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“We’ve Been Here All Along:” The Collective Resilience of Transgender and Gender Diverse U.S. Service Members
Eleazer J, Marchant L, Kizewski A, Gross G, Warren A, McCubbin L, Lab T. “We’ve Been Here All Along:” The Collective Resilience of Transgender and Gender Diverse U.S. Service Members. Psychological Services 2023, 20: 382-396. PMID: 36355662, DOI: 10.1037/ser0000721.Peer-Reviewed Original ResearchConceptsExperiences of oppressionIdentity-based violenceParticipatory research designGender diverse peopleMilitary serviceMilitary policyGender identityResilience factorsCollective resilienceDiverse peopleMinority stressorsOppressionSuperordinate themesTransgenderIntersubjective factorsService membersSurvival strategiesUnited StatesSocial rejectionResilienceMilitary-specific stressorsResearch designTroopsExperienceViolence
2024
Intimate Partner Violence Among Lesbian, Gay, and Bisexual Veterans
Warren A, Relyea M, Gross G, Eleazer J, Goulet J, Brandt C, Haskell S, Portnoy G. Intimate Partner Violence Among Lesbian, Gay, and Bisexual Veterans. Psychological Services 2024, 21: 621-625. PMID: 37602982, PMCID: PMC10879444, DOI: 10.1037/ser0000797.Peer-Reviewed Original ResearchUnraveling PTSD: Symptom Cluster Change During and 1 Year After Veterans’ Residential PTSD Treatment
Gross G, Spiller T, Ben-Zion Z, Rubenstein A, Pietrzak R, Duek O, Hoff R, Harpaz-Rotem I. Unraveling PTSD: Symptom Cluster Change During and 1 Year After Veterans’ Residential PTSD Treatment. Psychological Trauma Theory Research Practice And Policy 2024 PMID: 38990694, DOI: 10.1037/tra0001734.Peer-Reviewed Original ResearchPosttraumatic stress disorderPosttraumatic stress disorder symptom clustersPosttraumatic stress disorder clustersSymptom clustersIntrusive symptomsResidential treatmentTreatment of posttraumatic stress disorderPosttraumatic stress disorder symptomsResidential PTSD treatmentPTSD symptom clustersNovel treatment interventionsDifferential treatment responseReduce symptom severityDifferential patterns of changeAvoidance symptomsPTSD treatmentTreatment gainsStress disorderVeterans AffairsSymptom severityCluster CTreatment interventionsCluster BIndividual symptomsCohort of veterans
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 modelsMilitary Sexual Trauma and its Association with Mental Health Among Sexual Minority and Heterosexual Veterans in the United States
Webermann A, Merians A, Gross G, Portnoy G, Rosen M, Pietrzak R. Military Sexual Trauma and its Association with Mental Health Among Sexual Minority and Heterosexual Veterans in the United States. LGBT Health 2023, 10: s61-s69. PMID: 37754922, DOI: 10.1089/lgbt.2023.0074.Peer-Reviewed Original ResearchConceptsMental health symptomsMilitary sexual traumaHealth symptomsHeterosexual veteransCurrent drug use disordersCurrent mental health symptomsCurrent posttraumatic stress disorderMultivariable logistic regressionDrug use disordersPrevalence of MSTMilitary characteristicsSexual traumaPosttraumatic stress disorderRepresentative web-based surveyHigh prevalenceUse disordersU.S. veteransWeb-based surveySociodemographic characteristicsSymptomsBivariate analysisLogistic regressionStress disorderMental healthPrevalence“The VA Was the First Place as a Trainee That I Felt Like I Had to Hide Many Parts of Myself”: Lived Experiences and Recommendations for Empowering Transgender, Nonbinary, and Gender Expansive VA Psychology Supervisors and Supervisees
Hashtpari H, Privat J, Vallario M, Gross G, Kishore S, Prelli F, Eleazer J. “The VA Was the First Place as a Trainee That I Felt Like I Had to Hide Many Parts of Myself”: Lived Experiences and Recommendations for Empowering Transgender, Nonbinary, and Gender Expansive VA Psychology Supervisors and Supervisees. Psychological Services 2023, 20: 239-247. PMID: 36892915, DOI: 10.1037/ser0000748.Peer-Reviewed Original ResearchConceptsPsychology training programsPsychology traineesAmerican Psychological AssociationTraining programVA health care settingPsychological AssociationPostdoctoral levelsTraining directorsSuperviseesSupervision modelSupervisorsUnique needsGender identityTraining opportunitiesClinical supervision modelExperiences of transgenderHealth care settingsTraineesExperienceGender expressionProfessional experienceLived experiencePsychologyTransgenderTraining networkComparative effectiveness of evidence-based psychotherapies for PTSD delivered in VA residential PTSD treatment
Sippel L, Gross G, Spiller T, Duek O, Smith N, Hoff R, Harpaz-Rotem I. Comparative effectiveness of evidence-based psychotherapies for PTSD delivered in VA residential PTSD treatment. Psychological Medicine 2023, 53: 6859-6866. PMID: 36971021, DOI: 10.1017/s0033291723000375.Peer-Reviewed Original ResearchResidential Rehabilitation Treatment ProgramPosttraumatic stress disorderCognitive processing therapyComparative effectivenessProlonged exposureFirst-line treatmentSevere posttraumatic stress disorderRehabilitation treatment programSelf-reported posttraumatic stress disorderDepressive symptom outcomesDepressive symptom severityEvidence-based psychotherapiesElectronic medical recordsResidential PTSD treatmentSymptomatic patientsComorbid conditionsMedical recordsPE groupSymptom outcomesIndividual cognitive processing therapyDepressive symptomsPTSD treatmentSymptom severityTreatment programProgram evaluation dataRacial and ethnic mental health disparities in U.S. Military Veterans: Results from the National Health and Resilience in Veterans Study
Merians A, Gross G, Spoont M, Bellamy C, Harpaz-Rotem I, Pietrzak R. Racial and ethnic mental health disparities in U.S. Military Veterans: Results from the National Health and Resilience in Veterans Study. Journal Of Psychiatric Research 2023, 161: 71-76. PMID: 36905842, DOI: 10.1016/j.jpsychires.2023.03.005.Peer-Reviewed Original ResearchConceptsPsychiatric disordersWhite veteransNational HealthHispanic veteransMilitary veteransBlack veteransVeterans StudyLifetime major depressive disorderLifetime posttraumatic stress disorderHigh-risk subgroupsPopulation-based studyCurrent psychiatric disorderDrug use disordersMajor depressive disorderCommon psychiatric disordersEthnic differencesPopulation-based sampleCertain psychiatric disordersPopulation-based researchLower household incomeCurrent suicidal ideationPosttraumatic stress disorderRace/ethnicityU.S. military veteransMental health disparitiesThe Functional Significance of a Novel Conceptualization of Intrusion Symptoms of PTSD
Spiller T, Gross G, Duek O, Pietrzak R, Harpaz-Rotem I. The Functional Significance of a Novel Conceptualization of Intrusion Symptoms of PTSD. European Psychiatry 2023, 66: s476-s477. PMCID: PMC10434546, DOI: 10.1192/j.eurpsy.2023.1020.Peer-Reviewed Original ResearchPosttraumatic stress disorderIntrusion symptomsResidential treatment programEmotional functioningFactors of PTSDSymptoms of PTSDSymptom clustersDistinct underlying processesDisclosure of interestSelf-report formCore defining featuresStructural equation modellingPhysical functioningGood model fitStress disorderPTSD ChecklistIntrusion factorCorresponding subscalesPreliminary empirical evidenceInitial supportDSM-5Equation modellingTreatment programSuperior fitBiological underpinningsUnderstanding veteran barriers to specialty outpatient PTSD clinical care
Rozek D, Steigerwald V, Baker S, Gross G, Maieritsch K, Hoff R, Harpaz-Rotem I, Smith N. Understanding veteran barriers to specialty outpatient PTSD clinical care. Journal Of Anxiety Disorders 2023, 95: 102675. PMID: 36854224, DOI: 10.1016/j.janxdis.2023.102675.Peer-Reviewed Original ResearchConceptsSpecialty outpatient clinicsPosttraumatic stress disorderOutpatient clinicPTSD specialty clinicClinical characteristicsMale sexPTSD symptom severitySpecialty clinicWhite raceClinical careClinical concernTreatment engagementSymptom severityStress disorderClinicGreater likelihoodVeteransSignificant minorityTreatmentImpact of demographicsMulti-faceted barriersCareFiscal year 2019DemographicsNational sampleThe Effect of Military Sexual Trauma on Competitive Employment Status Following Veterans Health Administration Supported Employment Services
Gross GM, Kaczynski R, Resnick S. The Effect of Military Sexual Trauma on Competitive Employment Status Following Veterans Health Administration Supported Employment Services. Psychological Services 2023, 20: 196-201. PMID: 35225642, DOI: 10.1037/ser0000635.Peer-Reviewed Original ResearchConceptsMilitary sexual traumaVeterans Health AdministrationHigh-risk groupEffects of MSTMental health treatmentSexual traumaCompetitive employmentElectronic health recordsMST screenMedical comorbiditiesAdjusted analysisPsychiatric comorbiditySupported Employment ServicesMedical recordsTrauma-informed careMST historyHealth treatmentHealth AdministrationHealth recordsCompetitive employment outcomesLower likelihoodTreatment planningComorbiditiesVeteransTrauma
2022
Clinical Supervisors’ Experiences With and Barriers to Supporting Trainees Who Have Experienced Identity Based Harassment
Adams L, Gross G, Doran J, Stacy M. Clinical Supervisors’ Experiences With and Barriers to Supporting Trainees Who Have Experienced Identity Based Harassment. Training And Education In Professional Psychology 2022, 16: 403-411. DOI: 10.1037/tep0000384.Peer-Reviewed Original ResearchTreatment utilization and modality preference among veterans receiving outpatient substance use disorder treatment during a pandemic
Meshberg‐Cohen S, Farook M, Gross G, Levina V, DeViva J. Treatment utilization and modality preference among veterans receiving outpatient substance use disorder treatment during a pandemic. American Journal On Addictions 2022, 32: 32-39. PMID: 36286598, DOI: 10.1111/ajad.13347.Peer-Reviewed Original ResearchConceptsAlcohol use disorderTreatment modalitiesUse disordersClinical variablesCOVID-19Outpatient substance use disorder treatmentElectronic medical record dataSubstance use disorder treatmentTreatment utilization patternsMain treatment modalityRetrospective electronic medical record dataEmergency room visitsOpioid use disorderPsychiatric emergency room visitsMedical record dataUse disorder treatmentUtilization patternsCocaine use disorderBinary logistic regressionRoom visitsSUD diagnosisTelephone appointmentsTreatment utilizationChi-square analysisNumber of visitsComparative effectiveness of group v. individual trauma-focused treatment for posttraumatic stress disorder in veterans
Spiller TR, Duek O, Buta E, Gross G, Smith NB, Harpaz-Rotem I. Comparative effectiveness of group v. individual trauma-focused treatment for posttraumatic stress disorder in veterans. Psychological Medicine 2022, 53: 4561-4568. PMID: 35959560, PMCID: PMC10388318, DOI: 10.1017/s0033291722001441.Peer-Reviewed Original ResearchConceptsGroup cognitive processing therapyCognitive processing therapyPosttraumatic stress disorderIndividual cognitive processing therapyPTSD symptom severitySymptom severityStress disorderReal-world effectivenessComparative effectiveness studiesResidential treatmentEffective treatmentComparative effectivenessVeterans AffairsEffectiveness studiesPTSD ChecklistPTSD severityGroup therapySeverityVeteransTreatmentDSM-5Group V.TherapyDisordersSmall reductionRisk 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
Applying Organizational Change Theory to Address the Long-Standing Problem of Harassment in Medical Education
Stacy M, Gross G, Adams L. Applying Organizational Change Theory to Address the Long-Standing Problem of Harassment in Medical Education. Teaching And Learning In Medicine 2021, 34: 313-321. PMID: 34493134, DOI: 10.1080/10401334.2021.1954523.Peer-Reviewed Original ResearchConceptsOrganizational change theoryCulture changePrevalence of harassmentChange theoryFormalized policiesCultural changeEducation systemHarassmentChange management modelADKAR modelOrganizational culture changeTypical focusCommon experiencePolicyEducationMost literatureMedical cultureMedical education systemEvaluative natureSufficient impactArticleSignificant consequencesManagement modelReformChange readinessBinge drinking following residential treatment for posttraumatic stress disorder among veterans with and without alcohol use disorder
Meshberg-Cohen S, Gross GM, Kachadourian LK, Harpaz-Rotem I. Binge drinking following residential treatment for posttraumatic stress disorder among veterans with and without alcohol use disorder. Journal Of Psychiatric Research 2021, 143: 202-208. PMID: 34500350, DOI: 10.1016/j.jpsychires.2021.09.024.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderMilitary sexual traumaAlcohol use disorderPTSD symptom improvementResidential treatmentBinge drinkingStress disorderPTSD symptom changeResidential PTSD treatmentPTSD symptom decreaseUse disordersBinge drinking daysAlcohol-related variablesPTSD treatmentTrauma typesSexual traumaProblematic drinkingCombat exposureDrinking outcomesSymptom changeGreater likelihoodSymptom improvementBingeSymptom decreaseAlcohol useRacial Disparities in Clinical Outcomes of Veterans Affairs Residential PTSD Treatment Between Black and White Veterans
Gross GM, Smith N, Holliday R, Rozek DC, Hoff R, Harpaz-Rotem I. Racial Disparities in Clinical Outcomes of Veterans Affairs Residential PTSD Treatment Between Black and White Veterans. Psychiatric Services 2021, 73: 126-132. PMID: 34369806, DOI: 10.1176/appi.ps.202000783.Peer-Reviewed Original ResearchConceptsResidential Rehabilitation Treatment ProgramPosttraumatic stress disorderWhite veteransRacial disparitiesClinical outcomesBlack veteransSymptoms of PTSDPoor clinical outcomeRehabilitation treatment programRecurrence 4 monthsPoor treatment outcomesMental health treatmentPublic health issuePTSD symptom reductionResidential PTSD treatmentMental health researchTreatment outcomesPrevalence ratesSymptom reductionHealth treatmentHealth outcomesPTSD treatmentDemographic dataSymptom changeTreatment programA 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