Sexually transmitted infections and sexual behaviour of deploying shipboard US military personnel: a cross-sectional analysis.

OBJECTIVES: Sexually transmitted infection (STI) prevalence and risk behaviour may differ at different phases of deployment. We examined STI prevalence and sexual behaviour in the predeployment time period (12 months prior) among recently deployed shipboard US Navy and Marine Corps military personnel. METHODS: Data were collected from 1938 male and 515 female service members through an anonymous, self-completed survey assessing sexual behaviours and STI acquisition characteristics in the past 12 months. Cross-sectional sex-stratified descriptive statistics are reported. RESULTS: Overall, 67% (n=1262/1896) reported last sex with a military beneficiary (spouse, n=931, non-spouse service member, n=331). Among those with a sexual partner outside their primary partnership, 24% (n=90/373) reported using a condom the last time they had sex and 30% (n=72/243) reported their outside partner was a service member. In total, 90% (n=210/233) reported acquiring their most recent STI in the USA (88%, n=126/143 among those reporting ≥1 deployments and an STI ≥1 year ago) and a significantly higher proportion (p<0.01) of women than men acquired the STI from their regular partner (54% vs 21%) and/or a service member (50% vs 26%). CONCLUSIONS: Findings suggest a complex sexual network among service members and military beneficiaries. Findings may extend to other mobile civilian and military populations. Data suggest most STI transmission within the shipboard community may occur in local versus foreign ports but analyses from later time points in deployment are needed. These data may inform more effective STI prevention interventions.

A summary of the U.S. Marine Recruit Assessment Program (RAP) procedures and survey from 2003 to 2021

The Recruit Assessment Program (RAP) is a cross-sectional, baseline survey of U.S. Marine recruits administered at Marine Corps Recruit Depot, San Diego. This report presents RAP study procedures and survey content that was administered to 229,015 participants between 2003 and 2021. Self-reported data were collected on recruit demographics, physical and mental health, adverse life experiences, lifestyle and risky behaviors, and substance use. In 2013, the survey was updated to remove questions with other linkable and reliable sources and those with low completion rates and low relevance to Marine health research; the removal of these items allowed for the addition of instrument measures for major depression, post-traumatic stress disorder, anger, and resilience with no significant change to overall survey length. Average completion rates are approximately 95%. Multiple studies have shown the utility of RAP data collected thus far as a robust data repository of pre-service health and behavioral measures.

Pre-Service Predictors of New-Onset Alcohol Misuse in Male United States Marines.

INTRODUCTION: U.S. military personnel have a high prevalence of alcohol misuse, which can adversely affect force readiness. The objective of this study was to identify pre-service predictors of new-onset alcohol misuse among male Marines. METHODS: Data for this retrospective cohort study were collected from male U.S. Marines who completed a baseline survey at the beginning of military training from 2013 to 2021 and a standard health assessment 12-36 months later (n=28,337). An Alcohol Use Disorders Identification Test-Consumption (AUDIT-C) score ≥4 indicated alcohol misuse. Independent predictors of alcohol misuse were evaluated using a modified Poisson regression to calculate adjusted risk ratios (aRRs) and 95% CIs. Analyses were conducted between 2022 and 2024. RESULTS: The incidence of new-onset alcohol misuse was 16.3% (n=4,632). In the final multivariable model, the strongest predictor of new-onset alcohol misuse was turning 21 years old during the study period (aRR 3.70, 95% CI: 3.40-4.03). Pre-service tobacco use (aRR 1.32, 95% CI: 1.22-1.43) and some pre-service alcohol use (AUDIT-C score 1-3: aRR 1.32, 95% CI: 1.24-1.40) were also associated with new-onset alcohol misuse. CONCLUSIONS: Multiple pre-service predictors were associated with new-onset alcohol misuse in male Marines. These findings should be considered when screening for alcohol misuse and developing clinical interventions to mitigate adverse impacts of alcohol misuse in the military.

Pre-service factors associated with sexual misconduct among male U.S. Marines.

PURPOSE: Sexual assault is a prevalent and persistent problem in the military, yet few studies have examined predictors of sexual offenses. The study aim was to determine pre-service factors associated with sexual offense conviction among U.S. Marines. METHODS: This retrospective cohort study analyzed data from male active duty U.S. Marines (2003-2018). Pre-service factors were assessed using survey data from the Recruit Assessment Program, obtained prior to recruit training at the Marine Corps Recruit Depot, San Diego, California. These survey data were linked with sexual offense conviction data obtained from the Naval Criminal Investigative Service Consolidated Law Enforcement Operations Center. RESULTS: Of the 146,307 participants, the majority were 18-19 years old (66.7%) and non-Hispanic, White (62.1%) with a high school education or less (76.8%); 107 received convictions for a sexual offense. In unadjusted analyses, race and ethnicity, parental education, type of primary caregiver, parental death, family economic status, childhood emotional trauma, childhood physical abuse, childhood sexual abuse, and unprotected sex were associated with a sexual offense conviction. In the final multivariable model, race and ethnicity (American Indian/Alaskan Native, odds ratio [OR]: 5.28, 95% confidence interval [CI]: 1.86-14.98; Hispanic, OR: 1.83, 95% CI: 1.06-3.18; multiracial/other, OR: 3.28, 95% CI: 1.56-6.89), education (≤ high school, OR: 2.65; 95% CI: 1.21-5.80), parental death (OR: 2.27; 95% CI: 1.16-4.45), unprotected sex (OR: 1.78; 95% CI: 1.03-3.05), and school suspension/expulsion (OR: 1.64; 95% CI: 1.02-2.65) were significant predictors of a subsequent sexual offense conviction. CONCLUSIONS: Results underscore the importance of understanding factors associated with sexual offense and highlight the large discrepancy between self-reported estimates of sexual assault and sexual offense convictions. Findings may inform the development of effective strategies to reduce sexual misconduct, such as technology-facilitated programs that provide private, targeted education; supportive assistance; and prevention materials to individuals who may have elevated sexual misconduct risk.

Self-reported HIV-positive status but subsequent HIV-negative test result using rapid diagnostic testing algorithms among seven sub-Saharan African military populations.

HIV rapid diagnostic tests (RDTs) combined in an algorithm are the current standard for HIV diagnosis in many sub-Saharan African countries, and extensive laboratory testing has confirmed HIV RDTs have excellent sensitivity and specificity. However, false-positive RDT algorithm results have been reported due to a variety of factors, such as suboptimal quality assurance procedures and inaccurate interpretation of results. We conducted HIV serosurveys in seven sub-Saharan African military populations and recorded the frequency of personnel self-reporting HIV positivity, but subsequently testing HIV-negative during the serosurvey. The frequency of individuals who reported they were HIV-positive but subsequently tested HIV-negative using RDT algorithms ranged from 3.3 to 91.1%, suggesting significant rates of prior false-positive HIV RDT algorithm results, which should be confirmed using biological testing across time in future studies. Simple measures could substantially reduce false-positive results, such as greater adherence to quality assurance guidelines and prevalence-specific HIV testing algorithms as described in the World Health Organization's HIV testing guidelines. Other measures to improve RDT algorithm specificity include classifying individuals with weakly positive test lines as HIV indeterminate and retesting. While expansion of HIV testing in resource-limited countries is critical to identifying HIV-infected individuals for appropriate care and treatment, careful attention to potential causes of false HIV-positive results are needed to prevent the significant medical, psychological, and fiscal costs resulting from individuals receiving a false-positive HIV diagnosis.

Acceptability of mental health stigma-reduction training and initial effects on awareness among military personnel.

The purpose of this paper is to report on the development of a mental health stigma reduction toolkit and training, and the acceptability and level of stigma awareness following the stigma-reduction training for military personnel. The overall aims of the training were to provide discussion tools highlighting the experiences of Marines seeking help for stress concerns, improve communication between leaders and their Marines around the issue of help seeking, and familiarize Marines with behavioral health treatment. Senior enlisted leaders and officers (N = 52) from a Marine Corps battalion participated in a pretest, 2-h stigma-reduction training and immediate posttest. Acceptability of the training was measured by querying participants about the usefulness and helpfulness of the training among other factors, and stigma awareness was measured with 10 items about mental health stigma. The stigma-reduction training and materials were well accepted by participants. In addition, there was a significant improvement in four of ten stigma-reduction awareness concepts measured before and immediately after the training, which included an increase in agreement that mental health treatments are usually effective in reducing stress reactions [t(51) = -3.35, p = 0.002], and an increase in disagreement that seeking counseling after a deployment will jeopardize future deployments [t(51) = -3.05, p = 0.004]. Level of agreement with several statements including those regarding perceptions of invincibility, and malingering, among others, did not change significantly after the training. The stigma-reduction training containing educational and contact strategies was highly acceptable to the leaders and may have promise for initially dispelling myths associated with seeking help for stress concerns among military service members; however, results indicate that there is clearly more work to be done in combatting stigma.