Research Topics
| Michael L JacksonSummaryAffiliation: Group Health Cooperative Country: USA Publications
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Detail Information
Publications
The test-negative design for estimating influenza vaccine effectivenessMichael L Jackson
Group Health Research Institute 1730 Minor Ave, Suite 1600, Seattle, WA, 98101 1448, United States Electronic address
Vaccine 31:2165-8. 2013..The test-negative design has emerged in recent years as the preferred method for estimating influenza vaccine effectiveness (VE) in observational studies. However, the methodologic basis of this design has not been formally developed...- Challenges in comparing the safety of different vaccination schedulesMichael L Jackson
Group Health Research Institute 1730 Minor Ave, Suite 1600 Seattle, WA 98101 1448, United States Electronic address
Vaccine 31:2126-9. 2013..Failure to properly address these challenges can result in biased results... 
Modeling insights into Haemophilus influenzae type b disease, transmission, and vaccine programsMichael L Jackson
Centers for Disease Control and Prevention, Atlanta, Georgia, USA
Emerg Infect Dis 18:13-20. 2012....- Serologically confirmed household transmission of 2009 pandemic influenza A (H1N1) virus during the first pandemic wave--New York City, April-May 2009Michael L Jackson
Epidemic Intelligence Service, Scientific Education and Professional Development Program Office, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
Clin Infect Dis 53:455-62. 2011..We studied serologically confirmed infection and disease among household contacts of index case patients with 2009 pandemic influenza A (H1N1) virus (pH1N1) infection in a setting of minimal community pH1N1 transmission... - 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... 
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....- 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... - 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... - 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... - 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... - 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... - 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... - 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... - Haemophilus influenzae type b carriage among young children in metropolitan Atlanta in the context of vaccine shortage and booster dose deferralJennifer Dolan Thomas
Meningitis and Vaccine Preventable Diseases Branch, Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, 1600 Clifton Road, NE, Atlanta, Georgia 30329, USA
Clin Vaccine Immunol 18:2178-80. 2011..S. Hib vaccine shortage did not result in widespread Hib carriage in Atlanta, as the Hib carriage rate was found to be 0.3% (1/342). Hib colonization was significantly more common among males and day care attendees... - 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... - Pertussis Pseudo-outbreak linked to specimens contaminated by Bordetella pertussis DNA From clinic surfacesSema Mandal
Epidemic Intelligence Service, Meningitis and Vaccine Preventable Diseases Branch, Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, US Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
Pediatrics 129:e424-30. 2012..We aimed to determine whether Bordetella pertussis was the causative agent and advise on control interventions... - 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... - 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... - Investigating 2009 pandemic influenza A (H1N1) in US schools: what have we learned?A Danielle Iuliano
Division of HIV AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA
Clin Infect Dis 52:S161-7. 2011..Although school-based investigations can increase our understanding of epidemiology and prevention strategy effectiveness, investigators should decide which objectives are most feasible, given timing and design constraints...