2023
Posttraumatic Growth in U.S. Military Veterans: Results from the National Health and Resilience in Veterans Study
Kang H, Fischer I, Dickinson S, Na P, Tsai J, Tedeschi R, Pietrzak R. Posttraumatic Growth in U.S. Military Veterans: Results from the National Health and Resilience in Veterans Study. Psychiatric Quarterly 2023, 95: 17-32. PMID: 37938492, DOI: 10.1007/s11126-023-10061-8.Peer-Reviewed Original ResearchPosttraumatic growthU.S. military veteransPTSD symptomsTraumatic eventsPosttraumatic stress disorder (PTSD) symptomsPositive psychological changesVeterans StudyMilitary veteransGreater posttraumatic growthTrauma-exposed veteransIntrinsic religiosityPTSD symptom severitySevere PTSD symptomsHigh-risk sampleIntrusive symptomsDisorder symptomsPsychological changesPTG levelsTraumatic experiencesPTSD ChecklistVeteran samplePsychosocial characteristicsSymptom clustersDSM-5Symptom severityClinical significance of novel 8-factor model of DSM-5 PTSD in national VA PTSD residential treatment data: Internally- v. externally-cued intrusions
Gross G, Spiller T, Duek O, Pietrzak R, Harpaz-Rotem I. Clinical significance of novel 8-factor model of DSM-5 PTSD in national VA PTSD residential treatment data: Internally- v. externally-cued intrusions. Journal Of Affective Disorders 2023, 328: 255-260. PMID: 36806596, DOI: 10.1016/j.jad.2023.02.046.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderPTSD symptomsDysphoric arousalDSM-5 posttraumatic stress disorderDSM-5 PTSD symptomsDistinct underlying processesSelf-report measuresGeneralized anxiety symptomsSuperior model fitPhysical health functioningCore defining featuresStructural equation modelingWorse emotional functioningAnxious arousalSymptoms of depressionNegative affectIntrusion symptomsGreater avoidanceEmotional functioningStress disorderAnxiety symptomsPTSD ChecklistIntrusion factorCross-sectional designGeneralized anxiety
2016
S04-3 Assessing the dissociative ptsd subtype in a representative sample of us military veterans
Armour C, Tsai J, Pietrzak R. S04-3 Assessing the dissociative ptsd subtype in a representative sample of us military veterans. Occupational And Environmental Medicine 2016, 73: a100. DOI: 10.1136/oemed-2016-103951.269.Peer-Reviewed Original ResearchPosttraumatic stress disorderDissociative subtypeU.S. veteransDSM-5 posttraumatic stress disorderQuality of lifeAnonymous web-based surveyInitial screening questionsUS military veteransTrauma-exposed controlsDSM-5 versionSevere PTSD symptomsDissociative PTSD subtypeClinical characteristicsAlcohol use problemsCurrent study sampleNational HealthRepresentative sampleScreening questionsResponse rateWeb-based surveyMental disordersVeterans StudyPTSD subtypesU.S. adultsPTSD Checklist
2011
Support for a novel five-factor model of posttraumatic stress symptoms in three independent samples of Iraq/Afghanistan veterans: A confirmatory factor analytic study
Pietrzak RH, Tsai J, Harpaz-Rotem I, Whealin JM, Southwick SM. Support for a novel five-factor model of posttraumatic stress symptoms in three independent samples of Iraq/Afghanistan veterans: A confirmatory factor analytic study. Journal Of Psychiatric Research 2011, 46: 317-322. PMID: 22154134, DOI: 10.1016/j.jpsychires.2011.11.013.Peer-Reviewed Original ResearchConceptsIraq/Afghanistan veteransHyperarousal symptom clustersConfirmatory factor analytic studyFactor analytic studiesAfghanistan veteransDysphoric arousalPTSD symptomsArousal clustersCommunity samplePosttraumatic stress disorder (PTSD) symptomsEmotional numbing modelSymptom clustersTreatment-seeking samplePosttraumatic stress symptomsDSM-IV modelIndependent samplesFive-factor modelConfirmatory factor analysisAnxious arousalEmotional numbingNumbing modelPTSD symptomatologyDisorder symptomsStress symptomsPTSD Checklist