{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:27:19Z","timestamp":1787027239498,"version":"build-2736575974"},"reference-count":66,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,8,4]],"date-time":"2023-08-04T00:00:00Z","timestamp":1691107200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Psychiatry"],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Knowledge about patient characteristics predicting treatment dropout for post-traumatic stress disorder (PTSD) is scarce, whereas more understanding about this topic may give direction to address this important issue.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>\n                      Data were obtained from a randomized controlled trial in which a phase-based treatment condition (Eye Movement Desensitization and Reprocessing [EMDR] therapy preceded by Skills Training in Affect and Interpersonal Regulation [STAIR];\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200957) was compared with a direct trauma-focused treatment (EMDR therapy only;\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200964) in people with a PTSD due to childhood abuse. All pre-treatment variables included in the trial were examined as possible predictors for dropout using machine learning techniques.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>For the dropout prediction, a model was developed using Elastic Net Regularization. The ENR model correctly predicted dropout in 81.6% of all individuals. Males, with a low education level, suicidal thoughts, problems in emotion regulation, high levels of general psychopathology and not using benzodiazepine medication at screening proved to have higher scores on dropout.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Our results provide directions for the development of future programs in addition to PTSD treatment or for the adaptation of current treatments, aiming to reduce treatment dropout among patients with PTSD due to childhood abuse.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fpsyt.2023.1194669","type":"journal-article","created":{"date-parts":[[2023,8,4]],"date-time":"2023-08-04T07:34:52Z","timestamp":1691134492000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":8,"title":["Predictors of treatment dropout in patients with posttraumatic stress disorder due to childhood abuse1"],"prefix":"10.3389","volume":"14","author":[{"given":"Susanne","family":"Bremer-Hoeve","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Noortje I.","family":"van Vliet","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suzanne C.","family":"van Bronswijk","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rafaele J.C.","family":"Huntjens","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ad","family":"de Jongh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maarten K.","family":"van Dijk","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2023,8,4]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"38","DOI":"10.1111\/j.1600-0047.2004.00329.x","article-title":"Disability and quality of life impact of mental disorders in Europe: results from the European study of the epidemiology of mental disorders (ESEMeD) project","volume":"420","author":"Alonso","year":"2004","journal-title":"Acta Psychiatr Scand"},{"key":"ref2","first-page":"4","article-title":"Posttraumatic stress disorder: the burden to the individual and to society","volume":"61","author":"Kessler","year":"2000","journal-title":"J Clin Psychiatry"},{"key":"ref3","doi-asserted-by":"publisher","first-page":"915","DOI":"10.1016\/j.comppsych.2012.02.009","article-title":"A meta-analysis of the association between posttraumatic stress disorder and suicidality: the role of comorbid depression","volume":"53","author":"Panagioti","year":"2012","journal-title":"Compr Psychiatry"},{"key":"ref4","doi-asserted-by":"publisher","first-page":"242","DOI":"10.1097\/PSY.0b013e31803146d8","article-title":"Physical and mental comorbidity, disability, and suicidal behavior associated with posttraumatic stress disorder in a large community sample","volume":"69","author":"Sareen","year":"2007","journal-title":"Psychosom Med"},{"key":"ref5","doi-asserted-by":"publisher","first-page":"542","DOI":"10.1017\/S0033291720000070","article-title":"Psychological treatments for post-traumatic stress disorder in adults: a network meta-analysis","volume":"50","author":"Mavranezouli","year":"2020","journal-title":"Psychol Med"},{"key":"ref6","doi-asserted-by":"publisher","first-page":"100093","DOI":"10.1016\/j.jadr.2021.100093","article-title":"Dropout from guideline-recommended psychological treatments for posttraumatic stress disorder: a systematic review and meta-analysis","volume":"4","author":"Varker","year":"2021","journal-title":"J Affective Disorders Reports"},{"key":"ref7","first-page":"39","article-title":"Prognosis of PTSD in treated vs","volume":"12","author":"Usman","year":"2015","journal-title":"Non-Treated Groups J Pakistan Psychiatric Soc"},{"key":"ref8","doi-asserted-by":"publisher","first-page":"1818965","DOI":"10.1080\/20008198.2020.1818965","article-title":"Evidence of distinct profiles of ICD-11 post-traumatic stress disorder (PTSD) and complex PTSD in a south African sample","volume":"11","author":"Rink","year":"2020","journal-title":"Eur J Psychotraumatol"},{"key":"ref9","volume-title":"The ICD-11 for mortality and morbidity statistics. 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National Center for posttraumatic stress disorder","author":"Weathers","year":"2013"},{"key":"ref24","volume-title":"Manual for the Beck depression inventory II","author":"Beck","year":"1996"},{"key":"ref25","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1186\/s13063-018-2508-8","article-title":"Phase-based treatment versus immediate trauma-focused treatment in patients with childhood trauma-related posttraumatic stress disorder: study protocol for a randomized controlled trial","volume":"19","author":"Van Vliet","year":"2018","journal-title":"Trials"},{"key":"ref26","volume-title":"Handboek EMDR, een geprotocolleerde behandelmethode voor de gevolgen van psychotrauma [EMDR manual: A Protocolized treatment method for the consequences of Psychotrauma]","author":"De Jongh","year":"2013"},{"key":"ref27","doi-asserted-by":"publisher","first-page":"383","DOI":"10.1037\/pas0000486","article-title":"The clinician-administered PTSD scale for DSM-5 (CAPS-5): development and initial psychometric evaluation in military veterans","volume":"30","author":"Weathers","year":"2017","journal-title":"Psychol Assess"},{"key":"ref28","doi-asserted-by":"publisher","first-page":"1546085","DOI":"10.1080\/20008198.2018.1546085","article-title":"Development and evaluation of the Dutch clinician-administered PTSD scale for DSM-5 (CAPS-5)","volume":"9","author":"Boeschoten","year":"2018","journal-title":"Eur J Psychotraumatol"},{"key":"ref29","volume-title":"Structured clinical interview for DSM-IV Axis II personality disorders (SCID-II)","author":"First","year":"1997"},{"key":"ref30","doi-asserted-by":"publisher","first-page":"562","DOI":"10.1521\/pedi.17.6.562.25359","article-title":"Short-interval test-retest interrater reliability of the Dutch version of the structured clinical interview for DSM-IV personality disorders (SCID-II)","volume":"17","author":"Weertman","year":"2003","journal-title":"J Personal Disord"},{"key":"ref31","first-page":"16","article-title":"An update on the dissociative experiences scale","volume":"6","author":"Carlson","year":"1993","journal-title":"Dissociation"},{"key":"ref32","doi-asserted-by":"publisher","first-page":"365","DOI":"10.1016\/0272-7358(96)00006-2","article-title":"The measurement of dissociation in normal and clinical populations: meta-analytic validation of the dissociative experiences scale (DES)","volume":"16","author":"Van IJzendoorn","year":"1996","journal-title":"Clin Psychol Rev"},{"key":"ref33","doi-asserted-by":"publisher","first-page":"404","DOI":"10.1177\/1073191108319005","article-title":"Revision of the structured interview for disorders of extreme stress (SIDES): an exploratory and confirmatory factor analytic approach","volume":"15","author":"Scoboria","year":"2008","journal-title":"Assessment"},{"key":"ref34","doi-asserted-by":"publisher","first-page":"1399","DOI":"10.1177\/0886260506292992","article-title":"Disorders of extreme stress (DESNOS) symptoms are associated with type and severity of interpersonal trauma exposure in a sample of healthy young women","volume":"21","author":"Ford","year":"2006","journal-title":"J Interpers Violence"},{"key":"ref35","author":"Spinazzola","year":"2019"},{"key":"ref36","volume-title":"Inventory of interpersonal problems","author":"Horowitz","year":"2000"},{"key":"ref37","doi-asserted-by":"publisher","first-page":"21","DOI":"10.1111\/j.2044-8260.1996.tb01159.x","article-title":"The IIP-32: a short version of the inventory of interpersonal problems","volume":"35","author":"Barkham","year":"1996","journal-title":"Br J Clin Psychol"},{"key":"ref38","doi-asserted-by":"publisher","first-page":"41","DOI":"10.1023\/B:JOBA.0000007455.08539.94","article-title":"Multidimensional assessment of emotion regulation and dysregulation: development, factor structure, and initial validation of the difficulties in emotion regulation scale","volume":"26","author":"Gratz","year":"2004","journal-title":"J Psychopathol Behav 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(PTCI)","volume":"40","author":"Van Emmerik","year":"2007","journal-title":"Gedragstherapie [Behav Therapy]"},{"key":"ref43","volume-title":"Brief symptom inventory","author":"De Beurs","year":"2006"},{"key":"ref44","article-title":"Brief symptom inventory","author":"Derogatis","year":"1975"},{"key":"ref45","first-page":"120","article-title":"De brief symptom inventory (BSI): De betrouwbaarheid en validiteit van een handzaam alternatief voor de SCL-90 [reliability and validity of a handy alternative for the SCL-90]","volume":"61","author":"De Beurs","year":"2006","journal-title":"Maandblad Geestelijke Volksgezondheid [monthly magazine for mental health]"},{"key":"ref46","volume-title":"RStudio: integrated development for R","year":"2020"},{"key":"ref47","doi-asserted-by":"publisher","first-page":"1563312","DOI":"10.1080\/10503307.2018.1563312","article-title":"A demonstration of a multi-method variable selection approach for treatment selection: recommending cognitive\u2013behavioural versus psychodynamic therapy for mild to moderate adult depression","author":"Cohen","year":"2019","journal-title":"Psychother Res"},{"key":"ref48","doi-asserted-by":"publisher","first-page":"112","DOI":"10.1093\/bioinformatics\/btr597","article-title":"Missforest\u2014non-parametric missing value imputation for mixed-type data","volume":"28","author":"Stekhoven","year":"2012","journal-title":"Bioinformatics"},{"key":"ref49","doi-asserted-by":"publisher","first-page":"363","DOI":"10.1002\/sam.11348","article-title":"Random Forest missing data algorithms","volume":"10","author":"Tang","year":"2017","journal-title":"Stat Analysis Data Mining"},{"key":"ref50","doi-asserted-by":"publisher","first-page":"211","DOI":"10.1111\/j.2517-6161.1964.tb00553.x","article-title":"An analysis of transformations","volume":"26","author":"Box","year":"1964","journal-title":"J R Statistical Soc Series B (Methodological)"},{"key":"ref51","doi-asserted-by":"publisher","first-page":"1","DOI":"10.18637\/jss.v028.i05","article-title":"Building predictive models in R using the caret package","volume":"28","author":"Kuhn","year":"2008","journal-title":"J Stat Softw"},{"key":"ref52","doi-asserted-by":"publisher","first-page":"429","DOI":"10.3233\/IDA-2002-6504","article-title":"The class imbalance problem: a systematic study","volume":"6","author":"Japkowicz","year":"2002","journal-title":"Intelligent Data Analysis"},{"key":"ref53","doi-asserted-by":"publisher","first-page":"321","DOI":"10.1613\/jair.953","article-title":"SMOTE: synthetic minority over-sampling technique","volume":"16","author":"Chawla","year":"2002","journal-title":"J Artif Intell Res"},{"key":"ref54","doi-asserted-by":"crossref","first-page":"1","DOI":"10.18637\/jss.v033.i01","article-title":"Regularization paths for generalized linear models via coordinate descent","volume":"33","author":"Friedman","year":"2010","journal-title":"J Stat Softw"},{"key":"ref55","doi-asserted-by":"crossref","DOI":"10.1007\/978-1-4614-6849-3","volume-title":"Applied predictive modeling","author":"Kuhn","year":"2013"},{"key":"ref56","volume-title":"An introduction to statistical learning with applications in R","author":"James","year":"2003"},{"key":"ref57","doi-asserted-by":"publisher","first-page":"343","DOI":"10.32614\/RJ-2020-013","article-title":"Variable importance plots\u2014an introduction to the vip package","volume":"12","author":"Greenwell","year":"2020","journal-title":"The R J"},{"key":"ref58","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1175\/1520-0493(1950)078<0001:VOFEIT>2.0.CO;2","article-title":"Verification of forecasts expressed in terms of probability","volume":"78","author":"Brier","year":"1950","journal-title":"Mon Weather Rev"},{"key":"ref59","doi-asserted-by":"publisher","first-page":"281","DOI":"10.1097\/PRA.0000000000000091","article-title":"Benzodiazepines for PTSD: a systematic review and meta-analysis","volume":"21","author":"Guina","year":"2015","journal-title":"J Psychiatr Pract"},{"key":"ref60","doi-asserted-by":"publisher","first-page":"102684","DOI":"10.1016\/j.janxdis.2023.102684","article-title":"Are psychological interventions for adult PTSD more efficacious and acceptable when treatment is delivered in higher frequency? A meta-analysis of randomized controlled trials","volume":"95","author":"Hoppen","year":"2023","journal-title":"J Anxiety Disord"},{"key":"ref61","doi-asserted-by":"publisher","first-page":"1487225","DOI":"10.1080\/20008198.2018.1487225","article-title":"Effectiveness of an intensive treatment programme combining prolonged exposure and eye movement desensitization and reprocessing for severe post-traumatic stress disorder","volume":"9","author":"Van Woudenberg","year":"2018","journal-title":"Eur J Psychotraumatol"},{"key":"ref62","doi-asserted-by":"publisher","first-page":"445","DOI":"10.1177\/2167702618815466","article-title":"Sample size requirements for multivariate models to predict between-patient differences in best treatments of major depressive disorder","volume":"7","author":"Luedtke","year":"2019","journal-title":"Clin Psychol Sci"},{"key":"ref63","doi-asserted-by":"publisher","first-page":"826","DOI":"10.1016\/S0895-4356(03)00207-5","article-title":"External validation is necessary in prediction research: a clinical example","volume":"56","author":"Bleeker","year":"2003","journal-title":"J Clin Epidemiol"},{"key":"ref64","doi-asserted-by":"publisher","first-page":"78","DOI":"10.1080\/10503307.2020.1823029","article-title":"Cross-trial prediction in psychotherapy: external validation of the personalized advantage index using machine learning in two Dutch randomized trials comparing CBT versus IPT for depression","volume":"31","author":"Van Bronswijk","year":"2021","journal-title":"Psychother Res"},{"key":"ref65","doi-asserted-by":"publisher","first-page":"1960","DOI":"10.1016\/j.patrec.2008.06.018","article-title":"Cross-validation and bootstrapping are unreliable in small sample classification","volume":"29","author":"Isaksson","year":"2008","journal-title":"Pattern Recogn Lett"},{"key":"ref66","doi-asserted-by":"publisher","first-page":"459","DOI":"10.1002\/jts.2490060405","article-title":"Reliability and validity of a brief instrument for assessing posttraumatic stress disorder","volume":"6","author":"Foa","year":"1993","journal-title":"J Trauma Stress"}],"container-title":["Frontiers in Psychiatry"],"original-title":[],"link":[{"URL":"https:\/\/www.frontiersin.org\/articles\/10.3389\/fpsyt.2023.1194669\/full","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,8,4]],"date-time":"2023-08-04T07:35:13Z","timestamp":1691134513000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.frontiersin.org\/articles\/10.3389\/fpsyt.2023.1194669\/full"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,8,4]]},"references-count":66,"alternative-id":["10.3389\/fpsyt.2023.1194669"],"URL":"https:\/\/doi.org\/10.3389\/fpsyt.2023.1194669","relation":{},"ISSN":["1664-0640"],"issn-type":[{"value":"1664-0640","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,8,4]]},"article-number":"1194669"}}