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However, it is less clear whether dietary protein influences muscle strength. Data were obtained from the Researching Eating Activity and Cognitive Health (REACH) study, a cross-sectional study aimed at investigating dietary patterns, cognitive function and metabolic syndrome in older adults aged 65\u201374 years. Dietary intake was assessed using a 4-d food record and muscle strength using a handgrip strength dynamometer. After adjusting for confounders, in female older adults (<jats:italic>n<\/jats:italic>212), total protein intake (<jats:italic>\u03b2<\/jats:italic>= 0\u22c522,<jats:italic>P<\/jats:italic>&lt; 0\u22c501); protein from dairy and eggs (<jats:italic>\u03b2<\/jats:italic>= 0\u22c521,<jats:italic>P<\/jats:italic>= 0\u22c503) and plant food sources (<jats:italic>\u03b2<\/jats:italic>= 0\u22c560,<jats:italic>P<\/jats:italic>&lt; 0\u22c501); and frequently consuming at least 0\u22c54 g\/kg BW per meal (<jats:italic>\u03b2<\/jats:italic>= 0\u22c508,<jats:italic>P<\/jats:italic>&lt; 0\u22c501) were associated with higher BMI-adjusted muscle strength. However, protein from meat and fish intake and the coefficient of variance of protein intake were not related to BMI-muscle strength in female older adults. No statistically significant associations were observed in male participants (<jats:italic>n<\/jats:italic>= 113). There may be sex differences when investigating associations between protein intake and muscle strength in older adults. Further research is needed to investigate these sex differences.<\/jats:p>","DOI":"10.1017\/jns.2023.76","type":"journal-article","created":{"date-parts":[[2023,8,23]],"date-time":"2023-08-23T09:38:44Z","timestamp":1692783524000},"source":"Crossref","is-referenced-by-count":9,"title":["Associations of protein intake, sources and distribution on muscle strength in community-dwelling older adults living in Auckland, New Zealand"],"prefix":"10.1017","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3979-7948","authenticated-orcid":false,"given":"Anne N.","family":"Hiol","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pamela R.","family":"von Hurst","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cathryn A.","family":"Conlon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1825-1927","authenticated-orcid":false,"given":"Kathryn L.","family":"Beck","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2023,8,23]]},"reference":[{"key":"S2048679023000769_ref35","unstructured":"35. 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