2024
Problem Opioid Use Among US Military Veterans: Prevalence, Correlates, and Psychiatric Characteristics
Na P, Petrakis I, Krystal J, Pietrzak R. Problem Opioid Use Among US Military Veterans: Prevalence, Correlates, and Psychiatric Characteristics. Journal Of Addiction Medicine 2024, 18: 313-318. PMID: 38498625, PMCID: PMC11150085, DOI: 10.1097/adm.0000000000001286.Peer-Reviewed Original ResearchInstrumental activities of daily livingInstrumental activities of daily living disabilityLifetime suicide attemptsProblem opioid useUS military veteransUS veteransPsychiatric characteristicsSuicide attemptsMilitary veteransAssociated with black race/ethnicityActivities of daily livingNational Health and ResilienceLifetime alcohol use disorderMental health morbidityPosttraumatic stress disorderMental health disordersAlcohol use disorderNon-Hispanic race/ethnicityMultivariate logistic regression modelNationally representative sampleOpioid useLogistic regression modelsInstrumental activitiesHealth morbidityDaily living
2023
Longitudinal Trends in Suicidal Thoughts and Behaviors Among US Military Veterans During the COVID-19 Pandemic
Fischer I, Nichter B, Na P, Norman S, Krystal J, Pietrzak R. Longitudinal Trends in Suicidal Thoughts and Behaviors Among US Military Veterans During the COVID-19 Pandemic. JAMA Psychiatry 2023, 80: 577-584. PMID: 37017978, PMCID: PMC10077136, DOI: 10.1001/jamapsychiatry.2023.0393.Peer-Reviewed Original ResearchConceptsNew-onset suicidal ideationUS military veteransLifetime substance use disorderPast-year suicidal ideationSubstance use disordersSuicidal ideationSuicide planningMilitary veteransUse disordersPsychiatric distressCOVID-19 pandemicSuicidal thoughtsPopulation-based longitudinal studyEvidence-based preventionLongitudinal studyLongitudinal trendsCohort studyNational HealthUS veteransMAIN OUTCOMEVeterans StudySuicide attemptsSuicide riskVulnerable populationsVeterans
2022
Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden
Nichter B, Koller D, De Angelis F, Wang J, Girgenti M, Na P, Hill M, Norman S, Krystal J, Gelernter J, Polimanti R, Pietrzak R. Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden. Psychological Medicine 2022, 53: 6325-6333. PMID: 36444557, DOI: 10.1017/s0033291722003646.Peer-Reviewed Original ResearchConceptsPolygenic risk scoresUS military veteransLifetime suicide attemptsSuicide attemptsTrauma exposureTrauma burdenGenetic liabilityMilitary veteransDrug repurposing analysisPopulation-based sampleCumulative trauma exposureLifetime trauma exposureLow trauma exposureSuicide prediction modelsChronic inflammationInflammatory processNervous system developmentRisk scorePsychiatric characteristicsSuicidal behaviorExposure interactionsLarge genome-wide association studiesHigh levelsVeteransSuicidality
2021
Prevalence and Trends in Suicidal Behavior Among US Military Veterans During the COVID-19 Pandemic
Nichter B, Hill ML, Na PJ, Kline AC, Norman SB, Krystal JH, Southwick SM, Pietrzak RH. Prevalence and Trends in Suicidal Behavior Among US Military Veterans During the COVID-19 Pandemic. JAMA Psychiatry 2021, 78: 1218-1227. PMID: 34431973, PMCID: PMC8387942, DOI: 10.1001/jamapsychiatry.2021.2332.Peer-Reviewed Original ResearchConceptsUS military veteransCOVID-19 infectionCohort studySuicidal behaviorPast-year suicide ideationRisk factorsMilitary veteransPopulation-based prospective cohort studyCOVID-19 pandemicSuicide ideationSuicide attemptsProspective cohort studyLifetime posttraumatic stress disorderStrong risk factorCOVID-19 public health emergencyLow social supportPosttraumatic stress disorderPublic health emergencyAlcohol use disorder severityUS veteransNational HealthMAIN OUTCOMESuicide attempt historyVeterans StudyCOVID-19-related variables
2020
Predictors and correlates of lifetime and persistent non-suicidal self-injury and suicide attempts among adult survivors of childhood sexual abuse
Steine IM, Nielsen B, Porter PA, Krystal JH, Winje D, Grønli J, Milde AM, Bjorvatn B, Nordhus IH, Pallesen S. Predictors and correlates of lifetime and persistent non-suicidal self-injury and suicide attempts among adult survivors of childhood sexual abuse. European Journal Of Psychotraumatology 2020, 11: 1815282. PMID: 33312451, PMCID: PMC7717684, DOI: 10.1080/20008198.2020.1815282.Peer-Reviewed Original ResearchAdult CSA survivorsChildhood sexual abuseCSA survivorsSexual abuseProximal factorsPredictors of NSSISexual abuse survivorsSuicide attemptsMental health symptomsNew suicide attemptSocial support scoresIndividual differencesAbuse survivorsMental health disordersRelational problemsDistal factorsHealth symptomsNSSIChildhood maltreatmentProblem scoresHigher depressionSocial supportPast suicide attemptsForm of symptomsLifetime NSSI
2017
Moral injury in U.S. combat veterans: Results from the national health and resilience in veterans study
Wisco BE, Marx BP, May CL, Martini B, Krystal JH, Southwick SM, Pietrzak RH. Moral injury in U.S. combat veterans: Results from the national health and resilience in veterans study. Depression And Anxiety 2017, 34: 340-347. PMID: 28370818, DOI: 10.1002/da.22614.Peer-Reviewed Original ResearchMental disordersNational HealthCombat veteransU.S. combat veteransCurrent mental disorderPast psychiatric disordersPopulation-based sampleCombat severityMental health problemsMoral Injury Events ScaleFunctional outcomeMoral injuryWhite racePsychiatric disordersHealth problemsU.S. veteransSuicidal ideationVeterans StudySuicide attemptsInjurious eventsCombat exposureSociodemographic variablesDisordersExposure historyVeterans