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Childhood trauma, somatization, depressive rumination, cognitive reappraisal, and expressive suppression were assessed by the Childhood Trauma Questionnaire (CTQ), Symptom Checklist-90-Revision (SCL-90-R), Korean-Ruminative Response Scale (K-RRS), and Emotion Regulation Questionnaire (ERQ), respectively.Results Childhood trauma was associated with somatization symptoms mediated by depressive rumination and cognitive reappraisal. In particular, emotional abuse was positively associated with somatization mediated by a depressive rumination. However, the mediating effect of expressive suppression on the relationship between childhood trauma and somatization was not significant.Conclusion These findings suggest that depressive rumination is a key element affecting somatization symptoms in clinical patients who experienced emotional abuse.<\/jats:p>","DOI":"10.30773\/pi.2025.0172","type":"journal-article","created":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T01:57:44Z","timestamp":1768874264000},"page":"210-219","update-policy":"https:\/\/doi.org\/10.30773\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Association Between Childhood Trauma and Somatization in a Clinical Sample: The Mediating Roles of Rumination, Cognitive Reappraisal, and Expressive 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