• Author: Joseph J. Knapik
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Many types of comorbidities are associated with clinically diagnosed insomnia in United States military service members

Abstract: OBJECTIVES: This cross-sectional investigation examined associations between clinically diagnosed insomnia (CDI) and comorbid conditions in United States military service …

Associations between body mass index and filled prescription medications among US military service members

Abstract: This cross-sectional investigation examined associations between body mass index (BMI) and filled prescription medications (FPMs) among military service members (SMs). A …

Associations between prescription medications and sleep duration, insomnia, and sleep apnea in US military service members

Abstract: Study Objectives: This study examined associations between filled prescription medications (FPMs) and sleep duration, insomnia, and sleep apnea (SA). Methods: Active-duty …

Trends and factors associated with insomnia and sleep apnea in U.S. military aviators, 2006-2022

Abstract: Introduction: Insomnia and sleep apnea (SA) can have adverse effects on operating aircraft. This study examined trends in insomnia and SA incidence rates in U.S. military …

Insomnia and sleep apnea in the entire population of US Army soldiers: Associations with deployment and combat exposure 2010-2019, a retrospective cohort investigation

Abstract: Objectives: This retrospective cohort study examined clinically diagnosed insomnia and sleep apnea and analyzed associations with deployment and combat exposure in …

Longitudinal changes in dietary supplement use among United States military personnel: The US military dietary supplement use study

Abstract: Previous studies investigating temporal changes in dietary supplement (DS) use have used representative samples but have not followed the same cohort over time. This …

Associations between chronic medical conditions and persistent dietary supplement use: The US military dietary supplement use study

Abstract: This longitudinal study examined associations between chronic medical conditions (CMCs) and persistent dietary supplement (DS) use. On two separate occasions, 1.3 ± 0.2 …

Longitudinal changes in adverse effects reporting in multiple dietary supplement classifications: The US military dietary supplement use study

Abstract: Over 70% of United States military service members (SMs) regularly use dietary supplements (DSs) and about 18% have reported adverse effects (AEs) associated with use. …

Prevalence and adverse effects of sport-related nutritional supplements (sport drinks, bars, and gels) in the military before and during the COVID-19 pandemic: the US Military Dietary Supplement Use Study

Abstract: BACKGROUND: Sport-related nutritional supplements (SRNS) include sport drinks, sport bars, and sport gels. This investigation examined temporal patterns in SRNS use and …

Sex differences in mood, hormone and immune response to combatives training in West Point cadets

Abstract: Hand-to-hand combat training, known as combatives, instructs Soldiers in close-quarters combat techniques and how to cope with stress, understand controlled physical …

The medical burden of obesity and overweight in the US military: association of BMI with clinically diagnosed medical conditions in United States military service members

Abstract: Background: A high BMI is associated with various medical conditions, notably type 2 diabetes, cardiovascular disease, and mental health disorders. In the US military, …

Risk Factors for Medical Discharge From United States Army Basic Combat Training

Abstract: Past studies indicated that overall Basic Combat Training (BCT) attrition (discharge) was associated with various risk factors. BCT has changed considerably since many …