2023
Clinical 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
2021
Religion, spirituality, and risk for incident posttraumatic stress disorder, suicidal ideation, and hazardous drinking in U.S. military veterans: A 7-year, nationally representative, prospective cohort study
Rubenstein A, Koenig HG, Marin DB, Sharma V, Harpaz-Rotem I, Pietrzak RH. Religion, spirituality, and risk for incident posttraumatic stress disorder, suicidal ideation, and hazardous drinking in U.S. military veterans: A 7-year, nationally representative, prospective cohort study. Journal Of Affective Disorders 2021, 295: 1110-1117. PMID: 34706422, DOI: 10.1016/j.jad.2021.08.128.Peer-Reviewed Original ResearchConceptsNon-organizational religious activityProspective cohort studyOrganizational religious activityHazardous drinkingSuicidal ideationMental health outcomesU.S. military veteransCohort studyHealth outcomesMilitary veteransIncident posttraumatic stress disorderMultivariable logistic regression analysisLogistic regression analysisMental health assessmentPosttraumatic stress disorderCross-sectional designPositive mental health outcomesLower incidenceLower riskSociodemographic factorsClinical implicationsGreater riskStress disorderHealth assessmentRegression analysis
2014
Functional significance of a novel 7-factor model of DSM-5 PTSD symptoms: Results from the National Health and Resilience in Veterans Study
Pietrzak RH, Tsai J, Armour C, Mota N, Harpaz-Rotem I, Southwick SM. Functional significance of a novel 7-factor model of DSM-5 PTSD symptoms: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2014, 174: 522-526. PMID: 25556669, DOI: 10.1016/j.jad.2014.12.007.Peer-Reviewed Original ResearchConceptsQuality of lifePosttraumatic stress disorderDSM-5 PTSD symptomsPTSD symptomsNational HealthU.S. veteransSuicidal ideationVeterans StudySymptom clustersDysphoric arousal symptomsCross-sectional designFunctional outcomePsychiatric comorbidityClinical significancePTSD symptom clustersCurrent depressionDSM-5 PTSD symptom clustersPTSD phenotypeMental disordersSymptomsComorbid psychopathologyStress disorderFunctional correlatesStatistical ManualTreatment efforts
2011
Examining 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