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Using a subset of the sample, exploratory factor analysis (EFA) was conducted to identify underlying factor structures, followed by confirmatory factor analysis (CFA) to confirm the model fit within each population in the remainder of the sample. Multi\u2010group confirmatory factor analysis (MG\u2010CFA) was used to assess measurement invariance across transgender men, transgender women, and gender\u2010diverse individuals.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The EPSI's eight\u2010factor structure was supported across all three TGD groups with strong model fit: transgender men (CFI\u2009=\u20090.985, RMSEA\u2009=\u20090.047, SRMR\u2009=\u20090.078), transgender women (CFI\u2009=\u20090.948, RMSEA\u2009=\u20090.048, SRMR\u2009=\u20090.085), and gender\u2010diverse individuals (CFI\u2009=\u20090.962, RMSEA\u2009=\u20090.040, SRMR\u2009=\u20090.060). Measurement invariance analyses supported that the EPSI was invariant across the groups, facilitating meaningful group comparisons using the inventory. Internal consistency, assessed using McDonald's omega, was acceptable for all subscales (<jats:italic>\u03c9<\/jats:italic>\u2009=\u20090.74\u20130.94).<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion<\/jats:title><jats:p>This study provides psychometric support for the EPSI in TGD groups. The results indicate that the EPSI performs reliably and consistently across these groups for assessing eating pathology among gender minority people.<\/jats:p><\/jats:sec>","DOI":"10.1002\/eat.24433","type":"journal-article","created":{"date-parts":[[2025,4,5]],"date-time":"2025-04-05T15:06:16Z","timestamp":1743865576000},"page":"1265-1277","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Factor Structure, Internal Consistency, and Measurement Invariance of the Eating Pathology Symptoms Inventory (<scp>EPSI<\/scp>) in Transgender and Gender\u2010Diverse Adults"],"prefix":"10.1002","volume":"58","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6541-0604","authenticated-orcid":false,"given":"Jason M.","family":"Nagata","sequence":"first","affiliation":[{"name":"Department of Pediatrics University of California, San Francisco  San Francisco California 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