2024
Firearm storage practices among military veterans in the United States: Findings from a nationally representative survey
Nichter B, Hill M, Fischer I, Panza K, Kline A, Na P, Norman S, Rowcliffe M, Pietrzak R. Firearm storage practices among military veterans in the United States: Findings from a nationally representative survey. Journal Of Affective Disorders 2024, 351: 82-89. PMID: 38280567, DOI: 10.1016/j.jad.2024.01.179.Peer-Reviewed Original ResearchConceptsFirearm storage practicesContemporary population-based dataNational Health and ResiliencePromote safe firearm storageTrauma exposureAssociated with increased risk of suicidePopulation-based dataCross-sectional designStorage of firearmsAssociated with increased riskRisk of suicideNationally representative surveyDrug use disordersHealthcare professionalsSociodemographic characteristicsVeterans StudyFirearm storageTraumatic brain injuryU.S. veteransService membersMilitary veteransStorage practicesTraining initiativesVeteransRisk status
2023
Purpose in life protects against the development of suicidal thoughts and behaviors in U.S. veterans without a history of suicidality: A 10-year, nationally representative, longitudinal study
Fischer I, Nichter B, Feldman D, Na P, Tsai J, Harpaz-Rotem I, Schulenberg S, Pietrzak R. Purpose in life protects against the development of suicidal thoughts and behaviors in U.S. veterans without a history of suicidality: A 10-year, nationally representative, longitudinal study. Journal Of Affective Disorders 2023, 340: 551-554. PMID: 37557988, DOI: 10.1016/j.jad.2023.08.040.Peer-Reviewed Original ResearchConceptsIncident suicidal ideationAlcohol use disorderIncident suicide attemptsCurrent alcohol use disorderHistory of STBSuicidal ideationSuicide attemptsBaseline predictorsDaily livingPopulation-based prospective cohort studySuicidal thoughtsLow purposeCurrent posttraumatic stress disorderProspective cohort studyTraditional risk factorsLower annual household incomeMultivariable regression analysisEvidence-based interventionsUS military veteransPosttraumatic stress disorderAnnual household incomeCohort studyTrauma burdenRisk factorsNational HealthFirearm Ownership Among a Nationally Representative Sample of U.S. Veterans
Fischer I, Aunon F, Nichter B, Hill M, Panza K, Kline A, Na P, Tsai J, Harpaz-Rotem I, Pietrzak R. Firearm Ownership Among a Nationally Representative Sample of U.S. Veterans. American Journal Of Preventive Medicine 2023, 65: 1129-1133. PMID: 37354925, DOI: 10.1016/j.amepre.2023.06.013.Peer-Reviewed Original ResearchConceptsU.S. veteransMultivariable logistic regression analysisLogistic regression analysisAlcohol use disorderSuicide prevention effortsU.S. military veteransNationally Representative SampleMale sexTrauma burdenNational HealthRepresentative sampleFirearm ownershipChi-square analysisUse disordersFirearm safetyIndependent sample t-testLifetime historyVeterans StudyPrevention effortsPsychiatric variablesMilitary veteransVeteransRegression analysisT-testSignificant main effect
2021
Severity of substance use as an indicator of suicide risk among U.S. military veterans
Na PJ, Nichter B, Hill ML, Kim B, Norman SB, Pietrzak RH. Severity of substance use as an indicator of suicide risk among U.S. military veterans. Addictive Behaviors 2021, 122: 107035. PMID: 34246987, DOI: 10.1016/j.addbeh.2021.107035.Peer-Reviewed Original ResearchConceptsAlcohol Use Disorders Identification TestHigh-risk subsampleAlcohol use disorderPosttraumatic stress disorderPast-year suicidal ideationDrug use disordersMajor depressive disorderSevere alcohol use disorderUse disordersSuicide risk assessmentSuicidal ideationPast-year alcohol use disorderSubstance usePast-year drug use disordersStrong risk factorNon-prescription drugsCharacteristic curve analysisDisorders Identification TestU.S. military veteransDepressive disorderNational HealthRisk factorsClinical utilityElevated riskDrug use
2018
The PHQ-9 Item 9 based screening for suicide risk: a validation study of the Patient Health Questionnaire (PHQ)−9 Item 9 with the Columbia Suicide Severity Rating Scale (C-SSRS)
Na PJ, Yaramala SR, Kim JA, Kim H, Goes FS, Zandi PP, Voort J, Sutor B, Croarkin P, Bobo WV. The PHQ-9 Item 9 based screening for suicide risk: a validation study of the Patient Health Questionnaire (PHQ)−9 Item 9 with the Columbia Suicide Severity Rating Scale (C-SSRS). Journal Of Affective Disorders 2018, 232: 34-40. PMID: 29477096, DOI: 10.1016/j.jad.2018.02.045.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedCohort StudiesCross-Sectional StudiesDepressionFemaleHumansMaleMiddle AgedNeuropsychological TestsPregnancyReference StandardsRegistriesReproducibility of ResultsRisk AssessmentSensitivity and SpecificitySocioeconomic FactorsSuicidal IdeationSuicideSurveys and QuestionnairesYoung AdultConceptsPatient Health QuestionnaireColumbia-Suicide Severity Rating ScaleSeverity Rating ScaleSuicide riskItem 9Health QuestionnaireRating ScaleGold standardOverall poor resultsSuicide ideationClinical characteristicsOverall cohortCare registriesPHQ-9Depressed patientsClinical subgroupsSuicide itemPatientsPassive thoughtsSurrogate measureRiskPoor resultsFurther investigationIdeationAssessment tool
2016
Predictors of suicidal ideation in Korean American older adults: analysis of the Memory and Aging Study of Koreans (MASK)
Na PJ, Kim KB, Lee‐Tauler S, Han H, Kim MT, Lee HB. Predictors of suicidal ideation in Korean American older adults: analysis of the Memory and Aging Study of Koreans (MASK). International Journal Of Geriatric Psychiatry 2016, 32: 1272-1279. PMID: 27779333, PMCID: PMC5993045, DOI: 10.1002/gps.4608.Peer-Reviewed Original ResearchConceptsKorean American older adultsSelf-rated mental healthMinor depressive syndromeDepressive syndromeAmerican older adultsSuicidal ideationOlder adultsMental healthHealth statusPoor self-rated mental healthMajor depressive syndromePatient Health QuestionnairePhysical health statusMental health statusSuicide prevention interventionsCommunity-representative sampleHealth QuestionnaireEpidemiologic studiesPrevention interventionsSelf-rated mental health statusBaltimore-Washington areaSyndromeSuicide riskEarly detectionAging Study