Walter F Stewart

Summary

Affiliation: Geisinger Medical Center
Country: USA

Publications

  1. ncbi request reprint Lost productive time and cost due to common pain conditions in the US workforce
    Walter F Stewart
    AdvancePCS Center for Work and Health, Hunt Valley, MD, USA
    JAMA 290:2443-54. 2003
  2. pmc Prevalence of self-reported diagnosis of diabetes mellitus and associated risk factors in a national survey in the US population: SHIELD (Study to Help Improve Early evaluation and management of risk factors Leading to Diabetes)
    Harold E Bays
    Louisville Metabolic and Atherosclerosis Research Center, Louisville, KY, USA
    BMC Public Health 7:277. 2007
  3. ncbi request reprint Health-related lost productive time (LPT): recall interval and bias in LPT estimates
    Walter F Stewart
    The AdvancePCS Center for Work and Health, Hunt Valley, Maryland, USA
    J Occup Environ Med 46:S12-22. 2004
  4. ncbi request reprint Cost of lost productive work time among US workers with depression
    Walter F Stewart
    AdvancePCS Center for Work and Health, Hunt Valley, MD, USA
    JAMA 289:3135-44. 2003
  5. doi request reprint Cumulative lifetime migraine incidence in women and men
    W F Stewart
    Geisinger Clinic, Center for Health Research, Danville, PA 17822, USA
    Cephalalgia 28:1170-8. 2008
  6. doi request reprint Predictors of variability in urinary incontinence and overactive bladder symptoms
    W F Stewart
    Geisinger Health System, Danville, Pennsylvania 17822, USA
    Neurourol Urodyn 29:328-35. 2010
  7. doi request reprint Employment and work impact of chronic migraine and episodic migraine
    Walter F Stewart
    Geisinger Clinic, Center for Health Research, Danville, PA 17822, USA
    J Occup Environ Med 52:8-14. 2010
  8. ncbi request reprint Lost productive work time costs from health conditions in the United States: results from the American Productivity Audit
    Walter F Stewart
    AdvancePCS Center for Work and Health, Hunt Valley, Maryland, USA
    J Occup Environ Med 45:1234-46. 2003
  9. ncbi request reprint Effects of lead on the adult brain: a 15-year exploration
    Walter F Stewart
    Center for Health Research, Geisinger Clinic, Danville, Pennsylvania 17822, USA
    Am J Ind Med 50:729-39. 2007
  10. ncbi request reprint Past adult lead exposure is linked to neurodegeneration measured by brain MRI
    W F Stewart
    Center for Health Research and Rural Advocacy, Geisinger Clinic, Danville, PA 17822, USA
    Neurology 66:1476-84. 2006

Research Grants

  1. AGE, LEAD EXPOSURE, AND NEUROBEHAVIORAL DECLINE
    Walter Stewart; Fiscal Year: 2002
  2. AGE, LEAD EXPOSURE AND NEUROBEHAVIORAL DECLINE
    Walter Stewart; Fiscal Year: 1993
  3. AGE, LEAD EXPOSURE, AND NEUROBEHAVIORAL DECLINE
    Walter Stewart; Fiscal Year: 2000
  4. AGE, LEAD EXPOSURE, AND NEUROBEHAVIORAL DECLINE
    Walter Stewart; Fiscal Year: 2001

Detail Information

Publications75

  1. ncbi request reprint Lost productive time and cost due to common pain conditions in the US workforce
    Walter F Stewart
    AdvancePCS Center for Work and Health, Hunt Valley, MD, USA
    JAMA 290:2443-54. 2003
    ..Common pain conditions appear to have an adverse effect on work, but no comprehensive estimates exist on the amount of productive time lost in the US workforce due to pain...
  2. pmc Prevalence of self-reported diagnosis of diabetes mellitus and associated risk factors in a national survey in the US population: SHIELD (Study to Help Improve Early evaluation and management of risk factors Leading to Diabetes)
    Harold E Bays
    Louisville Metabolic and Atherosclerosis Research Center, Louisville, KY, USA
    BMC Public Health 7:277. 2007
    ....
  3. ncbi request reprint Health-related lost productive time (LPT): recall interval and bias in LPT estimates
    Walter F Stewart
    The AdvancePCS Center for Work and Health, Hunt Valley, Maryland, USA
    J Occup Environ Med 46:S12-22. 2004
    ..Our data suggest that variation in relatively short recall periods influences estimates of health-related LPT. A 2-week recall period may be optimal for minimizing overall reporting error but requires additional research to verify...
  4. ncbi request reprint Cost of lost productive work time among US workers with depression
    Walter F Stewart
    AdvancePCS Center for Work and Health, Hunt Valley, MD, USA
    JAMA 289:3135-44. 2003
    ..Evidence consistently indicates that depression has adversely affected work productivity. Estimates of the cost impact in lost labor time in the US workforce, however, are scarce and dated...
  5. doi request reprint Cumulative lifetime migraine incidence in women and men
    W F Stewart
    Geisinger Clinic, Center for Health Research, Danville, PA 17822, USA
    Cephalalgia 28:1170-8. 2008
    ..Four of every 10 women and two of every 10 men will contract migraine in their lifetime, most before age 35 years. The incidence estimates from this analysis are consistent with those reported in previous longitudinal studies...
  6. doi request reprint Predictors of variability in urinary incontinence and overactive bladder symptoms
    W F Stewart
    Geisinger Health System, Danville, Pennsylvania 17822, USA
    Neurourol Urodyn 29:328-35. 2010
    ..We used data from the General Longitudinal Overactive Bladder Evaluation (GLOBE) to understand predictors of variation in urgency and urinary incontinence (UI) symptoms over time...
  7. doi request reprint Employment and work impact of chronic migraine and episodic migraine
    Walter F Stewart
    Geisinger Clinic, Center for Health Research, Danville, PA 17822, USA
    J Occup Environ Med 52:8-14. 2010
    ..To determine work impact of chronic migraine (CM) versus episodic migraine (EM)...
  8. ncbi request reprint Lost productive work time costs from health conditions in the United States: results from the American Productivity Audit
    Walter F Stewart
    AdvancePCS Center for Work and Health, Hunt Valley, Maryland, USA
    J Occup Environ Med 45:1234-46. 2003
    ..Health-related LPT costs are substantial but largely invisible to employers. Costs vary significantly by worker characteristics, suggesting that intervention needs vary by specific subgroups...
  9. ncbi request reprint Effects of lead on the adult brain: a 15-year exploration
    Walter F Stewart
    Center for Health Research, Geisinger Clinic, Danville, Pennsylvania 17822, USA
    Am J Ind Med 50:729-39. 2007
    ..Historically, there has been minimal concern about the effect of adult lead exposure on the brain. Evidence from recent longitudinal studies raise concerns about the long-term effects of past exposure...
  10. ncbi request reprint Past adult lead exposure is linked to neurodegeneration measured by brain MRI
    W F Stewart
    Center for Health Research and Rural Advocacy, Geisinger Clinic, Danville, PA 17822, USA
    Neurology 66:1476-84. 2006
    ..To determine whether cumulative lead dose in former organolead workers was associated with MRI measures of white matter lesions (WML) and global and structure-specific brain volumes...
  11. doi request reprint Work impact of migraine headaches
    Walter F Stewart
    Geisinger Clinic, Center for Health Research, MC 44 00, 100 N Academy Ave, Danville, PA 17822, USA
    J Occup Environ Med 50:736-45. 2008
    ..To estimate work impact of headache among migraineurs...
  12. pmc Bridging the inferential gap: the electronic health record and clinical evidence
    Walter F Stewart
    Center for Health Research, Geisinger Clinic, Geisinger Health System, Danville, Pennsylvania, USA
    Health Aff (Millwood) 26:w181-91. 2007
    ..We consider how electronic health records (EHRs) will help narrow this gap by accelerating the creation of evidence relevant to everyday practice needs and facilitating real-time use of knowledge in practice...
  13. doi request reprint A case study for calculating employer costs for lost productive time in episodic migraine and chronic migraine: results of the American Migraine Prevalence and Prevention Study
    Walter F Stewart
    Geisinger Clinic, Center for Health Research, Danville, PA 17822, USA
    J Occup Environ Med 53:1161-71. 2011
    ..To model workplace lost productive time (LPT) from episodic migraine (EM) and chronic migraine (CM)...
  14. ncbi request reprint Lost productive time and costs due to diabetes and diabetic neuropathic pain in the US workforce
    Walter F Stewart
    Geisinger Clinic, Danville, PA 17822 3030, USA
    J Occup Environ Med 49:672-9. 2007
    ..Estimate the impact of diabetes and neuropathic pain on the US workforce...
  15. doi request reprint Longitudinal change in migraine headache-days and indirect cost consequences
    Walter F Stewart
    Geisinger Clinic, Center for Health Research, Danville, PA 17822, USA
    J Occup Environ Med 53:478-87. 2011
    ..To determine whether change in headache-days over 1-year is associated with change in lost productive time (LPT) among a population sample of migraineurs...
  16. ncbi request reprint Back pain exacerbations and lost productive time costs in United States workers
    Judith A Ricci
    Caremark, Hunt Valley, MD 21031, USA
    Spine (Phila Pa 1976) 31:3052-60. 2006
    ..Cross-sectional with follow-up case-control component...
  17. ncbi request reprint Pain exacerbation as a major source of lost productive time in US workers with arthritis
    Judith A Ricci
    Caremark, Hunt Valley, MD 21031, USA
    Arthritis Rheum 53:673-81. 2005
    ..To estimate the prevalence of arthritis and arthritis pain exacerbations in US workers including impact on functioning and lost productive work time (LPT)...
  18. doi request reprint Nicotinic acetylcholine receptor genes on chromosome 15q25.1 are associated with nicotine and opioid dependence severity
    Porat M Erlich
    Center for Health Research, Geisinger Health System, 100 N Academy Avenue, Danville, PA 17822 4400, USA
    Hum Genet 128:491-9. 2010
    ..While the association of this locus with NDS and smoking phenotypes is well known, the association with ODS, a dimension of opioid substance dependence, is novel and requires verification in independent studies...
  19. doi request reprint Prevalence of prescription opioid-use disorder among chronic pain patients: comparison of the DSM-5 vs. DSM-4 diagnostic criteria
    Joseph A Boscarino
    Center for Health Research, Geisinger Clinic, Danville, PA 17822 4400, USA
    J Addict Dis 30:185-94. 2011
    ..2% for severe opioid-use disorder, respectively. Given the changes proposed, the finding that the prevalence of and risk factors for DSM-5 opioid-use disorders were similar to DSM-4 were unexpected. Further research is advised...
  20. pmc Predictors of first-fill adherence for patients with hypertension
    Nirav R Shah
    Center for Health Research, Geisinger Clinic, Danville, Pennsylvania, USA
    Am J Hypertens 22:392-6. 2009
    ..Studies of prescription adherence have been hampered by methodologic problems. Most rely on patient self-report of adherence or cross-sectional data of plan-wide prescription fills to estimate patient-level adherence...
  21. ncbi request reprint Validation of the work and health interview
    Walter F Stewart
    The Advance PCS Center for Work and Health, Hunt Valley, Maryland
    Pharmacoeconomics 22:1127-40. 2004
    ..We describe the validation of the Work and Health Interview (WHI), a questionnaire that provides a measure of lost productive time (LPT) from work absence and reduced performance at work...
  22. doi request reprint Urinary incontinence in women: variation in prevalence estimates and risk factors
    Vatche A Minassian
    Division of Urogynecology and Reconstructive Pelvic Surgery, Department of Obstetrics and Gynecology, Geisinger Medical Center, Danville, Pennsylvania 17822, USA
    Obstet Gynecol 111:324-31. 2008
    ..To understand variation in prevalence of urinary incontinence (UI) and risk factors, given different definitions...
  23. pmc Association of chromosome 9p21 SNPs with cardiovascular phenotypes in morbid obesity using electronic health record data
    G Craig Wood
    Weis Center for Research, Geisinger Clinic, Danville, PA, 17822, USA
    Genomic Med 2:33-43. 2008
    ..Electronic health records may be efficient sources of data for validation studies of genetic associations...
  24. ncbi request reprint Lead and cognitive function in adults: a questions and answers approach to a review of the evidence for cause, treatment, and prevention
    Brian S Schwartz
    Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
    Int Rev Psychiatry 19:671-92. 2007
    ..The strong and compelling body of literature on lead and cognitive dysfunction and decline also supports a need for intervention studies to prevent lead-related cognitive decline...
  25. doi request reprint Body mass index and the built and social environments in children and adolescents using electronic health records
    Brian S Schwartz
    Department of Environmental Health Sciences, Johns Hopkins University, Baltimore, Maryland, USA
    Am J Prev Med 41:e17-28. 2011
    ..No prior studies in children have evaluated how age may modify relationships of the built and social environments with BMI, nor evaluated the range of scales and contexts over which places may influence health...
  26. ncbi request reprint Parity is not associated with urgency with or without urinary incontinence
    Annemarie G Hirsch
    Geisinger Clinic, Center for Health Research, 100 N Academy Ave MC 44 00, Danville, PA 17822, USA
    Int Urogynecol J 21:1095-102. 2010
    ..We used data from the General Longitudinal Overactive Bladder Evaluation to determine whether differences in case definitions could account for variation in findings...
  27. pmc Associations of renal function with polymorphisms in the delta-aminolevulinic acid dehydratase, vitamin D receptor, and nitric oxide synthase genes in Korean lead workers
    Virginia M Weaver
    Division of Occupational and Environmental Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
    Environ Health Perspect 111:1613-9. 2003
    ..08). No significant differences were seen in renal outcomes by VDR genotype, nor was consistent effect modification observed. The ALAD findings could be explained by lead-induced hyperfiltration...
  28. doi request reprint Patient satisfaction and physician productivity: complementary or mutually exclusive?
    G Craig Wood
    Center for Health Research, Geisinger Clinic, Danville, Pennsylvania 17822, USA
    Am J Med Qual 24:498-504. 2009
    ..003). The relationships between patient satisfaction and physician productivity were relatively small, suggesting that they are not necessarily incompatible and that both can be improved simultaneously...
  29. pmc Factors associated with first-fill adherence rates for diabetic medications: a cohort study
    Nirav R Shah
    Center for Health Research, Geisinger Clinic, Danville, PA 17822, USA
    J Gen Intern Med 24:233-7. 2009
    ..Little is known about first-fill adherence rates for diabetic medications and factors associated with non-fill...
  30. doi request reprint Risk factors for drug dependence among out-patients on opioid therapy in a large US health-care system
    Joseph A Boscarino
    Center for Health Research, Geisinger Health System, Danville, PA 17822 4400, USA
    Addiction 105:1776-82. 2010
    ..Our study sought to assess the prevalence of and risk factors for opioid drug dependence among out-patients on long-term opioid therapy in a large health-care system...
  31. doi request reprint Why do stress and urge incontinence co-occur much more often than expected?
    Vatche A Minassian
    Division of Urogynecology and Reconstructive Pelvic Surgery, Department of Obstetrics and Gynecology, Geisinger Health System, Danville, PA 17822, USA
    Int Urogynecol J Pelvic Floor Dysfunct 19:1429-40. 2008
    ..Longitudinal studies are needed to determine which model offers a dominant explanation for the high prevalence of mixed UI...
  32. pmc Associations between air pollution and peak expiratory flow among patients with persistent asthma
    Zhengmin Qian
    Department of Public Health Sciences, Pennsylvania State University, Hershey, Pennsylvania, USA
    J Toxicol Environ Health A 72:39-46. 2009
    ..The results show that the two medication regimens protected against the effects of PM(10). However, salmeterol increased the sensitivity to NO2 and triamcinalone enhanced the sensitivity to SO2...
  33. ncbi request reprint Seasonal pattern of the acute mortality effects of air pollution
    Zhengmin Qian
    Pennsylvania State College of Medicine, Hershey, PA, USA
    J Air Waste Manag Assoc 60:481-8. 2010
    ..13 to 1.04%) for summer, and -0.21% (95% CI: -0.54 to 0.12%) for fall. The results show a clear seasonal pattern of acute mortality effects of ambient air pollution and the strongest effects occurred during winter in the study city...
  34. doi request reprint Improving detection and treatment of osteoporosis: redesigning care using the electronic medical record and shared medical appointments
    W T Ayoub
    Geisinger Health System, State College and Danville, 200 Scenery Drive, State College, PA, 16803, USA
    Osteoporos Int 20:37-42. 2009
    ..This resulted in a significant increase in testing for osteoporosis by DXA scan. The high-risk patients were then offered a shared medical appointment, which resulted in improved treatment outcomes compared to usual care...
  35. ncbi request reprint Self-awareness of migraine: interpreting the labels that headache sufferers apply to their headaches
    Richard B Lipton
    IMR, Stamford, Connecticut and Hunt Valley, Maryland, USA
    Neurology 58:S21-6. 2002
    ..Therefore, public education should target people with severe or disabling headache and aim to create awareness of the diagnostic possibilities...
  36. pmc EHR safety: the way forward to safe and effective systems
    James M Walker
    Geisinger Health System, MC 30 06, 100 North Academy Avenue, Danville, PA 17822 3006, USA
    J Am Med Inform Assoc 15:272-7. 2008
    ....
  37. doi request reprint Postdischarge monitoring using interactive voice response system reduces 30-day readmission rates in a case-managed Medicare population
    Jove Graham
    Geisinger Center for Health Research, Danville, PA 17822 4400, USA
    Med Care 50:50-7. 2012
    ....
  38. doi request reprint How Geisinger's advanced medical home model argues the case for rapid-cycle innovation
    Glenn D Steele
    Geisinger Health System, Danville, PA, USA
    Health Aff (Millwood) 29:2047-53. 2010
    ..We hypothesize that the most important ingredient in our model has been the embedding of nurse case managers into our community practices and the real-time feedback of data on the use of health services by the most complex patients...
  39. ncbi request reprint Migraine and autonomic nervous system function: a population-based, case-control study
    Aaron Shechter
    Department of Epidemiology, The Johns Hopkins School of Hygiene and Public Health, Baltimore, MD, USA
    Neurology 58:422-7. 2002
    ..This study determines if measures of the function of the autonomic nervous system (ANS) differ in a population study of 80 migraine cases vs 85 controls matched for age, race, and sex...
  40. ncbi request reprint Apolipoprotein E epsilon 4 and short-term recovery from predominantly mild brain injury
    Joshua N Liberman
    Department of Epidemiology, Johns Hopkins School of Public Health, Baltimore, MD, USA
    Neurology 58:1038-44. 2002
    ..To determine whether APOE genotype explained variability in short-term recovery from predominantly mild traumatic brain injury (TBI)...
  41. doi request reprint The built environment and obesity: a systematic review of the epidemiologic evidence
    Jing Feng
    Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
    Health Place 16:175-90. 2010
    ..There was very little between-study similarity in methods in both types of approaches, which prevented estimation of pooled effects. The great heterogeneity across studies limits what can be learned from this body of evidence...
  42. doi request reprint Meaningful use in practice using patient-specific risk in an electronic health record for shared decision making
    J B Jones
    Center for Health Research, Geisinger Clinic, 100 N Academy Avenue, Danville, PA 17822, USA
    Am J Prev Med 40:S179-86. 2011
    ..Patients were risk-stratified. Higher-risk patients viewed an interactive web-based tool and chose options to modify risk factors. Feasibility was successful for use of the FRS in the interactive web tool...
  43. pmc Clinical effectiveness: Leadership in comparative effectiveness and translational research.: the 15th Annual HMO Research Network Conference, April 26-29, 2009, Danville, Pennsylvania
    Nirav R Shah
    Center for Health Research, Geisinger Health System, Danville, Pennsylvania 17822 3003, USA
    Clin Med Res 8:28-9. 2010
    ..This article provides some background on the network, its research activities, and the annual conference. This issue of Clinical Medicine & Research also includes selected scientific abstracts presented at the meeting...
  44. doi request reprint Association of morbid obesity with FTO and INSIG2 allelic variants
    Xin Chu
    Weis Center for Research, Geisinger Clinic, 100 N Academy Ave, Danville, PA 17822, USA
    Arch Surg 143:235-40; discussion 241. 2008
    ....
  45. ncbi request reprint Health-related quality of life among adults with symptoms of overactive bladder: results from a U.S. community-based survey
    J N Liberman
    Innovative Medical Research, Towson, Maryland, USA
    Urology 57:1044-50. 2001
    ..An important new finding from this study is that individuals with an overactive bladder, even without demonstrable urine loss, also have a poorer quality of life than that of controls...
  46. pmc Associations of lead biomarkers with renal function in Korean lead workers
    V M Weaver
    Division of Occupational and Environmental Health, Department of Environmental Health Sciences, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
    Occup Environ Med 60:551-62. 2003
    ..To compare associations of lead biomarkers with renal function in current and former lead workers...
  47. ncbi request reprint Relation of alleles of the sodium-potassium adenosine triphosphatase alpha 2 gene with blood pressure and lead exposure
    B S Glenn
    Department of Neurology, Kennedy Krieger Research Institute, Johns Hopkins Medical Institutions, Baltimore, MD, USA
    Am J Epidemiol 153:537-45. 2001
    ..However, because the number of subjects (especially African Americans) with the susceptible genotype in this study was small, these observations should be considered preliminary...
  48. ncbi request reprint The prevalence and disability burden of adult migraine in England and their relationships to age, gender and ethnicity
    T J Steiner
    Division of Neuroscience, Imperial College London, London, UK, Neuroepidemiology Branch, NINDS NIH, Bethesda, MD, USA
    Cephalalgia 23:519-27. 2003
    ..Migraine is an important public health problem in the UK, associated with very substantial costs...
  49. ncbi request reprint Familial risk of migraine: variation by proband age at onset and headache severity
    W F Stewart
    Center for Health Research and Rural Advocacy, Geisinger Health System, Baltimore, MD, USA
    Neurology 66:344-8. 2006
    ..It is well established that migraine aggregates within families. Less is known about the influence of proband characteristics (e.g., age at onset, headache severity) on familial aggregation...
  50. doi request reprint Major life changes before and after the onset of chronic daily headache: a population-based study
    A I Scher
    Department of Preventive Medicine and Biometrics, Uniformed Services University, Bethesda, MD, USA
    Cephalalgia 28:868-76. 2008
    ..33 (1.2, 1.50) vs. OR 1.04 (0.9, 1.2), P < 0.05 for interaction by age]. These results suggest that major life changes are associated with the onset of chronic daily headache, particularly in middle age...
  51. ncbi request reprint Coping strategies and health care-seeking behavior in a US national sample of adults with symptoms suggestive of overactive bladder
    J A Ricci
    Innovative Medical Research, Hunt Valley, Maryland 21031, USA
    Clin Ther 23:1245-59. 2001
    ..Objective: The purpose of this study was to describe coping strategies and health care-seeking behavior in a community-based sample of adults with symptoms suggestive of OAB...
  52. doi request reprint Elevated blood pressure in primary care varies in relation to circadian and seasonal changes
    C Thomas
    The Geisinger Clinic, Geisinger Center for Health Research, Danville, PA 17822, USA
    J Hum Hypertens 22:755-60. 2008
    ..Anticipation of changes in BP attributable to temporal factors may improve accuracy of diagnosis and precision of therapy...
  53. ncbi request reprint Screening for dementia by telephone using the memory impairment screen
    Richard B Lipton
    Department of Neurology, Albert Einstein College of Medicine, Bronx, New York 10461, USA
    J Am Geriatr Soc 51:1382-90. 2003
    ..To develop and assess telephone-based screening tests for dementia, especially Alzheimer's disease (AD)...
  54. ncbi request reprint The epidemiology and impact of migraine
    Marcelo E Bigal
    Department of Neurology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA
    Curr Neurol Neurosci Rep 4:98-104. 2004
    ..Probable migraine is a prevalent form of migraine, and like migraine with and without aura it produces decrements in health-related quality of life and increments in disability relative to control subjects...
  55. ncbi request reprint The longitudinal association of lead with blood pressure
    Barbara S Glenn
    Kennedy Krieger Institute, Department of Neurology, Johns Hopkins School of Hygiene and Public Health, Baltimore, MD 21205, USA
    Epidemiology 14:30-6. 2003
    ..Several investigators have reported an association of blood lead or bone lead with increased blood pressure and hypertension, but questions remain concerning whether these effects are acute or chronic in nature...
  56. pmc ApoE genotype, past adult lead exposure, and neurobehavioral function
    Walter F Stewart
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205, USA
    Environ Health Perspect 110:501-5. 2002
    ..In particular, the persistent CNS effect of lead may be more toxic in individuals who have at least one ApoE-Epsilon4 allele...
  57. ncbi request reprint Quality of life in a US national sample of adults with diabetes and motility-related upper gastrointestinal symptoms
    Reshmi Siddique
    Janssen Research Foundation, Titusville, New Jersey, USA
    Dig Dis Sci 47:683-9. 2002
    ..In conclusion, this is the first US national survey to demonstrate that motility-related upper gastrointestinal symptoms are associated with a significantly lower quality of life in individuals with diabetes...
  58. pmc Protein kinase C activity and the relations between blood lead and neurobehavioral function in lead workers
    Kyu Yoon Hwang
    Division of Occupational and Environmental Health, Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University, 615 North Wolfe Street, Baltimore, MD 21205, USA
    Environ Health Perspect 110:133-8. 2002
    ..We hypothesize that subjects with higher PKC activity in the presence of lead may be more susceptible to the health effects of lead...
  59. pmc Disparities in cognitive functioning by race/ethnicity in the Baltimore Memory Study
    Brian S Schwartz
    Department of Environmental Health Sciences, Division of Occupational and Environmental Health, Johns Hopkins Bloomberg School of Public Health, 615 North Wolfe Street, Baltimore, MD 21205, USA
    Environ Health Perspect 112:314-20. 2004
    ....
  60. pmc Cutaneous allodynia in the migraine population
    Richard B Lipton
    Department of Neurology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
    Ann Neurol 63:148-58. 2008
    ..To develop and validate a questionnaire for assessing cutaneous allodynia (CA), and to estimate the prevalence and severity of CA in the migraine population...
  61. ncbi request reprint Modeling age and retest processes in longitudinal studies of cognitive abilities
    Emilio Ferrer
    Department of Psychology, University of California, Davis, Davis, CA, USA
    Psychol Aging 19:243-59. 2004
    ..It is suggested that both age and retest should be modeled simultaneously when analyzing longitudinal data because part of the change across occasions may be attributable to practice or reactive effects...
  62. pmc Relations of brain volumes with cognitive function in males 45 years and older with past lead exposure
    Brian S Schwartz
    Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    Neuroimage 37:633-41. 2007
    ..In this cohort, an interesting group in which to examine structure-function relations, this finding provides a necessary condition to support the hypothesis that lead may influence cognitive function by its effect on brain volumes...
  63. ncbi request reprint Prevalence and socioeconomic impact of upper gastrointestinal disorders in the United States: results of the US Upper Gastrointestinal Study
    Michael Camilleri
    Mayo Clinic College of Medicine, Center for Enteric Neurosciences and Translational Epidemiological Research, Rochester, MN, USA
    Clin Gastroenterol Hepatol 3:543-52. 2005
    ..This study examined the prevalence of upper gastrointestinal (GI) symptoms and symptom groupings and determined impact on disability days in a nationally representative US sample...
  64. pmc Multivariate modeling of age and retest in longitudinal studies of cognitive abilities
    Emilio Ferrer
    Department of Psychology, University of California, Davis, CA 95616 8686, USA
    Psychol Aging 20:412-22. 2005
    ..The authors suggest that although the changes in memory and processing speed may be correlated over time, age alone does not capture such a covariation...
  65. ncbi request reprint Findings on brain MRI from research studies of occupational exposure to known neurotoxicants
    Hannah H Alphs
    Department of Radiology and Radiological Science, Johns Hopkins Hospital, Phipps Building, Room B112, 600 N Wolfe St, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 187:1043-7. 2006
    ..Our purpose is to identify the prevalence of incidental neuroradiologic abnormalities in an adult population with past occupational exposure to lead who underwent brain MRI as part of a large, longitudinal cohort study...
  66. ncbi request reprint Head or neck injury increases the risk of chronic daily headache: a population-based study
    James R Couch
    Department of Neurology, University of Oklahoma Medical School, Oklahoma City, OK 73104, USA
    Neurology 69:1169-77. 2007
    ..To evaluate the extent to which head and neck injury (HANI) contributes to chronic daily headache (CDH)...
  67. ncbi request reprint The comorbidity of headache with other pain syndromes
    Ann I Scher
    Department of Preventive Medicine and Biometrics, Uniformed Services University, Bethesda, MD 20814, USA
    Headache 46:1416-23. 2006
    ..We consider exogenous and endogenous factors, and methodological challenges, in understanding whether and how 2 pain conditions may be related...
  68. doi request reprint The molecular epidemiology of pain: a new discipline for drug discovery
    Mitchell B Max
    Center for Pain Research, Departments of Anesthesiology and Medicine, University of Pittsburgh, A 1305 Scaife Hall, 3550 Terrace St, Pittsburgh, Pennsylvania 15261, USA
    Nat Rev Drug Discov 7:647-58. 2008
    ..This Perspective outlines how methods of molecular epidemiology, proved effective in the study of other diseases, can enhance the returns from human genomic studies and expedite the development of new drugs to prevent or treat pain...
  69. ncbi request reprint Migraine disability assessment (MIDAS) score: relation to headache frequency, pain intensity, and headache symptoms
    Walter F Stewart
    Johns Hopkins School of Public Health, Baltimore, MD 21205, USA
    Headache 43:258-65. 2003
    ..To determine the extent to which variation in the Migraine Disability Assessment (MIDAS) score is associated with headache frequency, pain intensity, headache symptoms, gender, and employment status...
  70. ncbi request reprint Estimated economic costs of overactive bladder in the United States
    Teh Wei Hu
    Department of Health Economics, University of California, Berkeley, School of Public Health, Warren Hall, Room 412, Berkeley, CA 94720, USA
    Urology 61:1123-8. 2003
    ..To estimate the economic costs of overactive bladder (OAB), including community and nursing home residents, and to compare the costs in male versus female and older versus younger populations...
  71. doi request reprint Head or neck injury increases the risk of chronic daily headache: a population-based study
    Lars J Stovner
    Neurology 71:383-5. 2008
  72. ncbi request reprint Caffeine as a risk factor for chronic daily headache: a population-based study
    Ann I Scher
    Department of Preventive Medicine and Biometrics, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814, USA
    Neurology 63:2022-7. 2004
    ..To investigate the possible association of dietary caffeine consumption and medicinal caffeine use with chronic daily headache (CDH)...
  73. ncbi request reprint Immune reactive cells in senile plaques and cognitive decline in Alzheimer's disease
    Anne K Vehmas
    Department of Pathology, Neuropathology Division, The Johns Hopkins University School of Medicine, 720 Rutland Avenue, Ross 558, Baltimore, MD 21205 2196, USA
    Neurobiol Aging 24:321-31. 2003
    ..Tau immunoreactivity appears as the strongest morphological correlate of dementia...
  74. ncbi request reprint Hippocampal neurons in pre-clinical Alzheimer's disease
    Mark J West
    Department of Neurobiology, Institute of Anatomy, Building 234, University Park, Aarhus 8000, Denmark
    Neurobiol Aging 25:1205-12. 2004
    ..However, we did not observe a significant loss of neurons in CA1 or any of the other subdivisions of the hippocampus in preclinical AD...
  75. ncbi request reprint Tools for diagnosing migraine and measuring its severity
    Richard B Lipton
    Department of Neurology, The Albert Einstein College of Medicine, Bronx, NY, USA
    Headache 44:387-98. 2004
    ..Migraine is assessed to determine how well it meets criteria for screening and the steps that are necessary before firm public policy recommendations for screening for migraine are possible...

Research Grants9

  1. AGE, LEAD EXPOSURE, AND NEUROBEHAVIORAL DECLINE
    Walter Stewart; Fiscal Year: 2002
    ..These aims will be addressed in a three year study of 550 current study participants with past exposure to lead, 100 individuals who participated as controls, and an additional 100 newly recruited subjects with past lead exposure. ..
  2. AGE, LEAD EXPOSURE AND NEUROBEHAVIORAL DECLINE
    Walter Stewart; Fiscal Year: 1993
    ..The focus of this study is both of general interest in understanding the long term consequences of exposure to neurotoxins and relevant to models of degenerative changes observed in conditions like Alzheimer's disease...
  3. AGE, LEAD EXPOSURE, AND NEUROBEHAVIORAL DECLINE
    Walter Stewart; Fiscal Year: 2000
    ..These aims will be addressed in a three year study of 550 current study participants with past exposure to lead, 100 individuals who participated as controls, and an additional 100 newly recruited subjects with past lead exposure. ..
  4. AGE, LEAD EXPOSURE, AND NEUROBEHAVIORAL DECLINE
    Walter Stewart; Fiscal Year: 2001
    ..These aims will be addressed in a three year study of 550 current study participants with past exposure to lead, 100 individuals who participated as controls, and an additional 100 newly recruited subjects with past lead exposure. ..