Thomas V. Williams

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This study examined the extent to which high levels of occupational and family stress were associated with mental health problems and productivity loss among active duty military personnel. We analyzed data from the 2002 Department of Defense Survey of Health-Related Behaviors among Military Personnel, which provided extensive population-based information(More)
The Hedgehog (Hh) pathway regulates the growth of a subset of adult gliomas and better definition of Hh-responsive subtypes could enhance the clinical utility of monitoring and targeting this pathway in patients. Somatic mutations of the isocitrate dehydrogenase (IDH) genes occur frequently in WHO grades II and III gliomas and WHO grade IV secondary(More)
OBJECTIVES We identified to what extent the Department of Defense postdeployment health surveillance program identifies at-risk drinking, alone or in conjunction with psychological comorbidities, and refers service members who screen positive for additional assessment or care. METHODS We completed a cross-sectional analysis of 333 803 US Army active duty(More)
BACKGROUND National rates of cesarean birth continue a three decade-long escalation, despite widespread recognition that a reduction in the use of the procedure is a continuing appropriate public health goal, as evidenced by the Healthy People 2010 reduction targets. Nonclinical factors associated with cesarean delivery include maternal age, race,(More)
OBJECTIVES Our objective was to analyze the association between deployment characteristics and diagnostic rates for major depression and substance use disorder among active duty personnel. METHODS Using active duty personnel serving between 2001 and 2006 (n = 678,382) and deployment information from the Contingent Tracking System, we identified(More)
OBJECTIVE To assess racial and ethnic differences in asthma prevalence, treatment patterns, and outcomes among a diverse population of children with equal access to health care. DESIGN Retrospective cohort analysis. SETTING The Military Health System. PARTICIPANTS A total of 822 900 children aged 2 through 17 years continuously enrolled throughout(More)
OBJECTIVE Children are frequently perceived to be healthy, low-risk individuals with a majority of clinical services devoted to health maintenance and preventive clinical services. However, a subset of children have unique needs that require specialized care to achieve optimal health outcomes. The purpose of this research was to use survey tools that have(More)
OBJECTIVES The study objective was to estimate complementary and alternative medicine (CAM) use among active duty military and compare data with civilian use. DESIGN A global survey on CAM use in the 12 previous months was conducted. Final participants (16,146) were stratified by gender, service, region, and pay grade. Analysis included prevalence of CAM(More)
BACKGROUND The U.S. Department of Defense provides medical services for approximately 9.1 million beneficiaries, one-half of whom are women. Information is lacking about how well the military health system has adopted patient-centered approaches for promoting individual choice and preference in a bureaucratically structured military hospital. The purpose of(More)
BACKGROUND Physicians can provide important information about how managed care plans affect the delivery of health care. Assessments of the quality of managed care plans have rarely used physician evaluations. OBJECTIVES To elicit physician evaluations of managed care plans and to determine factors associated with those evaluations. RESEARCH DESIGN(More)