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
2021
Psychosocial moderators of polygenic risk for suicidal ideation: Results from a 7-year population-based, prospective cohort study of U.S. veterans
Na PJ, De Angelis F, Nichter B, Wendt FR, Krystal JH, Southwick SM, Levey DF, Gelernter J, Polimanti R, Pietrzak RH. Psychosocial moderators of polygenic risk for suicidal ideation: Results from a 7-year population-based, prospective cohort study of U.S. veterans. Molecular Psychiatry 2021, 27: 1068-1074. PMID: 34725455, DOI: 10.1038/s41380-021-01352-2.Peer-Reviewed Original ResearchConceptsNew-onset suicidal ideationChronic suicidal ideationPolygenic risk scoresSuicidal ideationProspective cohort studyPolygenic riskRisk of SIHigher baseline levelsHigh polygenic riskModifiable psychosocial factorsSocial supportDispositional optimismCohort studyProspective cohortUS veteransSymptomatic courseRisk scorePsychosocial factorsGenome-wide association studiesBaseline levelsU.S. veteransSuicidal thoughtsPsychosocial moderatorsStudy periodLarge genome-wide association studies