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The Five-Factor Obsessive\u2013Compulsive Inventory\u2013Short Form (FFOCI-SF) is a brief, dimensional instrument designed to assess OCPD-related traits within the five-factor model framework. This study aimed to adapt and validate the Swedish FFOCI-SF and to examine its psychometric functioning in adults with and without elevated eating disorder symptoms.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Adults (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009395) completed the FFOCI-SF, NEO-PI-3, DIP-Q, and EDE-Q. Psychometric properties were examined using a multimethod approach integrating structural equation modeling and classical test theory.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A revised 10-factor, 41-item model, reflecting the merger of three facets (C1\u2013C3), demonstrated improved fit, clearer factor delineation, and acceptable-to-excellent internal consistencies (\u03b1\u2009=\u20090.66\u20130.93). Convergent and discriminant validity were supported, and facet intercorrelations broadly aligned with theoretical expectations. Full measurement invariance was not supported; however, reliability, facet intercorrelations, and associations with external criteria were broadly similar across groups. Preliminary group comparisons suggested higher scores across most facets among participants with elevated eating disorder symptoms.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The revised Swedish FFOCI-SF demonstrates promising psychometric properties and a clinically interpretable 10-facet structure as a dimensional measure of OCPD traits. The findings further provide initial evidence for its applicability in eating disorder samples.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12888-026-08355-9","type":"journal-article","created":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T13:09:30Z","timestamp":1784120970000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Adaptation and validation of the Swedish Five Factor Obsessive-Compulsive Inventory-Short Form in adults with and without eating disorder psychopathology"],"prefix":"10.1186","volume":"26","author":[{"given":"Ivan","family":"Ejdemyr","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miguel","family":"Inzunza","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirsten","family":"Gilbert","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Johanna","family":"Levallius","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Magnus","family":"Sj\u00f6gren","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,7,15]]},"reference":[{"key":"8355_CR1","doi-asserted-by":"crossref","unstructured":"American Psychiatric Association. 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