Jakob Bue Bjorner

Summary

Affiliation: QualityMetric Incorporated
Country: USA

Publications

  1. ncbi request reprint Methodological issues for building item banks and computerized adaptive scales
    David Thissen
    University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
    Qual Life Res 16:109-19. 2007
  2. doi request reprint Method of administration of PROMIS scales did not significantly impact score level, reliability, or validity
    Jakob B Bjorner
    National Research Centre for the Working Environment Lersø Park Alle 105, DK 2100 Copenhagen Ø, Denmark QualityMetric, Optum PatientInsight, 24 Albion Road, Lincoln, RI 02865, USA Department of Public Health, University of Copenhagen, Øster Farimagsgade 5, DK 1014 Copenhagen K, Denmark Electronic address
    J Clin Epidemiol 67:108-13. 2014
  3. doi request reprint Benchmarks for interpretation of score differences on the SF-36 health survey for patients with diabetes
    Jakob B Bjorner
    QualityMetric OptumInsight, Lincoln, RI, USA Department of Public Health, University of Copenhagen, Copenhagen, Denmark Electronic address
    Value Health 16:993-1000. 2013
  4. pmc Health-related quality of life (HRQL) for individuals with self-reported chronic physical and/or mental health conditions: panel survey of an adult sample in the United States
    Martha Bayliss
    QualityMetric, Inc, part of OptumInsight, 24 Albion Road, Building 400, Lincoln, RI 02865, USA
    Health Qual Life Outcomes 10:154. 2012
  5. ncbi request reprint Developing tailored instruments: item banking and computerized adaptive assessment
    Jakob Bue Bjorner
    QualityMetric Incorporated, 640 George Washington Highway, Suite 201, Lincoln, RI 02865, USA
    Qual Life Res 16:95-108. 2007
  6. ncbi request reprint Interpreting score differences in the SF-36 Vitality scale: using clinical conditions and functional outcomes to define the minimally important difference
    Jakob B Bjorner
    Quality Metric Incorporated, Lincoln, RI 02865 4207, USA
    Curr Med Res Opin 23:731-9. 2007
  7. ncbi request reprint The feasibility of applying item response theory to measures of migraine impact: a re-analysis of three clinical studies
    Jakob B Bjorner
    QualityMetric Incorporated, Lincoln, RI 02895, USA
    Qual Life Res 12:887-902. 2003
  8. ncbi request reprint Using item response theory to calibrate the Headache Impact Test (HIT) to the metric of traditional headache scales
    Jakob B Bjorner
    Quality Metric Incorporated, Lincoln, RI 02895, USA
    Qual Life Res 12:981-1002. 2003
  9. ncbi request reprint Use of item response theory to develop a shortened version of the EORTC QLQ-C30 emotional functioning scale
    J B Bjorner
    Quality Metric Incorporated, Lincoln, RI 02865, USA
    Qual Life Res 13:1683-97. 2004
  10. ncbi request reprint Calibration of an item pool for assessing the burden of headaches: an application of item response theory to the headache impact test (HIT)
    Jakob B Bjorner
    QualityMetric Incorporated, Lincoln, RI 02895, USA
    Qual Life Res 12:913-33. 2003

Research Grants

Detail Information

Publications19

  1. ncbi request reprint Methodological issues for building item banks and computerized adaptive scales
    David Thissen
    University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
    Qual Life Res 16:109-19. 2007
    ....
  2. doi request reprint Method of administration of PROMIS scales did not significantly impact score level, reliability, or validity
    Jakob B Bjorner
    National Research Centre for the Working Environment Lersø Park Alle 105, DK 2100 Copenhagen Ø, Denmark QualityMetric, Optum PatientInsight, 24 Albion Road, Lincoln, RI 02865, USA Department of Public Health, University of Copenhagen, Øster Farimagsgade 5, DK 1014 Copenhagen K, Denmark Electronic address
    J Clin Epidemiol 67:108-13. 2014
    ..To test the impact of the method of administration (MOA) on score level, reliability, and validity of scales developed in the Patient Reported Outcomes Measurement Information System (PROMIS)...
  3. doi request reprint Benchmarks for interpretation of score differences on the SF-36 health survey for patients with diabetes
    Jakob B Bjorner
    QualityMetric OptumInsight, Lincoln, RI, USA Department of Public Health, University of Copenhagen, Copenhagen, Denmark Electronic address
    Value Health 16:993-1000. 2013
    ..To estimate clinical and social benchmarks for interpretation of score differences on the Short-Form 36 Health Survey, and apply these benchmarks to populations with diabetes mellitus (DM)...
  4. pmc Health-related quality of life (HRQL) for individuals with self-reported chronic physical and/or mental health conditions: panel survey of an adult sample in the United States
    Martha Bayliss
    QualityMetric, Inc, part of OptumInsight, 24 Albion Road, Building 400, Lincoln, RI 02865, USA
    Health Qual Life Outcomes 10:154. 2012
    ..Decrements were based on a "Healthy" reference group reporting no chronic conditions...
  5. ncbi request reprint Developing tailored instruments: item banking and computerized adaptive assessment
    Jakob Bue Bjorner
    QualityMetric Incorporated, 640 George Washington Highway, Suite 201, Lincoln, RI 02865, USA
    Qual Life Res 16:95-108. 2007
    ..Although medical research can draw upon expertise from educational testing in the development of item banks and CAT, the medical field also encounters unique opportunities and challenges...
  6. ncbi request reprint Interpreting score differences in the SF-36 Vitality scale: using clinical conditions and functional outcomes to define the minimally important difference
    Jakob B Bjorner
    Quality Metric Incorporated, Lincoln, RI 02865 4207, USA
    Curr Med Res Opin 23:731-9. 2007
    ..To propose the minimally important difference (MID) for the SF-36 Vitality (VT) scale by evaluating the association of score differences with clinical conditions and functional outcomes...
  7. ncbi request reprint The feasibility of applying item response theory to measures of migraine impact: a re-analysis of three clinical studies
    Jakob B Bjorner
    QualityMetric Incorporated, Lincoln, RI 02895, USA
    Qual Life Res 12:887-902. 2003
    ..Item response theory (IRT) is a powerful framework for analyzing multiitem scales and is central to the implementation of computerized adaptive testing...
  8. ncbi request reprint Using item response theory to calibrate the Headache Impact Test (HIT) to the metric of traditional headache scales
    Jakob B Bjorner
    Quality Metric Incorporated, Lincoln, RI 02895, USA
    Qual Life Res 12:981-1002. 2003
    ..However, to ensure 'backwards comparability' and to facilitate interpretations of results, we need the ability to express the IRT score in the metrics of the traditional scales...
  9. ncbi request reprint Use of item response theory to develop a shortened version of the EORTC QLQ-C30 emotional functioning scale
    J B Bjorner
    Quality Metric Incorporated, Lincoln, RI 02865, USA
    Qual Life Res 13:1683-97. 2004
    ....
  10. ncbi request reprint Calibration of an item pool for assessing the burden of headaches: an application of item response theory to the headache impact test (HIT)
    Jakob B Bjorner
    QualityMetric Incorporated, Lincoln, RI 02895, USA
    Qual Life Res 12:913-33. 2003
    ..Computerized adaptive testing (CAT) of headache impact has potential advantages over traditional fixed-length tests in terms of precision, relevance, real-time quality control and flexibility...
  11. ncbi request reprint An evaluation of a patient-reported outcomes found computerized adaptive testing was efficient in assessing osteoarthritis impact
    Mark Kosinski
    QualityMetric Incorporated, 640 George Washington Highway, Lincoln, RI 02865, USA
    J Clin Epidemiol 59:715-23. 2006
    ..Evaluate a patient-reported outcomes questionnaire that uses computerized adaptive testing (CAT) to measure the impact of osteoarthritis (OA) on functioning and well-being...
  12. ncbi request reprint The Short-Form Headache Impact Test (HIT-6) was psychometrically equivalent in nine languages
    Marie Martin
    QualityMetric Incorporated, 640 George Washington Highway, Lincoln, RI 02865, USA
    J Clin Epidemiol 57:1271-8. 2004
    ..This study examined the psychometric properties and equivalence of the six-item Headache Impact Test (HIT-6) across 11 languages in 14 countries...
  13. ncbi request reprint Applications of computerized adaptive testing (CAT) to the assessment of headache impact
    John E Ware
    QualityMetric Incorporated, Lincoln, RI 02895, USA
    Qual Life Res 12:935-52. 2003
    ..To evaluate the feasibility of computerized adaptive testing (CAT) and the reliability and validity of CAT-based estimates of headache impact scores in comparison with 'static' surveys...
  14. pmc Development and preliminary testing of a computerized adaptive assessment of chronic pain
    Milena D Anatchkova
    QualityMetric Incorporated, Lincoln, Rhode Island, USA
    J Pain 10:932-43. 2009
    ..Scores estimated from the 2 assessments were highly correlated (r = .89), and both assessments discriminated across pain severity levels (P < .001, RV = .95). Patients' evaluations of the CHRONIC PAIN-CAT were favorable...
  15. ncbi request reprint Item response theory methods can improve the measurement of physical function by combining the modified health assessment questionnaire and the SF-36 physical function scale
    Marie Martin
    QualityMetric Incorporated, 640 George Washington Highway, Suite 201, Lincoln, 02865, RI, USA
    Qual Life Res 16:647-60. 2007
    ....
  16. ncbi request reprint Psychological distress and fatigue predicted recurrence and survival in primary breast cancer patients
    Mogens Groenvold
    The Research Unit, Department of Palliative Medicine, Bispebjerg Hospital, Bispebjerg Bakke 23, 2400 Copenhagen, Denmark
    Breast Cancer Res Treat 105:209-19. 2007
    ..0074; risk ratio 0.81 (0.70-0.95)). Low psychological distress and a low level of fatigue may cause a greater cancer resistance or may reflect underlying mental and physical robustness...
  17. doi request reprint Improving a newly developed patient-reported outcome for thyroid patients, using cognitive interviewing
    Torquil Watt
    Department of Endocrinology, Copenhagen University Hospital Rigshospitalet, Blegdamsvej 9, 2100, Copenhagen Ø, Denmark
    Qual Life Res 17:1009-17. 2008
    ..To improve a newly developed patient-reported outcome measure for thyroid patients using cognitive interviewing...
  18. ncbi request reprint Which domains of thyroid-related quality of life are most relevant? Patients and clinicians provide complementary perspectives
    Torquil Watt
    Department of Endocrinology, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
    Thyroid 17:647-54. 2007
    ..To identify how thyroid diseases impact the patients' lives and to select the most relevant quality of life (QoL) issues for a thyroid-specific questionnaire...
  19. ncbi request reprint Quality of life in patients with benign thyroid disorders. A review
    Torquil Watt
    Department of Endocrinology, Copenhagen University Hospital, Rigshospitalet, Denmark
    Eur J Endocrinol 154:501-10. 2006
    ..Studies systematically exploring the relative importance of these various aspects to thyroid patients are lacking, as is a comprehensive, validated thyroid-specific HRQL questionnaire...

Research Grants1

  1. Computerized Adaptive Assessment of Disease Impact
    Jakob Bjorner; Fiscal Year: 2005
    ....