Jennifer C Nelson

Summary

Affiliation: Group Health Cooperative
Country: USA

Publications

  1. pmc Validation sampling can reduce bias in health care database studies: an illustration using influenza vaccination effectiveness
    Jennifer Clark Nelson
    Group Health Research Institute, Seattle, WA 98101, USA
    J Clin Epidemiol 66:S110-21. 2013
  2. doi request reprint Adapting group sequential methods to observational postlicensure vaccine safety surveillance: results of a pentavalent combination DTaP-IPV-Hib vaccine safety study
    Jennifer C Nelson
    Biostatistics Unit, Group Health Research Institute, 1730 Minor Avenue, Suite 1600, Seattle, WA 98101, USA
    Am J Epidemiol 177:131-41. 2013
  3. pmc Frequency of medically attended adverse events following tetanus and diphtheria toxoid vaccine in adolescents and young adults: a Vaccine Safety Datalink study
    Lisa A Jackson
    Group Health Research Institute, Seattle WA, USA
    BMC Infect Dis 9:165. 2009
  4. doi request reprint Challenges in the design and analysis of sequentially monitored postmarket safety surveillance evaluations using electronic observational health care data
    Jennifer C Nelson
    Biostatistics Unit, Group Health Research Institute, Seattle, WA 98101, USA
    Pharmacoepidemiol Drug Saf 21:62-71. 2012
  5. doi request reprint Compliance with multiple-dose vaccine schedules among older children, adolescents, and adults: results from a vaccine safety datalink study
    Jennifer C Nelson
    Group Health Research Institute, Seattle, WA, USA
    Am J Public Health 99:S389-97. 2009
  6. doi request reprint New strategies are needed to improve the accuracy of influenza vaccine effectiveness estimates among seniors
    Jennifer Clark Nelson
    Group Health Center for Health Studies, Seattle, WA 98101, USA
    J Clin Epidemiol 62:687-94. 2009
  7. doi request reprint Impact of the introduction of pneumococcal conjugate vaccine on rates of community acquired pneumonia in children and adults
    Jennifer C Nelson
    Group Health Center for Health Studies, Seattle, WA, United States
    Vaccine 26:4947-54. 2008
  8. ncbi request reprint Plasma sphingomyelin and subclinical atherosclerosis: findings from the multi-ethnic study of atherosclerosis
    Jennifer 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
  9. ncbi request reprint Measuring coronary calcium on CT images adjusted for attenuation differences
    Jennifer 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
  10. doi request reprint Vaccination site and risk of local reactions in children 1 through 6 years of age
    Lisa A Jackson
    Group Health Research Institute, 1730 Minor Ave, Suite 1600, Seattle, WA 98101, USA
    Pediatrics 131:283-9. 2013

Detail Information

Publications35

  1. pmc Validation sampling can reduce bias in health care database studies: an illustration using influenza vaccination effectiveness
    Jennifer Clark Nelson
    Group Health Research Institute, Seattle, WA 98101, USA
    J Clin Epidemiol 66:S110-21. 2013
    ..Study methods that collect and incorporate more comprehensive confounder data on a validation cohort may reduce confounding bias...
  2. doi request reprint Adapting group sequential methods to observational postlicensure vaccine safety surveillance: results of a pentavalent combination DTaP-IPV-Hib vaccine safety study
    Jennifer 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...
  3. pmc Frequency of medically attended adverse events following tetanus and diphtheria toxoid vaccine in adolescents and young adults: a Vaccine Safety Datalink study
    Lisa 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...
  4. doi request reprint Challenges in the design and analysis of sequentially monitored postmarket safety surveillance evaluations using electronic observational health care data
    Jennifer C Nelson
    Biostatistics Unit, Group Health Research Institute, Seattle, WA 98101, USA
    Pharmacoepidemiol Drug Saf 21:62-71. 2012
    ....
  5. doi request reprint Compliance with multiple-dose vaccine schedules among older children, adolescents, and adults: results from a vaccine safety datalink study
    Jennifer 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...
  6. doi request reprint New strategies are needed to improve the accuracy of influenza vaccine effectiveness estimates among seniors
    Jennifer 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...
  7. doi request reprint Impact of the introduction of pneumococcal conjugate vaccine on rates of community acquired pneumonia in children and adults
    Jennifer C Nelson
    Group Health Center for Health Studies, Seattle, WA, United States
    Vaccine 26:4947-54. 2008
    ....
  8. ncbi request reprint Plasma sphingomyelin and subclinical atherosclerosis: findings from the multi-ethnic study of atherosclerosis
    Jennifer 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...
  9. ncbi request reprint Measuring coronary calcium on CT images adjusted for attenuation differences
    Jennifer 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...
  10. doi request reprint Vaccination site and risk of local reactions in children 1 through 6 years of age
    Lisa 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...
  11. pmc Angiotensin-converting enzyme inhibitor use and pneumonia risk in community-dwelling older adults: results from a population-based case-control study
    Sascha 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...
  12. doi request reprint Influenza vaccination and risk of community-acquired pneumonia in immunocompetent elderly people: a population-based, nested case-control study
    Michael 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...
  13. pmc Use of opioids or benzodiazepines and risk of pneumonia in older adults: a population-based case-control study
    Sascha 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...
  14. pmc A randomized placebo-controlled trial of acetaminophen for prevention of post-vaccination fever in infants
    Lisa A Jackson
    Group Health Research Institute, Seattle, Washington, United States of America
    PLoS ONE 6:e20102. 2011
    ....
  15. ncbi request reprint Induction of labor in the absence of standard medical indications: incidence and correlates
    Mona 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...
  16. ncbi request reprint Evidence of bias in estimates of influenza vaccine effectiveness in seniors
    Lisa 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...
  17. pmc Natural Language Processing to identify pneumonia from radiology reports
    Sascha Dublin
    Group Health Research Institute, Seattle, WA 98101, USA
    Pharmacoepidemiol Drug Saf 22:834-41. 2013
    ..This study aimed to develop Natural Language Processing (NLP) approaches to supplement manual outcome validation, specifically to validate pneumonia cases from chest radiograph reports...
  18. ncbi request reprint Functional status is a confounder of the association of influenza vaccine and risk of all cause mortality in seniors
    Lisa A Jackson
    Center for Health Studies, Group Health Cooperative, Seattle, WA 98101, USA
    Int J Epidemiol 35:345-52. 2006
    ....
  19. doi request reprint Risk factors for community-acquired pneumonia in immunocompetent seniors
    Michael 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...
  20. ncbi request reprint Vaccines and changes in coagulation parameters in adults on chronic warfarin therapy: a cohort study
    Michael 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...
  21. ncbi request reprint Immunogenicity of varying dosages of 7-valent pneumococcal polysaccharide-protein conjugate vaccine in seniors previously vaccinated with 23-valent pneumococcal polysaccharide vaccine
    Lisa 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...
  22. pmc Use of proton pump inhibitors and H2 blockers and risk of pneumonia in older adults: a population-based case-control study
    Sascha 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...
  23. pmc Statin use and risk of community acquired pneumonia in older people: population based case-control study
    Sascha 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...
  24. doi request reprint Injection site and risk of medically attended local reactions to acellular pertussis vaccine
    Lisa 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)...
  25. ncbi request reprint Assessment of the safety of a third dose of pneumococcal polysaccharide vaccine in the Vaccine Safety Datalink population
    Lisa 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...
  26. ncbi request reprint Prophylaxis with acetaminophen or ibuprofen for prevention of local reactions to the fifth diphtheria-tetanus toxoids-acellular pertussis vaccination: a randomized, controlled trial
    Lisa 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...
  27. ncbi request reprint The test-negative design for estimating influenza vaccine effectiveness
    Michael L Jackson
    Group Health Research Institute 1730 Minor Ave, Suite 1600, Seattle, WA 98101 1448, United States
    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...
  28. doi request reprint Statistical approaches to group sequential monitoring of postmarket safety surveillance data: current state of the art for use in the Mini-Sentinel pilot
    Andrea J Cook
    Biostatistics Unit, Group Health Research Institute, Seattle, WA 98101, USA
    Pharmacoepidemiol Drug Saf 21:72-81. 2012
    ....
  29. ncbi request reprint Safety of varying dosages of 7-valent pneumococcal protein conjugate vaccine in seniors previously vaccinated with 23-valent pneumococcal polysaccharide vaccine
    Lisa 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...
  30. doi request reprint 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...
  31. ncbi request reprint Accuracy of reporting maternal in-hospital diagnoses and intrapartum procedures in Washington State linked birth records
    Mona 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...
  32. ncbi request reprint The reporting of pre-existing maternal medical conditions and complications of pregnancy on birth certificates and in hospital discharge data
    Mona 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...
  33. ncbi request reprint 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) study
    J 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
    ....
  34. ncbi request reprint Multi-ethnic study of atherosclerosis: objectives and design
    Diane E Bild
    Division of Epidemiology and Clinical Applications, National Heart, Lung, and Blood Institute, Bethesda, MD, USA
    Am J Epidemiol 156:871-81. 2002
    ....
  35. ncbi request reprint The association between the length of the QT interval and mortality in the Cardiovascular Health Study
    John 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...