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Correlates and clinical associations of military sexual assault in Gulf War era U.S. veterans: Findings from a national sample.

ABSTRACT: Military sexual assault (MSA) is a prevalent issue among military personnel that can have direct implications on postmilitary mental health. Gulf War era U.S. veterans represent the first cohort in which women veterans were integrated into most aspects of military service except for combat. The present study sought to build on prior studies by identifying characteristics associated with the occurrence of MSA and clinical correlates of MSA and examining how these differ between men and women. This study analyzed cross-sectional survey data from a national sample of treatment-seeking Gulf War era veterans. Participants (N = 1,153) reported demographic information, clinical outcomes, military background, and history of MSA. MSA was more common among female veterans (n = 100, 41.3%) than male veterans (n = 32, 3.6%). The odds of experiencing MSA were approximately 19 times higher for female veterans relative to their male peers, OR = 18.92, p < .001. Moreover, as expected, MSA was robustly associated with probable current posttraumatic stress disorder, probable current depression, and past-year suicidal ideation in female veterans, whereas combat exposure was robustly associated with these sequelae in male veterans. The present findings confirm that a large proportion of female veterans from the Gulf War era experienced MSA and highlight the deleterious correlates of MSA on veterans' mental health. Sex differences of correlates of MSA and subsequent clinical associations are highlighted.

SUBMITTER: Patel TA

PROVIDER: S-EPMC9357137 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature

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Correlates and clinical associations of military sexual assault in Gulf War era U.S. veterans: Findings from a national sample.

Patel Tapan A TA Mann Adam J AJ Nomamiukor Faith O FO Blakey Shannon M SM Calhoun Patrick S PS Beckham Jean C JC Pugh Mary J MJ Kimbrel Nathan A NA

Journal of traumatic stress 20220330 4

Military sexual assault (MSA) is a prevalent issue among military personnel that can have direct implications on postmilitary mental health. Gulf War era U.S. veterans represent the first cohort in which women veterans were integrated into most aspects of military service except for combat. The present study sought to build on prior studies by identifying characteristics associated with the occurrence of MSA and clinical correlates of MSA and examining how these differ between men and women. Thi ...[more]

PMID: 35355332

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Project description:OBJECTIVE:The 1990-1991 Gulf War employed more women servicemembers than any prior conflict. Gender-based differences among veterans of this era have yet to be explored. This study is among the first and most recent to stratify Gulf War veteran demographics, lifestyle factors, and self-reported diagnoses by gender. METHODS:Data from the cross-sectional Gulf War Era Cohort and Biorepository pilot study (n = 1,318; collected between 2014 and 2016), including users and nonusers of the Veterans Health Administration, were used to calculate demographics and adjusted odds ratios. RESULTS:Women veterans were oversampled and comprised approximately 23% of the sample. Women reported similar rates of Veterans Health Administration use (44%) and deployment (67%) as men (46% and 72%, respectively). Women were less likely than men to report frequent alcohol use (adjusted odds ratio [aOR], 0.59; 95% confidence interval [CI], 0.43-0.81; p = .0009) or have a history of smoking (aOR, 0.65; 95% CI, 0.49-0.84; p = .0014). Among common health conditions, women were more likely than men to report a diagnosis of osteoporosis (aOR, 4.24; 95% CI, 2.39-7.51; p < .0001), bipolar disorder (aOR, 2.15; 95% CI, 1.15-4.04; p = .0167), depression (aOR, 2.39; 95% CI, 1.81-3.16; p < .0001), irritable bowel syndrome (aOR, 2.10; 95% CI, 1.43-3.09; p = .0002), migraines (aOR, 2.96; 95% CI, 2.18-4.01; p < .0001), asthma (aOR, 1.86; 95% CI, 1.29-2.67; p = .0008), and thyroid problems (aOR, 4.60; 95% CI, 3.14-6.73; p < .0001). Women were less likely than men to report hypertension (aOR, 0.55; 95% CI, 0.41-0.72; p < .0001), tinnitus (aOR, 0.46; 95% CI, 0.33-0.63; p < .0001), and diabetes (aOR, 0.44; 95% CI, 0.28-0.69; p = .0003). CONCLUSIONS:Health differences exist between female and male veterans from the 1990-1991 Gulf War. Gender-specific analyses are needed to better understand the unique health care needs of Gulf War Era veterans and direct future research.

Project description:BackgroundMost research on military-related sexual assault is based on the United States military and has important limitations, such as low response rates. We sought to estimate the lifetime prevalence of sexual assault, assess its relation to military service and identify the circumstances, correlates and associations with mental disorders of military-related sexual assault among Canadian military personnel.MethodsWe used the 2013 Canadian Forces Mental Health Survey, a cross-sectional representative survey of Canadian Regular Force personnel (n = 6696). The sample was weighted to be representative of the entire Canadian Armed Forces Regular Force population in 2012 (n = 67 776), as per Statistics Canada requirements. We assessed lifetime trauma exposure and past-year mental disorders using the Composite International Diagnostic Interview. We defined lifetime military-related sexual assault as forced sexual activity or unwanted sexual touching that occurred on deployment or in another military workplace, or was perpetrated by Department of National Defence or Canadian Armed Forces personnel. We defined all other sexual assault as non-military-related sexual assault.ResultsSelf-reported sexual assault was more prevalent among women (non-military-related sexual assault 24.2%, military-related sexual assault 15.5%) than men (5.9% and 0.8%, respectively). About a quarter of women with military-related sexual assault reported experiencing at least 1 event on deployment. After covariates were controlled for, military-related sexual assault was independently associated with any lifetime and any past-year mental disorder (adjusted odds ratio 2.9 and 3.0, respectively) and lifetime and past-year posttraumatic stress disorder (adjusted odds ratio 4.3 and 4.1, respectively).InterpretationCanadian military women are at increased risk for sexual assault and military-related sexual assault relative to their male counterparts. Deployment may be a period of elevated risk for military-related sexual assault, and women who reported military-related sexual assault are more likely to have experienced mental disorders, especially posttraumatic stress disorder.

Project description:Gulf War Illness (GWI) is a chronic disorder affecting approximately 30% of the veterans who served in the 1991 Gulf War. It is characterised by a constellation of symptoms including musculoskeletal pain, cognitive problems and fatigue. The cause of GWI is not definitively known but exposure to neurotoxicants, the prophylactic use of pyridostigmine bromide (PB) pills, and/or stressors during deployment have all been suspected to play some pathogenic role. Recent animal models of GWI have suggested that neuroinflammatory mechanisms may be implicated, including a dysregulated activation of microglia and astrocytes. However, neuroinflammation has not previously been directly observed in veterans with GWI. To measure GWI-related neuroinflammation in GW veterans, we conducted a Positron Emission Tomography (PET) study using [11C]PBR28, which binds to the 18 kDa translocator protein (TSPO), a protein upregulated in activated microglia/macrophages and astrocytes. Veterans with GWI (n = 15) and healthy controls (HC, n = 33, including a subgroup of healthy GW veterans, HCVET, n = 8), were examined using integrated [11C]PBR28 PET/MRI. Standardized uptake values normalized by occipital cortex signal (SUVR) were compared across groups and against clinical variables and circulating inflammatory cytokines (TNF-α, IL-6 and IL-1β). SUVR were validated against volume of distribution ratio (n = 13). Whether compared to the whole HC group, or only the HCVET subgroup, veterans with GWI demonstrated widespread cortical elevations in [11C]PBR28 PET signal, in areas including precuneus, prefrontal, primary motor and somatosensory cortices. There were no significant group differences in the plasma levels of the inflammatory cytokines evaluated. There were also no significant correlations between [11C]PBR28 PET signal and clinical variables or circulating inflammatory cytokines. Our study provides the first direct evidence of brain upregulation of the neuroinflammatory marker TSPO in veterans with GWI and supports the exploration of neuroinflammation as a therapeutic target for this disorder.

Project description:The Boston University-based Gulf War Illness Consortium (GWIC) is a multidisciplinary initiative developed to provide detailed understanding of brain and immune alterations that underlie Gulf War illness (GWI), the persistent multisymptom disorder associated with military service in the 1990-1991 Gulf War. The core GWIC case-control clinical study conducted in-depth brain and immune evaluation of 269 Gulf War veterans (223 GWI cases, 46 controls) at three U.S. sites that included clinical assessments, brain imaging, neuropsychological testing, and analyses of a broad range of immune and immunogenetic parameters. GWI cases were similar to controls on most demographic, military, and deployment characteristics although on average were two years younger, with a higher proportion of enlisted personnel vs. officers. Results of physical evaluation and routine clinical lab tests were largely normal, with few differences between GWI cases and healthy controls. However, veterans with GWI scored significantly worse than controls on standardized assessments of general health, pain, fatigue, and sleep quality and had higher rates of diagnosed conditions that included hypertension, respiratory and sinus conditions, gastrointestinal conditions, and current or lifetime depression and post-traumatic stress disorder. Among multiple deployment experiences/exposures reported by veterans, multivariable logistic regression identified just two significant GWI risk factors: extended use of skin pesticides in theater (adjusted OR = 3.25, p = 0.005) and experiencing mild traumatic brain injury during deployment (OR = 7.39, p = 0.009). Gulf War experiences associated with intense stress or trauma (e.g., participation in ground combat) were not associated with GWI. Data and samples from the GWIC project are now stored in a repository for use by GWI researchers. Future reports will present detailed findings on brain structure and function, immune function, and association of neuroimmune measures with characteristics of GWI and Gulf War service.

Dataset Information

Correlates and clinical associations of military sexual assault in Gulf War era U.S. veterans: Findings from a national sample.

Publications

Correlates and clinical associations of military sexual assault in Gulf War era U.S. veterans: Findings from a national sample.

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