Research Topics
| Michael L JacksonSummaryAffiliation: Cornell University Country: USA Publications
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Publications
Influenza vaccination and risk of community-acquired pneumonia in immunocompetent elderly people: a population-based, nested case-control studyMichael L Jackson
Group Health Center for Health Studies, Seattle, WA 98101 1448, USA
Lancet 372:398-405. 2008..We therefore assessed whether influenza vaccination is associated with a reduced risk of community-acquired pneumonia in immunocompetent elderly people after controlling for health status indicators...- Confounding by season in ecologic studies of seasonal exposures and outcomes: examples from estimates of mortality due to influenzaMichael L Jackson
Group Health Center for Health Studies, Seattle, WA 98101 1448, USA
Ann Epidemiol 19:681-91. 2009..For seasonal outcomes it can be difficult to distinguish the causal roles played by factors that also vary seasonally, such as weather, air pollution, and pathogen circulation... 
Use of opioids or benzodiazepines and risk of pneumonia in older adults: a population-based case-control studySascha Dublin
Group Health Research Institute, Seattle, Washington 98101, USA
J Am Geriatr Soc 59:1899-907. 2011..To examine whether use of opioids or benzodiazepines is associated with risk of community-acquired pneumonia in older adults...
Evidence of bias in estimates of influenza vaccine effectiveness in seniorsLisa A Jackson
Center for Health Studies, Group Health Cooperative, Seattle, WA 98101, USA
Int J Epidemiol 35:337-44. 2006..Since a protective effect of vaccination should be specific to influenza season, evaluation of non-influenza periods could indicate the possible contribution of bias to the estimates observed during influenza season...- Risk factors for community-acquired pneumonia in immunocompetent seniorsMichael L Jackson
Group Health Center for Health Studies, 1730 Minor Ave, Suite 1600, Seattle, WA, USA
J Am Geriatr Soc 57:882-8. 2009..To identify risk factors for developing community-acquired pneumonia (CAP) in seniors... - Statin use and risk of community acquired pneumonia in older people: population based case-control studySascha Dublin
Group Health Center for Health Studies, 1730 Minor Avenue, Suite 1600, Seattle WA 98101 1448, USA
BMJ 338:b2137. 2009..To test the hypothesis that hydroxymethyl glutaryl coenzyme A reductase inhibitors (statins) may decrease the risk of community acquired pneumonia... - Use of proton pump inhibitors and H2 blockers and risk of pneumonia in older adults: a population-based case-control studySascha Dublin
Group Health Research Institute, Seattle, Washington 98101 1448, USA
Pharmacoepidemiol Drug Saf 19:792-802. 2010..To examine whether use of proton pump inhibitors (PPIs) and H2 blockers is associated with increased pneumonia risk... - Angiotensin-converting enzyme inhibitor use and pneumonia risk in community-dwelling older adults: results from a population-based case-control studySascha Dublin
Group Health Research Institute, Seattle, WA 98101 1448, USA
Pharmacoepidemiol Drug Saf 21:1173-82. 2012..To test whether angiotensin-converting enzyme (ACE) inhibitor use is associated with decreased risk of community-acquired pneumonia in older adults... - Why do covariates defined by International Classification of Diseases codes fail to remove confounding in pharmacoepidemiologic studies among seniors?Michael L Jackson
Group Health Research Institute, Seattle, WA, USA
Pharmacoepidemiol Drug Saf 20:858-65. 2011..We explored reasons why adjustment for comorbid illness defined from International Classification of Diseases (ICD) codes fails to remove confounding... - Vaccines and changes in coagulation parameters in adults on chronic warfarin therapy: a cohort studyMichael L Jackson
Group Health Center for Health Studies, Seattle, WA 98101 1448, USA
Pharmacoepidemiol Drug Saf 16:790-6. 2007..We sought to determine whether vaccinations are associated with changes in International Normalized Ratio (INR) in persons on long-term warfarin therapy... - Specific immunological detection of the (V+C)(-) fibronectin isoformNancy Burton-Wurster
James A Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
Matrix Biol 21:393-8. 2002..The antibody, designated Mab 5D10 anti (V+C)(-), displays specificity for (V+C)(-) fibronectin from multiple mammalian species including humans and utility in immunoblots, immunohistochemistry, and ELISA... - New strategies are needed to improve the accuracy of influenza vaccine effectiveness estimates among seniorsJennifer Clark Nelson
Group Health Center for Health Studies, Seattle, WA 98101, USA
J Clin Epidemiol 62:687-94. 2009..In this paper, we provide a methodological examination of the potential sources of bias in observational studies of influenza vaccine effectiveness in seniors and propose design and analysis strategies to reduce bias in future studies... - The burden of community-acquired pneumonia in seniors: results of a population-based studyMichael L Jackson
Center for Health Studies, Group Health Cooperative, University of Washington, Seattle, USA
Clin Infect Dis 39:1642-50. 2004.... - A simulation study comparing aberration detection algorithms for syndromic surveillanceMichael L Jackson
Public Health Seattle and King County, 999 Third Avenue, Suite 500, Seattle, WA 98104, USA
BMC Med Inform Decis Mak 7:6. 2007..In the largest simulation study conducted to date, we compared the performance of six aberration detection algorithms on simulated outbreaks superimposed on authentic syndromic surveillance data... - Effectiveness of influenza vaccinationJennifer C Nelson
N Engl J Med 357:2728-9; author reply 2730-1. 2007 - To rule out confounding, observational studies of influenza vaccine need to include analyses during the "preinfluenza period"Michael L Jackson
Arch Intern Med 167:1553-4; author reply 1554-5. 2007