2023
Evaluating a novel 8-factor dimensional model of PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study
Stiltner B, Fischer I, Duek O, Polimanti R, Harpaz-Rotem I, Pietrzak R. Evaluating a novel 8-factor dimensional model of PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2023, 346: 303-307. PMID: 37979626, DOI: 10.1016/j.jad.2023.11.041.Peer-Reviewed Original ResearchMeSH KeywordsDiagnostic and Statistical Manual of Mental DisordersEmotionsFactor Analysis, StatisticalHumansStress Disorders, Post-TraumaticVeteransConceptsIndex traumaPTSD symptomsNational HealthPosttraumatic stress disorder (PTSD) symptomsVeterans StudyMilitary veteransTrauma-exposed populationsClinician-administered interviewU.S. military veteransConfirmatory factor analysisDSM-5 modelStrong significant associationTrauma exposureIntrusive symptomsDisorder symptomsCombat exposureHigh riskU.S. veteransDSM-5Significant associationSymptomsInterpersonal violenceFactor analysisPTSDScarce research
2014
Dimensional structure of DSM-5 posttraumatic stress disorder symptoms: results from the National Health and Resilience in Veterans Study.
Tsai J, Harpaz-Rotem I, Armour C, Southwick SM, Krystal JH, Pietrzak RH. Dimensional structure of DSM-5 posttraumatic stress disorder symptoms: results from the National Health and Resilience in Veterans Study. The Journal Of Clinical Psychiatry 2014, 76: 546-53. PMID: 25562376, DOI: 10.4088/jcp.14m09091.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderLifetime posttraumatic stress disorderHealth-related functioningMental health-related functioningDSM-5 posttraumatic stress disorderUS veteransSymptom clustersPTSD symptom clustersNational HealthVeterans StudyPTSD symptomsQuality of lifeDysphoric Arousal modelPosttraumatic stress disorder (PTSD) symptomsDSM-5 posttraumatic stress disorder symptomsDSM-5 PTSD symptom clustersHealth outcomesFemale veteransSuicidal ideationDSM-5 PTSD symptomsStress disorderSymptomsDisorder symptomsPTSD symptomatologyVeteransComparing four competing models of depressive symptomatology: A confirmatory factor analytic study of 986,647 U.S. veterans
Tsai J, Elhai JD, Pietrzak RH, Hoff RA, Harpaz-Rotem I. Comparing four competing models of depressive symptomatology: A confirmatory factor analytic study of 986,647 U.S. veterans. Journal Of Affective Disorders 2014, 165: 166-169. PMID: 24882195, DOI: 10.1016/j.jad.2014.04.075.Peer-Reviewed Original ResearchMeSH KeywordsAdultDepressive Disorder, MajorFactor Analysis, StatisticalFemaleHumansMaleMiddle AgedModels, PsychologicalUnited StatesVeteransConceptsNon-somatic factorsU.S. veteransDepressive symptomsDepressive symptomatologyNon-veteran samplesSymptom-level dataMajor depressive symptomsMajor depression diagnosisMajor depression symptomsFeelings of worthlessnessAppetite changesPsychomotor agitationThoughts of deathDepression diagnosisMajor depressionSleep difficultiesClinical relevanceClinician-administered measuresCurrent diagnostic systemsDepression symptomsConcentration difficultiesSomatic factorsDepressed moodSymptomsVeterans
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 ChecklistExamining the dimensionality of combat-related posttraumatic stress and depressive symptoms in treatment-seeking OEF/OIF/OND veterans
Tsai J, Pietrzak RH, Southwick SM, Harpaz-Rotem I. Examining the dimensionality of combat-related posttraumatic stress and depressive symptoms in treatment-seeking OEF/OIF/OND veterans. Journal Of Affective Disorders 2011, 135: 310-314. PMID: 21782249, DOI: 10.1016/j.jad.2011.06.057.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PsychologicalAfghan Campaign 2001-BehaviorDepressionDepressive DisorderDisability EvaluationEthnicityFactor Analysis, StatisticalHumansIraq War, 2003-2011Military PersonnelPatient Acceptance of Health CareResilience, PsychologicalSocial SupportStress Disorders, Post-TraumaticSurveys and QuestionnairesVeteransVeterans Disability ClaimsConceptsPosttraumatic Stress Disorder Checklist-Military versionOEF/OIF/OND veteransPosttraumatic stress disorderFour-factor solutionCognitive copingPsychological resilienceStress disorderAlcohol useSocial supportCombat-related posttraumatic stress disorderTreatment-seeking veteransDimensionality of itemsDepressive symptomsPosttraumatic stressOperations Enduring Freedom/Iraqi Freedom/New DawnExploratory factor analysisPatient Health Questionnaire-9Cross-sectional designSymptom structureMore varianceFactor structureBodily disturbancesDetachment/Cluster of symptomsFactor scores