S L Zeger

Summary

Affiliation: Johns Hopkins Bloomberg School of Public Health
Country: USA

Publications

  1. ncbi request reprint On time series analysis of public health and biomedical data
    Scott L Zeger
    Department of Biostatistics, The Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland 21205, USA
    Annu Rev Public Health 27:57-79. 2006
  2. pmc Exposure measurement error in time-series studies of air pollution: concepts and consequences
    S L Zeger
    Johns Hopkins University, School of Public Health, Baltimore, Maryland, USA
    Environ Health Perspect 108:419-26. 2000
  3. ncbi request reprint Multivariate continuation ratio models: connections and caveats
    P J Heagerty
    Department of Biostatistics, University of Washington, Seattle 98195, USA
    Biometrics 56:719-32. 2000
  4. ncbi request reprint Trends in air pollution and mortality: an approach to the assessment of unmeasured confounding
    Holly Janes
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205, USA
    Epidemiology 18:416-23. 2007
  5. ncbi request reprint Are the acute effects of particulate matter on mortality in the National Morbidity, Mortality, and Air Pollution Study the result of inadequate control for weather and season? A sensitivity analysis using flexible distributed lag models
    Leah J Welty
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
    Am J Epidemiol 162:80-8. 2005
  6. pmc Mortality in the Medicare population and chronic exposure to fine particulate air pollution in urban centers (2000-2005)
    Scott L Zeger
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    Environ Health Perspect 116:1614-9. 2008
  7. ncbi request reprint Fine particulate air pollution and mortality in 20 U.S. cities, 1987-1994
    J M Samet
    Department of Epidemiology, School of Hygiene and Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
    N Engl J Med 343:1742-9. 2000
  8. ncbi request reprint Community health survey in an urban African-American neighborhood: distribution and correlates of elevated blood pressure
    L R Bone
    The Johns Hopkins University School of Hygiene and Public Health, Baltimore, MD 21205, USA
    Ethn Dis 10:87-95. 2000
  9. ncbi request reprint Hierarchical bivariate time series models: a combined analysis of the effects of particulate matter on morbidity and mortality
    Francesca Dominici
    Department of Biostatistics, Bloomberg School of Public Health, 615 N Wolfe Street, The Johns Hopkins University, Baltimore, MD 21205 3179, USA
    Biostatistics 5:341-60. 2004
  10. ncbi request reprint Treatment effects of maternal micronutrient supplementation vary by percentiles of the birth weight distribution in rural Nepal
    Joanne Katz
    Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205 2103, USA
    J Nutr 136:1389-94. 2006

Research Grants

Detail Information

Publications53

  1. ncbi request reprint On time series analysis of public health and biomedical data
    Scott L Zeger
    Department of Biostatistics, The Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland 21205, USA
    Annu Rev Public Health 27:57-79. 2006
    ..S. cities on concentrations of particulate air pollution. Time series methods are necessary to make valid inferences from data by accounting for the correlation among repeated responses over time...
  2. pmc Exposure measurement error in time-series studies of air pollution: concepts and consequences
    S L Zeger
    Johns Hopkins University, School of Public Health, Baltimore, Maryland, USA
    Environ Health Perspect 108:419-26. 2000
    ..Finally, we summarize open questions regarding measurement error and suggest the kind of additional data necessary to address them...
  3. ncbi request reprint Multivariate continuation ratio models: connections and caveats
    P J Heagerty
    Department of Biostatistics, University of Washington, Seattle 98195, USA
    Biometrics 56:719-32. 2000
    ..Finally, we illustrate the proposed methodology by analyzing psychological testing data previously summarized by TenHave and Uttal (1994, Applied Statistics 43, 371-384) and Guo and Lin (1994)...
  4. ncbi request reprint Trends in air pollution and mortality: an approach to the assessment of unmeasured confounding
    Holly Janes
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205, USA
    Epidemiology 18:416-23. 2007
    ..5 and mortality at the local scale. If the association at the national scale is set aside, there is little evidence of an association between 12-month exposure to PM2.5 and mortality...
  5. ncbi request reprint Are the acute effects of particulate matter on mortality in the National Morbidity, Mortality, and Air Pollution Study the result of inadequate control for weather and season? A sensitivity analysis using flexible distributed lag models
    Leah J Welty
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
    Am J Epidemiol 162:80-8. 2005
    ....
  6. pmc Mortality in the Medicare population and chronic exposure to fine particulate air pollution in urban centers (2000-2005)
    Scott L Zeger
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    Environ Health Perspect 116:1614-9. 2008
    ..5 microm in aerodynamic diameter (PM(2.5)) because few studies have been carried out and the cohorts have not been representative...
  7. ncbi request reprint Fine particulate air pollution and mortality in 20 U.S. cities, 1987-1994
    J M Samet
    Department of Epidemiology, School of Hygiene and Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
    N Engl J Med 343:1742-9. 2000
    ..Although these findings have helped lead to a tightening of air-quality standards, their validity with respect to public health has been questioned...
  8. ncbi request reprint Community health survey in an urban African-American neighborhood: distribution and correlates of elevated blood pressure
    L R Bone
    The Johns Hopkins University School of Hygiene and Public Health, Baltimore, MD 21205, USA
    Ethn Dis 10:87-95. 2000
    ..These data indicate the need for focused interventions to enhance hypertension maintenance of care and adherence to treatment...
  9. ncbi request reprint Hierarchical bivariate time series models: a combined analysis of the effects of particulate matter on morbidity and mortality
    Francesca Dominici
    Department of Biostatistics, Bloomberg School of Public Health, 615 N Wolfe Street, The Johns Hopkins University, Baltimore, MD 21205 3179, USA
    Biostatistics 5:341-60. 2004
    ..We illustrate this prediction using New York as an example...
  10. ncbi request reprint Treatment effects of maternal micronutrient supplementation vary by percentiles of the birth weight distribution in rural Nepal
    Joanne Katz
    Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205 2103, USA
    J Nutr 136:1389-94. 2006
    ..Future analytic approaches to estimating benefits of maternal supplementation on birth weight should examine whether there is a constant or variable treatment effect across the distribution of birth weight...
  11. ncbi request reprint Seasonal analyses of air pollution and mortality in 100 US cities
    Roger D Peng
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, 6125 North Wolfe Street, Baltimore, MD 21205, USA
    Am J Epidemiol 161:585-94. 2005
    ..These results provide useful information for understanding particle toxicity and guiding future analyses of particle constituent data...
  12. ncbi request reprint Quantitative methods for tracking cognitive change 3 years after coronary artery bypass surgery
    Sarah J E Barry
    Department of Biostatistics, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205, USA
    Ann Thorac Surg 79:1104-9. 2005
    ..Software to implement the methods in the R statistical package is available from the authors at http://www.biostat.jhsph.edu/sbarry/software/ATSrcode.pdf...
  13. ncbi request reprint Smooth quantile ratio estimation with regression: estimating medical expenditures for smoking-attributable diseases
    Francesca Dominici
    Department of Biostatistics, Bloomberg School of Public Health, The Johns Hopkins University Baltimore, MD 21205 3179, USA
    Biostatistics 6:505-19. 2005
    ..Using a simulation study, we compare frequentist properties of two-part regression SQUARE with maximum likelihood estimators for the log-transformed expenditures...
  14. pmc Fine particulate air pollution and hospital admission for cardiovascular and respiratory diseases
    Francesca Dominici
    Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
    JAMA 295:1127-34. 2006
    ..5 microm in aerodynamic diameter [PM2.5]) is limited. Results from the new national monitoring network for PM2.5 make possible systematic research on health risks at national and regional scales...
  15. ncbi request reprint Revised analyses of the National Morbidity, Mortality, and Air Pollution Study: mortality among residents of 90 cities
    Francesca Dominici
    Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
    J Toxicol Environ Health A 68:1071-92. 2005
    ..The findings of the updated analysis with regard to spatial heterogeneity across the 90 cities were unchanged from the original analyses...
  16. ncbi request reprint On the equivalence of case-crossover and time series methods in environmental epidemiology
    Yun Lu
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205 2179, USA
    Biostatistics 8:337-44. 2007
    ..This equivalence also permits model checking for case-crossover data using standard log-linear model diagnostics...
  17. ncbi request reprint Estimating treatment efficacy over time: a logistic regression model for binary longitudinal outcomes
    Leena Choi
    Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
    Stat Med 24:2789-805. 2005
    ....
  18. ncbi request reprint Reproducible epidemiologic research
    Roger D Peng
    Biostatistics Department, Johns Hopkins Bloomberg School of Public Health, 615 North Wolfe Street E3535, Baltimore, MD 21205, USA
    Am J Epidemiol 163:783-9. 2006
    ..They also propose methods for reproducible research and implement them by use of a case study in air pollution and health...
  19. ncbi request reprint Particulate air pollution and mortality in the United States: did the risks change from 1987 to 2000?
    Francesca Dominici
    Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
    Am J Epidemiol 166:880-8. 2007
    ..The methodology presented can be used to track the health effects of air pollution routinely on regional and national scales...
  20. ncbi request reprint New problems for an old design: time series analyses of air pollution and health
    Jonathan M Samet
    Johns Hopkins Bloomberg School of Public Health, Department of Epidemiology, Baltimore, MD 21205, USA
    Epidemiology 14:11-2. 2003
  21. pmc Emergency admissions for cardiovascular and respiratory diseases and the chemical composition of fine particle air pollution
    Roger D Peng
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205, USA
    Environ Health Perspect 117:957-63. 2009
    ..5) (particulate matter <or= 2.5 microm in aerodynamic diameter) as the indicator. Evidence regarding the toxicity of the chemical components of the PM(2.5) mixture is limited...
  22. ncbi request reprint Phenotype of frailty: characterization in the women's health and aging studies
    Karen Bandeen-Roche
    Department of Biostatistics, The Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    J Gerontol A Biol Sci Med Sci 61:262-6. 2006
    ..This article evaluates the cross-validity, criterion validity, and internal validity in the Women's Health and Aging Studies (WHAS) of a discrete measure of frailty recently validated in the Cardiovascular Health Study (CHS)...
  23. ncbi request reprint On the use of generalized additive models in time-series studies of air pollution and health
    Francesca Dominici
    Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205 3179, USA
    Am J Epidemiol 156:193-203. 2002
    ..The authors found that pooled NMMAPS estimates were very similar under the first and third methods but were biased upward under the second method...
  24. pmc Coarse particulate matter air pollution and hospital admissions for cardiovascular and respiratory diseases among Medicare patients
    Roger D Peng
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205, USA
    JAMA 299:2172-9. 2008
    ..5) have been studied extensively over the last decade. Evidence concerning the health risks of the coarse fraction of greater than 2.5 microm and 10 microm or less in aerodynamic diameter (PM10-2.5) is limited...
  25. pmc National maps of the effects of particulate matter on mortality: exploring geographical variation
    Francesca Dominici
    Department of Biostatistics, Bloomberg School of Public Health, The Johns Hopkins University, Baltimore, Maryland 21205 3179, USA
    Environ Health Perspect 111:39-44. 2003
    ....
  26. ncbi request reprint Airborne particulate matter and mortality: timescale effects in four US cities
    Francesca Dominici
    Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
    Am J Epidemiol 157:1055-65. 2003
    ..These analyses provide additional evidence that associations between particle indexes and mortality do not imply only an advance in the timing of death by a few days for frail individuals...
  27. doi request reprint An approach to checking case-crossover analyses based on equivalence with time-series methods
    Yun Lu
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    Epidemiology 19:169-75. 2008
    ..It is therefore important to perform model-checking in time-stratified case-crossover analyses rather than assume the estimator is unbiased...
  28. pmc Does the effect of PM10 on mortality depend on PM nickel and vanadium content? A reanalysis of the NMMAPS data
    Francesca Dominici
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21215, USA
    Environ Health Perspect 115:1701-3. 2007
    ..They found that average concentrations of nickel or vanadium in PM2.5 (PM with aerodynamic diameter < 2.5 microm) positively modified the lag-1 day association between PM10 and all-cause mortality...
  29. ncbi request reprint Latent class model diagnosis
    E S Garrett
    Oncology Center, Division of Biostatistics, Johns Hopkins University School of Medicine, 550 North Broadway, Baltimore, Maryland 21205, USA
    Biometrics 56:1055-67. 2000
    ..Simulations and a psychiatric example are presented to demonstrate the effective use of these methods...
  30. ncbi request reprint Association between executive attention and physical functional performance in community-dwelling older women
    M C Carlson
    School of Hygiene and Public Health, Johns Hopkins University, Baltimore, Maryland, USA
    J Gerontol B Psychol Sci Soc Sci 54:S262-70. 1999
    ..This study examined whether executive attentional abilities were uniquely associated with the performance of complex, instrumental activities of daily living (IADLs) in cognitively intact and physically high-functioning older women...
  31. ncbi request reprint Modelling disease progression in terms of exposure history
    K Bandeen-Roche
    Department of Biostatistics, Johns Hopkins University, Baltimore, MD 21205, USA
    Stat Med 18:2899-916. 1999
    ..We illustrate our methodology using data from a longitudinal epidemiologic investigation of the effects of amateur boxing on neuropsychologic function...
  32. doi request reprint Cognition 6 years after surgical or medical therapy for coronary artery disease
    Ola A Selnes
    Department of Neurology, Baltimore, MD 21205 1910, USA
    Ann Neurol 63:581-90. 2008
    ..Long-term cognitive decline after CABG has been reported, but without appropriate control subjects, it is not known whether this decline is specific to CABG or related to other factors such as cerebrovascular disease...
  33. pmc Subjective memory symptoms in surgical and nonsurgical coronary artery patients: 6-year follow-up
    Guy M McKhann
    Johns Hopkins University School of Medicine, Baltimore, Maryland 21218, USA
    Ann Thorac Surg 87:27-34. 2009
    ....
  34. ncbi request reprint Temperature and mortality in 11 cities of the eastern United States
    Frank C Curriero
    Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
    Am J Epidemiol 155:80-7. 2002
    ..The model developed in this analysis is potentially useful for projecting the consequences of climate-change scenarios and offering insights into susceptibility to the adverse effects of weather...
  35. ncbi request reprint The evaluation of multiple surrogate endpoints
    J Xu
    Department of Biostatistics, Johns Hopkins University, Baltimore, Maryland, USA
    Biometrics 57:81-7. 2001
    ..Markov chain Monte Carlo is implemented to estimate model parameters. The methodology is illustrated with an analysis of data from a schizophrenia clinical trial...
  36. pmc Statin use and neurologic morbidity after coronary artery bypass grafting: A cohort study
    M A Koenig
    Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Neurology 73:2099-106. 2009
    ..Statin use before surgery has been associated with reduced morbidity and mortality after vascular surgery. The effect of preoperative statin use on stroke and encephalopathy after coronary artery bypass grafting (CABG) is unclear...
  37. ncbi request reprint Zidovudine use in AIDS-free HIV-1-seropositive homosexual men in the Multicenter AIDS Cohort Study (MACS), 1987-1989
    N M Graham
    Department of Epidemiology, Johns Hopkins University School of Hygiene and Public Health, Baltimore, Maryland
    J Acquir Immune Defic Syndr 4:267-76. 1991
    ..No important differences were found in demographic or major clinical variables between clinical trial participants and zidovudine nonusers in this study...
  38. pmc Association between hypotension, low ejection fraction and cognitive performance in cardiac patients
    Rebecca F Gottesman
    Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Behav Neurol 22:63-71. 2010
    ..The purpose of this study was to determine if cardiac ejection fraction (EF) is associated with cognitive performance, and whether this is modified by low blood pressure...
  39. pmc Delirium after coronary artery bypass graft surgery and late mortality
    Rebecca F Gottesman
    Department of Neurology, Johns Hopkins University, 600 N Wolfe Street, Baltimore, MD 21287, USA
    Ann Neurol 67:338-44. 2010
    ..The primary goal of this study was to determine whether patients with delirium after coronary artery bypass graft (CABG) surgery have higher long-term out-of-hospital mortality when compared with CABG patients without delirium...
  40. ncbi request reprint Is there cognitive decline 1 year after CABG? Comparison with surgical and nonsurgical controls
    G M McKhann
    Department of Neurology, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
    Neurology 65:991-9. 2005
    ..Because most studies have not included comparable control groups, it remains unclear whether postoperative cognitive changes are specific to cardiopulmonary bypass, general aspects of surgery, or vascular pathologies of the aging brain...
  41. doi request reprint The challenge of predicting demand for emergency department services
    Melissa L McCarthy
    Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Acad Emerg Med 15:337-46. 2008
    ..The objective was to develop methodology for predicting demand for emergency department (ED) services by characterizing ED arrivals...
  42. ncbi request reprint The effectiveness of a community/academic health center partnership in decreasing the level of blood pressure in an urban African-American population
    David M Levine
    Sandtown Winchester High Blood Pressure Control Program, The Johns Hopkins Schools of Medicine, Public Health and Nursing, Baltimore, Maryland 21205, USA
    Ethn Dis 13:354-61. 2003
    ..This study supports the use of community-based partnership efforts, and the utilization of indigenous health workers, to enhance the control of high blood pressure in a high-risk, African-American urban population...
  43. doi request reprint Characterizing waiting room time, treatment time, and boarding time in the emergency department using quantile regression
    Ru Ding
    Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Acad Emerg Med 17:813-23. 2010
    ..The objective was to characterize service completion times by patient, clinical, temporal, and crowding factors for different phases of emergency care using quantile regression (QR)...
  44. pmc Do management strategies for coronary artery disease influence 6-year cognitive outcomes?
    Ola A Selnes
    Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Ann Thorac Surg 88:445-454. 2009
    ..Previous uncontrolled studies have suggested that there is late cognitive decline after coronary artery bypass grafting that may be attributable to use of the cardiopulmonary bypass pump...
  45. ncbi request reprint Decreased incidence of cervical cancer in medicare-eligible California women
    Terri L Cornelison
    Kelly Gynecologic Oncology Service, Department of Gynecology, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21210, USA
    Obstet Gynecol 100:79-86. 2002
    ..To determine if the incidence of invasive cervical cancer relative to carcinoma in situ decreased in Medicare-eligible women...
  46. pmc Ozone and short-term mortality in 95 US urban communities, 1987-2000
    Michelle L Bell
    School of Forestry and Environmental Studies, Yale University, New Haven, Conn 06511, USA
    JAMA 292:2372-8. 2004
    ..Although numerous time-series studies have estimated associations between day-to-day variation in ozone levels and mortality counts, results have been inconclusive...
  47. ncbi request reprint Re: "On the use of generalized additive models in time-series studies of air pollution and health" and "Temperature and mortality in 11 cities of the eastern United States"
    Frank C Curriero
    Am J Epidemiol 158:93-4. 2003
  48. pmc Spatial and temporal variation in PM(2.5) chemical composition in the United States for health effects studies
    Michelle L Bell
    School of Forestry and Environmental Studies, Yale University, New Haven, Connecticut, USA
    Environ Health Perspect 115:989-95. 2007
    ..Although numerous studies have demonstrated links between particulate matter (PM) and adverse health effects, the chemical components of the PM mixture that cause injury are unknown...
  49. ncbi request reprint For the patient. Community health workers help to reduce high blood pressure
    David M Levine
    Ethn Dis 13:403. 2003
  50. ncbi request reprint Neurologic intensive care resource use after brain tumor surgery: an analysis of indications and alternative strategies
    Wendy C Ziai
    Johns Hopkins University School of Medicine, Batimore, MD, USA
    Crit Care Med 31:2782-7. 2003
    ....
  51. pmc Factors associated with medical knowledge acquisition during internal medicine residency
    Furman S McDonald
    General Internal Medicine Hospital Internal Medicine, Mayo Clinic College of Medicine, 200 1st Street SW, Rochester, MN 55905, USA
    J Gen Intern Med 22:962-8. 2007
    ..Knowledge acquisition is a goal of residency and is measurable by in-training exams. Little is known about factors associated with medical knowledge acquisition...
  52. ncbi request reprint Coronary artery bypass grafting baseline cognitive assessment: essential not optional
    Ola A Selnes
    Ann Thorac Surg 83:374-6. 2007
  53. doi request reprint Associations of conference attendance with internal medicine in-training examination scores
    Furman S McDonald
    Division of General Internal Medicine, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
    Mayo Clin Proc 83:449-53. 2008
    ..To examine the association of medical knowledge acquisition with attendance at specific conference types during internal medicine residency...

Research Grants6

  1. STATISTICS FOR LONGITUDINAL STUDIES OF MH SERVICES
    Scott Zeger; Fiscal Year: 2001
    ..The new methodologies can contribute to our understanding of mental disorders and patterns of care and ultimately to the improvement of mental health status. ..
  2. BIOSTATISTICS MENTAL HEALTH/PSYCHIATRY TRAINING PROGRAM
    Scott Zeger; Fiscal Year: 2007
    ..abstract_text> ..