Research Topics
| Jennifer C NelsonSummaryAffiliation: Group Health Cooperative Country: USA Publications
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Detail Information
Publications
Adapting group sequential methods to observational postlicensure vaccine safety surveillance: results of a pentavalent combination DTaP-IPV-Hib vaccine safety studyJennifer C Nelson
Biostatistics Unit, Group Health Research Institute, 1730 Minor Avenue, Suite 1600, Seattle, WA 98101, USA
Am J Epidemiol 177:131-41. 2013..Although lack of a controlled experiment presents numerous challenges, implementation of group sequential monitoring methods in observational safety surveillance studies is promising and warrants further investigation...
Frequency of medically attended adverse events following tetanus and diphtheria toxoid vaccine in adolescents and young adults: a Vaccine Safety Datalink studyLisa A Jackson
Group Health Research Institute, Seattle WA, USA
BMC Infect Dis 9:165. 2009..Local reactions are the most commonly reported adverse events following tetanus and diphtheria toxoid (Td) vaccine and the risk of local reactions may increase with number of prior Td vaccinations...
Plasma sphingomyelin and subclinical atherosclerosis: findings from the multi-ethnic study of atherosclerosisJennifer Clark Nelson
Center for Health Studies, Group Health Cooperative, and Department of Biostatistics, University of Washington, Seattle, USA
Am J Epidemiol 163:903-12. 2006..01). These observations are consistent with the hypothesis that plasma sphingomyelin is in the biologic pathway that mediates the risk for subclinical disease attributable to standard cardiovascular disease risk factors...- Impact of the introduction of pneumococcal conjugate vaccine on rates of community acquired pneumonia in children and adultsJennifer C Nelson
Group Health Center for Health Studies, Seattle, WA, United States
Vaccine 26:4947-54. 2008.... - Challenges in the design and analysis of sequentially monitored postmarket safety surveillance evaluations using electronic observational health care dataJennifer C Nelson
Biostatistics Unit, Group Health Research Institute, Seattle, WA 98101, USA
Pharmacoepidemiol Drug Saf 21:62-71. 2012.... - 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... - Compliance with multiple-dose vaccine schedules among older children, adolescents, and adults: results from a vaccine safety datalink studyJennifer C Nelson
Group Health Research Institute, Seattle, WA, USA
Am J Public Health 99:S389-97. 2009..We studied compliance with multiple-dose vaccine schedules, assessed factors associated with noncompliance, and examined timeliness of series completion among older children, adolescents, and adults... - Measuring coronary calcium on CT images adjusted for attenuation differencesJennifer Clark Nelson
Center for Health Studies, Group Health Cooperative, Metropolitan Park East, Suite 1600, 1730 Minor Ave, Seattle, WA 98101, USA
Radiology 235:403-14. 2005..To quantify scanner and participant variability in attenuation values for computed tomographic (CT) images assessed for coronary calcium and define a method for standardizing attenuation values and calibrating calcium measurements... - Vaccination site and risk of local reactions in children 1 through 6 years of ageLisa A Jackson
Group Health Research Institute, 1730 Minor Ave, Suite 1600, Seattle, WA 98101, USA
Pediatrics 131:283-9. 2013..Our objective was to assess whether the occurrence of medically attended local reactions to intramuscularly administered vaccines varies by injection site (arm versus thigh) in children 1 to 6 years of age... - 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... - A randomized placebo-controlled trial of acetaminophen for prevention of post-vaccination fever in infantsLisa A Jackson
Group Health Research Institute, Seattle, Washington, United States of America
PLoS ONE 6:e20102. 2011.... - Induction of labor in the absence of standard medical indications: incidence and correlatesMona T Lydon-Rochelle
Department of Family Child Nursing, University of Washington, Seattle, Washington 98195 7562, USA
Med Care 45:505-12. 2007..Induction of labor is an increasingly common obstetrical procedure, with approximately 20-34% of women undergoing labor induction in the United States annually... - 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... - 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... - Immunogenicity of varying dosages of 7-valent pneumococcal polysaccharide-protein conjugate vaccine in seniors previously vaccinated with 23-valent pneumococcal polysaccharide vaccineLisa A Jackson
Group Health Center for Health Studies, 1730 Minor Ave, Ste 1600, Seattle, WA 98101, USA
Vaccine 25:4029-37. 2007..A booster response to the challenge vaccination was not observed. Administration of a 1 ml dose of PnC vaccine is more immunogenic than 0.5 ml of PnPS vaccine in elderly adults previously vaccinated with PnPS vaccine... - 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... - 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... - 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... - Injection site and risk of medically attended local reactions to acellular pertussis vaccineLisa A Jackson
Group Health Research Institute, 1730 Minor Ave, Suite 1600, Seattle, WA 98101, USA
Pediatrics 127:e581-7. 2011..To assess whether the risk of medically attended local reactions to the fifth dose of the diphtheria and tetanus toxoids and acellular pertussis (DTaP) vaccine varies according to injection site (arm versus thigh)... - Functional status is a confounder of the association of influenza vaccine and risk of all cause mortality in seniorsLisa A Jackson
Center for Health Studies, Group Health Cooperative, Seattle, WA 98101, USA
Int J Epidemiol 35:345-52. 2006.... - Assessment of the safety of a third dose of pneumococcal polysaccharide vaccine in the Vaccine Safety Datalink populationLisa A Jackson
Center for Health Studies, 1730 Minor Ave, Ste 1600, Seattle, WA 98101, USA
Vaccine 24:151-6. 2006..5 for both comparisons with the third PPV group). These findings do not suggest that a third PPV dose is associated with an increased risk of medically attended injection site reactions compared with a first or second PPV dose... - Prophylaxis with acetaminophen or ibuprofen for prevention of local reactions to the fifth diphtheria-tetanus toxoids-acellular pertussis vaccination: a randomized, controlled trialLisa A Jackson
Center for Health Studies, Group Health Cooperative, Seattle, WA 98101, USA
Pediatrics 117:620-5. 2006..It is not known whether these reactions can be prevented with prophylactic use of acetaminophen or ibuprofen... - Safety of varying dosages of 7-valent pneumococcal protein conjugate vaccine in seniors previously vaccinated with 23-valent pneumococcal polysaccharide vaccineLisa A Jackson
Center for Health Studies, Group Health Cooperative, 1730 Minor Ave, Ste 1600, Seattle, WA 98101, USA
Vaccine 23:3697-703. 2005..Fever was uncommon and did not vary by study group. The rate of local reactions increased with higher volumes of PCV and the rate following 2.0 ml of PCV was comparable to that following 0.5 ml PPV... - 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... - Statistical approaches to group sequential monitoring of postmarket safety surveillance data: current state of the art for use in the Mini-Sentinel pilotAndrea J Cook
Biostatistics Unit, Group Health Research Institute, Seattle, WA 98101, USA
Pharmacoepidemiol Drug Saf 21:72-81. 2012.... - 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... - Accuracy of reporting maternal in-hospital diagnoses and intrapartum procedures in Washington State linked birth recordsMona T Lydon-Rochelle
Department of Family Child Nursing, School of Nursing, School of Public Health and Community Medicine, University of Washington, Seattle, WA 98195 7262, USA
Paediatr Perinat Epidemiol 19:460-71. 2005..Our data suggest that researchers conducting perinatal epidemiological studies should not rely solely on birth certificate data to detect maternal diagnoses and intrapartum procedures accurately... - The reporting of pre-existing maternal medical conditions and complications of pregnancy on birth certificates and in hospital discharge dataMona T Lydon-Rochelle
Department of Family Child Nursing, School of Nursing, University of Washington, Seattle 98195 7262, USA
Am J Obstet Gynecol 193:125-34. 2005..The purpose of this study was to determine the accuracy of live-birth certificates and hospital discharge data that reported of pre-existing maternal medical conditions and complications of pregnancy... - Calcified coronary artery plaque measurement with cardiac CT in population-based studies: standardized protocol of Multi-Ethnic Study of Atherosclerosis (MESA) and Coronary Artery Risk Development in Young Adults (CARDIA) studyJ Jeffrey Carr
Departments of Radiology and Public Health Sciences, Wake Forest University School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157, USA
Radiology 234:35-43. 2005.... - Multi-ethnic study of atherosclerosis: objectives and designDiane E Bild
Division of Epidemiology and Clinical Applications, National Heart, Lung, and Blood Institute, Bethesda, MD, USA
Am J Epidemiol 156:871-81. 2002.... - The association between the length of the QT interval and mortality in the Cardiovascular Health StudyJohn Robbins
Division of General Medicine, Department of Medicine, University of California, Davis, Sacramento, California 95817, USA
Am J Med 115:689-94. 2003..A long QT interval is a risk factor for arrhythmic events and sudden death. Whether moderate QT prolongation is associated with clinical events in community-dwelling elderly patients is uncertain...