two tests (Six Item Cognitive Impairment Test (6-CIT)) and (Mini-Mental State Examination (MMSE)) and anthropometric indices including waist circumference (WC), body mass index (BMI), waist to height ratio (WHtR), waist to hip ratio (WHR), body roundness index (BRI), and a body shape index (ABSI) were assessed among 1353 elderly ≥ 60 years old, participating in the BLAS cohort study (September 2018 to April 2019). Ordinal and binary logistic regression were used for analysis. Results: According to the MMSE test, 58.3% of participants had cognitive impairment, while this frequency was 64.2% based on the 6-CIT test. A significant reverse association was observed between cognitive decline according to the 6-CIT test and BMI, WHR, and WC (P < 0.05). Cognitive impairment, according to MMSE, was inversely associated with WC and directly associated with WHtR and ABSI in the crude model, which disappeared after adjustment for confounders. BRI was not significantly related to any of the cognitive tests. According to BMI and WC, overweight and obesity could reduce the risk of cognitive impairment. Conclusions: Overall, the result of this study showed that the risk of cognitive decline decreased among the elderly as BMI, WC, and WHR increased. © The Author(s), under exclusive licence to Tehran University of Medical Sciences 2024.
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