• Author: Nathan A. Kimbrel
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Social connection and suicidal thoughts and behaviors in the Million Veteran Program cohort

Abstract: People with lower levels of social connection are at increased risk for suicidal thoughts and behaviors. This extends to populations at greater risk of death by suicide, …

Evaluation of the critical warzone experiences scale among Gulf War I-era Veterans: Associations with PTSD symptoms, depressive symptoms, and suicidal thoughts and behaviors

Abstract: Prior research has established the psychometric properties of the Critical Warzone Experiences (CWE) scale among post-9/11 Iraq/Afghanistan-era veterans; however, the …

Deployment-Related Toxic Exposures Are Associated with Worsening Mental and Physical Health After Military Service: Results from a Self-Report Screening of Veterans Deployed After 9/11

Abstract: Exposure to toxins-such as heavy metals and air pollution-can result in poor health and wellbeing. Recent scientific and media attention has highlighted negative health …

Demographic Characteristics and Epigenetic Biological Aging Among Post-9/11 Veterans: Associations of DunedinPACE with Sex, Race, and Age

Abstract: Measures of epigenetic aging derived from DNA methylation (DNAm) have enabled the assessment of biological aging in new populations and cohorts. In the present study, we …

Correlates of suicidal behaviors and genetic risk among United States Veterans with schizophrenia or bipolar I disorder

Abstract: Persons diagnosed with schizophrenia (SCZ) or bipolar I disorder (BPI) are at high risk for self-injurious behavior, suicidal ideation, and suicidal behaviors (SB). …

High dimensional predictions of suicide risk in 4.2 million US Veterans using ensemble transfer learning

Abstract: We present an ensemble transfer learning method to predict suicide from Veterans Affairs (VA) electronic medical records (EMR). A diverse set of base models was trained …

Posttraumatic stress disorder, trauma, and accelerated biological aging among post-9/11 Veterans

Abstract: People who experience trauma and develop posttraumatic stress disorder (PTSD) are at increased risk for poor health. One mechanism that could explain this risk is …

Genome-wide DNA methylation analysis of cannabis use disorder in a Veteran cohort enriched for posttraumatic stress disorder

Abstract: Cannabis use has been increasing over the past decade, not only in the general US population, but particularly among military veterans. With this rise in use has come a …

Mental health treatment utilization among Gulf War era Veterans with probable alcohol use disorder

Abstract: INTRODUCTION: Alcohol use disorder (AUD) is prevalent among veterans, and excessive alcohol use is associated with significant mental and physical health consequences. …

Sleep apnea among Gulf War Veterans: An examination of VA utilization rates, treatment initiation, and health outcomes

Abstract: OBJECTIVES: Obstructive sleep apnea (OSA) among veterans is frequently underdiagnosed and undertreated. The present study sought to: 1) characterize the prevalence and …

Correlates of risk for disinhibited behaviors in the million Veteran program cohort

Abstract: IMPORTANCE: Many psychiatric outcomes share a common etiologic pathway reflecting behavioral disinhibition, generally referred to as externalizing (EXT) disorders. Recent …

Nonsuicidal self-injury Methods among U.S. veterans: latent class analysis and associations with psychosocial outcomes

Abstract: Nonsuicidal self-injury (NSSI) is a debilitating concern among U.S. veterans, with wall/object-punching commonly endorsed as an NSSI Method. We examined how this behavior …