{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T21:38:06Z","timestamp":1790890686530,"version":"4.1.0"},"reference-count":32,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2023,1,19]],"date-time":"2023-01-19T00:00:00Z","timestamp":1674086400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Geriatrics Gerontology Int"],"published-print":{"date-parts":[[2023,2]]},"abstract":"<jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>Although the validity of the assessment in older adults has been supported by several studies, cross\u2010sectional and longitudinal relationships between phase angle (PhA) and physical function by sex have not been clarified. This study aimed to examine (i) cross\u2010sectional relationships and (ii) longitudinal relationships between PhA and physical function in older adults.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A total of 816 and 445 community\u2010dwelling older adults were included in cross\u2010sectional and longitudinal analyses, respectively. We evaluated their physical function using grip strength, 5\u2010repetition sit\u2010to\u2010stand test (5\u2010STS), 5\u2010meter habitual walk, Timed Up and Go test (TUG), single\u2010leg balance with eyes open, and sit\u2010and\u2010reach test. A multifrequency bioelectrical impedance analyzer was used to determine the PhA at 50\u2009kHz as well as the participants' body composition.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In the cross\u2010sectional analysis, a higher PhA was significantly associated with higher grip strength, sit\u2010and\u2010reach, single\u2010leg balance with eyes open, 5\u2010STS and lower TUG in women, as well as higher grip strength, single\u2010leg balance with eyes open, lower 5\u2010STS and TUG in men, adjusting for age, body mass index and muscle mass. In the longitudinal analysis, there was a significant interaction between PhA and year in the TUG test (\n                      <jats:italic>B<\/jats:italic>\n                      \u00a0=\u00a0\u22120.08; 95% CI, \u22120.136 to \u22120.025;\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a00.005) in men. There was no significant interaction between the PhA value and year for the other physical functions.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      The PhA is a useful indicator for assessing physical function in both older men and women. Furthermore, the PhA may be able to predict mobility limitation in older men.\n                      <jats:bold>Geriatr Gerontol Int 2023; 23: 141\u2013147<\/jats:bold>\n                      .\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ggi.14532","type":"journal-article","created":{"date-parts":[[2023,1,19]],"date-time":"2023-01-19T04:14:51Z","timestamp":1674101691000},"page":"141-147","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Cross\u2010sectional and longitudinal study of the relationship between phase angle and physical function in older adults"],"prefix":"10.1111","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2552-3882","authenticated-orcid":false,"given":"Yujiro","family":"Asano","sequence":"first","affiliation":[{"name":"Master's Program in Physical Education, Health and Sport Sciences, Degree Programs in Comprehensive Human Sciences, Graduate School of Comprehensive Human Sciences University of Tsukuba  Tsukuba Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8408-6619","authenticated-orcid":false,"given":"Taishi","family":"Tsuji","sequence":"additional","affiliation":[{"name":"Faculty of Health and Sport Sciences University of Tsukuba  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mijin","family":"Kim","sequence":"additional","affiliation":[{"name":"R&amp;D Center for Tailor\u2010Made QOL University of Tsukuba  Tsukuba Japan"},{"name":"Food Research Institute National Agriculture and Food Research Organization  Tsukuba Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koki","family":"Nagata","sequence":"additional","affiliation":[{"name":"Doctoral Program in Public Health, Degree Programs in Comprehensive Human Sciences, Graduate School of Comprehensive Human Sciences University of Tsukuba  Tsukuba Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyohei","family":"Shibuya","sequence":"additional","affiliation":[{"name":"R&amp;D Center for Tailor\u2010Made QOL University of Tsukuba  Tsukuba Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Korin","family":"Tateoka","sequence":"additional","affiliation":[{"name":"Doctoral Program in Physical Education, Health and Sports Sciences, Graduate School of Comprehensive Human Sciences University of Tsukuba  Tsukuba Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomohiro","family":"Okura","sequence":"additional","affiliation":[{"name":"R&amp;D Center for Tailor\u2010Made QOL University of Tsukuba  Tsukuba Japan"},{"name":"Faculty of Health and Sport Sciences University of Tsukuba  Tsukuba 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