{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T03:25:01Z","timestamp":1791343501164,"version":"4.3.1"},"reference-count":45,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2023,3,21]],"date-time":"2023-03-21T00:00:00Z","timestamp":1679356800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"North Dublin Home Care, a non-profit organization in Ireland","award":["20076245"],"award-info":[{"award-number":["20076245"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>(1) Background\/Objectives: The relationship between body mass index (BMI) and probable sarcopenia, a precursor to sarcopenia diagnosis, is unclear. While low BMI has been associated with sarcopenia risk, some evidence suggests that obesity may confer protection. We aimed to investigate the association between probable sarcopenia and BMI and, furthermore, to explore associations with waist circumference (WC). (2) Methods: This cross-sectional study included 5783 community-dwelling adults (mean age 70.4 \u00b1 7.5 years) from Wave 6 of the English Longitudinal Study of Ageing (ELSA). Probable sarcopenia was defined using the European Working Group on Sarcopenia in Older People (EWGSOP2) criteria for low hand grip strength and\/or slow chair rise. Associations between BMI and probable sarcopenia were examined using multivariable regression analysis and were similarly performed for WC. (3) Results: Our overall findings show that an underweight BMI was significantly associated with an increased likelihood of probable sarcopenia [OR (CI) 2.25 (1.17, 4.33), p = 0.015]. For higher BMI categories, the findings were conflicting. Overweight and obesity were associated with an increased likelihood of probable sarcopenia when defined by lower limb strength alone, [OR (CI), 2.32 (1.15, 4.70), p = 0.019; 1.23 (1.02, 1.49), p = 0.35, and 1.49 (1.21, 1.83), p &lt; 0.001, respectively]. In contrast, overweight and obesity appeared protective when probable sarcopenia was assessed by low hand grip strength alone [OR (CI) 0.72 (0.60, 0.88), p = 0.001, and 0.64 (0.52, 0.79), p &lt; 0.001, respectively]. WC was not significantly associated with probable sarcopenia on multivariable regression analysis. (4) Conclusion: This study supports the evidence that low BMI is associated with an increased likelihood of probable sarcopenia, highlighting an important at-risk group. The findings for overweight and obesity were inconsistent and may be measurement dependent. It seems prudent that all older adults at risk of probable sarcopenia, including those with overweight\/obesity, are assessed to prevent underdetection of probable sarcopenia alone or with the double burden of obesity.<\/jats:p>","DOI":"10.3390\/nu15061505","type":"journal-article","created":{"date-parts":[[2023,3,21]],"date-time":"2023-03-21T03:15:03Z","timestamp":1679368503000},"page":"1505","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":117,"title":["Associations between Body Mass Index and Probable Sarcopenia in Community-Dwelling Older Adults"],"prefix":"10.3390","volume":"15","author":[{"given":"Molly","family":"Curtis","sequence":"first","affiliation":[{"name":"Department of Clinical Medicine, School of Medicine, Trinity Centre for Health Sciences, St. James\u2019s Healthcare Campus, Trinity College Dublin, D08 W9RT Dublin, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1117-3316","authenticated-orcid":false,"given":"Lauren","family":"Swan","sequence":"additional","affiliation":[{"name":"Department of Clinical Medicine, School of Medicine, Trinity Centre for Health Sciences, St. James\u2019s Healthcare Campus, Trinity College Dublin, D08 W9RT Dublin, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6167-1981","authenticated-orcid":false,"given":"Rebecca","family":"Fox","sequence":"additional","affiliation":[{"name":"Department of Clinical Medicine, School of Medicine, Trinity Centre for Health Sciences, St. James\u2019s Healthcare Campus, Trinity College Dublin, D08 W9RT Dublin, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5970-721X","authenticated-orcid":false,"given":"Austin","family":"Warters","sequence":"additional","affiliation":[{"name":"Older Person Services, Dublin North City and County Community Health Organisation, The Health Service Executive, D09 C8P5 Dublin, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1152-979X","authenticated-orcid":false,"given":"Maria","family":"O\u2019Sullivan","sequence":"additional","affiliation":[{"name":"Department of Clinical Medicine, School of Medicine, Trinity Centre for Health Sciences, St. James\u2019s Healthcare Campus, Trinity College Dublin, D08 W9RT Dublin, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,3,21]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (2020). 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