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Cited by 78Nutrition and Health in AgingFrailty in Older AdultsBody Composition Measurement Techniques

What is the Optimal Body Mass Index Range for Older Adults?

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Kıskaç, Muharrem, Soysal, Pinar, Smith, Lee, Capar, Emre, Zorlu, Mehmet·2022·Annals of Geriatric Medicine and Research
DOI 10.4235/agmr.22.0012PMC PMC8984168
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Abstract

Background: Obesity is pathophysiologically complex in older adults compared to that in young and middle-aged adults. The aim of the present study was to determine the appropriate body mass index (BMI) range based on geriatric evaluation parameters in which complications can be minimized in older adults. Methods: A total of 1,051 older adult patients who underwent comprehensive geriatric assessment were included. The patients’ demographic characteristics, comorbid diseases, number of drugs, BMI, basic and instrumental activities of daily living (BADL and IADL), Tinetti balance and walking scale, Mini Nutritional Assessment, Geriatric Depression Scale-15, Mini-Mental State Examination, Time Up and Go test, and handgrip strength measurement were extracted from patient records.Results: Of the patients who took part, 73% were female, and the mean age was 77.22±7.10 years. The most negative results were observed in those with a BMI <25 kg/m2 and in those with a BMI >35 kg/m2. Receiver operating characteristic (ROC) analysis of the optimum BMI cutoff levels to detect the desirable values of geriatric assessment parameters was found to be 31–32 and 27–28 kg/m2 for female and male, respectively.Conclusion: Older adults with BMI <25 and >35 kg/m2 were at a higher risk of a decrease in functional capacity, and experienced gait and balance problems, fall risk, decrease in muscle strength, and malnutrition. Data from this study suggest that the optimum range of BMI levels for older adults is 31–32 and 27–28 kg/m2 for female and male, respectively.

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  • BMI cut-offs may not hold the same predictive value for individuals over the age of 65 as they do for younger adults, and modest overweight status may not carry the same health implications for the older population.

    “BMI cut-offs may not hold the same predictive value for individuals over the age of 65 as they do for younger adults, as modest overweight status may not carry the same health implications for the older population [31].”

    From Advantages and Limitations of the Body Mass Index (BMI) to Assess Adult Obesity (2024) · cites this paper as [31]

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Authors
Kıskaç, M., Soysal, P., Smith, L., Capar, E., & Zorlu, M.
Affiliations
  • Bezmiâlem Vakıf Üniversitesi (TR)
  • Anglia Ruskin University (GB)
Corresponding author
Kıskaç, Muharrem
ORCID
Venue
Annals of Geriatric Medicine and Research
Publisher
The Korean Geriatrics Society
Published
2022-03-31
Volume
26
Issue
1
Pages
49-57
ISSN
  • 2508-4798 (ISSN-L)
  • 2508-4909
DOI
10.4235/agmr.22.0012
PMC
PMC8984168
OpenAlex
W4221108949
Cited by
78
References
1
Citations by year
2026: 14 · 2025: 24 · 2024: 31 · 2023: 9
FWCI
10.22
Type
journal article
Language
en
Open access
Licence
Locations
  • Annals of Geriatric Medicine and Research (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Anglia Ruskin Research Online (Anglia Ruskin University) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by-nc-nd)
Topics
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Health Sciences › Medicine › Geriatrics and Gerontology › Frailty in Older Adults
  • Health Sciences › Medicine › Physiology › Body Composition Measurement Techniques
Keywords
body mass index, older adults, obesity, comprehensive geriatric assessment, functional capacity, activities of daily living, gait and balance, fall risk, muscle strength, grip strength, malnutrition, sex differences

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