Featured Publications
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
2023
Clinical Outcomes of Veterans Affairs Residential PTSD Treatment for PTSD and Depressive Symptoms: 1-Year Follow-Up Outcomes and Gender Differences
Gross G, Spiller T, Carretta R, Sippel L, Smith N, Harpaz-Rotem I. Clinical Outcomes of Veterans Affairs Residential PTSD Treatment for PTSD and Depressive Symptoms: 1-Year Follow-Up Outcomes and Gender Differences. Psychological Trauma Theory Research Practice And Policy 2023, 15: 1406-1415. PMID: 37199985, DOI: 10.1037/tra0001494.Peer-Reviewed Original ResearchPosttraumatic stress disorderResidential Rehabilitation Treatment ProgramDepressive symptomsWomen veteransTime pointsTreatment gainsRehabilitation treatment programResidential treatmentDepressive symptom severityGreater symptom reductionFirst national investigationLong-term effectivenessResidential PTSD treatmentClinical outcomesYear postdischargeUp OutcomesSymptom reductionPTSD treatmentSymptom changeSymptom severitySymptomsTreatment programStress disorderPTSD symptomsLinear mixed models
2022
Risk for PTSD symptom worsening during new PTSD treatment episode in a nationally representative sample of treatment-seeking U.S. veterans with subthreshold PTSD
Gross GM, Pietrzak RH, Hoff RA, Katz IR, Harpaz-Rotem I. Risk for PTSD symptom worsening during new PTSD treatment episode in a nationally representative sample of treatment-seeking U.S. veterans with subthreshold PTSD. Journal Of Psychiatric Research 2022, 151: 304-310. PMID: 35526446, DOI: 10.1016/j.jpsychires.2022.04.040.Peer-Reviewed Original ResearchConceptsSymptom worseningRisk factorsSubthreshold PTSDPTSD symptom clustersSymptom clustersPTSD symptomsHealth care utilizationPTSD specialty clinicPoor treatment outcomesUnited States veteransBinary logistic regressionAdjusted analysisCare utilizationTreatment episodesRepresentative sampleSpecialty clinicSignificant symptomsTreatment outcomesSignificant worseningStates veteransSubthreshold symptomsEligible veteransNew episodesOutcome assessmentDiagnostic threshold
2021
A preliminary investigation of VA PTSD residential treatment for veterans admitted from unstable housing or incarceration
Holliday R, Gross G, Desai A, Smith N, Harpaz-Rotem I. A preliminary investigation of VA PTSD residential treatment for veterans admitted from unstable housing or incarceration. Journal Of Social Distress And The Homeless 2021, 31: 238-243. DOI: 10.1080/10530789.2021.1926750.Peer-Reviewed Original ResearchResidential Rehabilitation Treatment ProgramDepressive symptomsUnstable housingPTSD symptomsJustice-involved veteransPost-discharge careRehabilitation treatment programPrison/jailSymptom recurrenceJail/prisonPTSD treatmentSymptomsTreatment programFour monthsVeteransResidential treatmentAdmissionRecurrenceExperienced reductionsSignificant changesTreatmentUnderstanding of factors
2020
Sex Differences in Associations Between Depression and Posttraumatic Stress Disorder Symptoms and Tobacco Use Among Veterans of Recent Conflicts
Gross GM, Bastian LA, Smith NB, Harpaz-Rotem I, Hoff R. Sex Differences in Associations Between Depression and Posttraumatic Stress Disorder Symptoms and Tobacco Use Among Veterans of Recent Conflicts. Journal Of Women's Health 2020, 29: 677-685. PMID: 31934813, DOI: 10.1089/jwh.2019.8082.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderTobacco usePTSD symptomsFemale veteransSex differencesAssociation of depressionTobacco use cessationBaseline interview dataCross-sectional associationsMental health conditionsLogistic regression modelsPosttraumatic stress disorder (PTSD) symptomsBinary logistic regression modelSex-specific barriersTobacco usersSymptomsStress disorderAlcohol useHealth conditionsDepressionDisorder symptomsVeteran sampleMH conditionsIntervention strategiesEffects of demographics
2019
Comparing the effectiveness of VA residential PTSD treatment for veterans who do and do not report a history of MST: A national investigation
Holliday R, Smith NB, Holder N, Gross GM, Monteith LL, Maguen S, Hoff RA, Harpaz-Rotem I. Comparing the effectiveness of VA residential PTSD treatment for veterans who do and do not report a history of MST: A national investigation. Journal Of Psychiatric Research 2019, 122: 42-47. PMID: 31923834, DOI: 10.1016/j.jpsychires.2019.12.012.Peer-Reviewed Original ResearchConceptsResidential Rehabilitation Treatment ProgramMilitary sexual traumaPosttraumatic stress disorderPTSD symptomsMST survivorsPTSD treatmentVeterans AffairsProgram completionRehabilitation treatment programSymptom severity scoresEffects of MSTExperience of MSTHistory of MSTPTSD symptom severity scoresPost-treatment gainsRace/ethnicityImpact of MSTSevere PTSD symptomsResidential PTSD treatmentAdjunctive servicesPsychiatric comorbiditySeverity scoreHealth sequelaeIncrease riskWomen veterans
2018
Does Deployment-Related Military Sexual Assault Interact With Combat Exposure to Predict Posttraumatic Stress Disorder in Female Veterans?
Gross G, Cunningham K, Moore D, Naylor J, Brancu M, Wagner H, Elbogen E, Calhoun P, Workgroup V, Kimbrel N. Does Deployment-Related Military Sexual Assault Interact With Combat Exposure to Predict Posttraumatic Stress Disorder in Female Veterans? Traumatology An International Journal 2018, 25: 66-71. PMID: 30202245, PMCID: PMC6128291, DOI: 10.1037/trm0000165.Peer-Reviewed Original ResearchLong-term mental healthCombat exposurePTSD symptomsPTSD diagnosisHypothesized interactionIraq/Afghanistan-era veteransSelf-report measuresPosttraumatic stress disorderFemale veteransSexual assault experiencesAfghanistan-era veteransPresent researchLow base ratesEffects of combatStress disorderAssault experiencesPTSDBase ratesCombat experienceMental healthDiagnostic InterviewPrior researchPrevious findingsSignificant predictorsLimited support