Niels Henrik Ingvar Hjøllund

  1. 2019
  2. Published

    Remote follow-up using patient-reported outcome measures in patients with chronic kidney disease : The PROKID study-study protocol for a non-inferiority pragmatic randomised controlled trial. / Grove, Birgith Engelst; Ivarsen, Per; De Thurah, Annette; Schougaard, Liv Marit; Kyte, Derek; Hjøllund, Niels Henrik.

    In: BMC Health Services Research, Vol. 19, No. 1, 631, 09.2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  3. Published

    Health Data Processes : A Framework for Analyzing and Discussing Efficient Use and Reuse of Health Data With a Focus on Patient-Reported Outcome Measures. / Hjollund, Niels Henrik Ingvar; Valderas, José Maria; Kyte, Derek; Calvert, Melanie Jane.

    In: Journal of Medical Internet Research, Vol. 21, No. 5, 21.05.2019, p. e12412.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  4. Published

    Fifteen Years' Use of Patient-Reported Outcome Measures at the Group and Patient Levels : Trend Analysis. / Hjollund, Niels Henrik I.

    In: Journal of Medical Internet Research, Vol. 21, No. 9, e15856, 2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  5. Published

    Maximising the impact of patient reported outcome assessment for patients and society. / Calvert, Melanie; Kyte, Derek; Price, Gary; Valderas, Jose M.; Hjollund, Niels Henrik.

    In: BMJ (Online), Vol. 364, k5267, 2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperEditorialResearchpeer-review

  6. 2018
  7. Published

    Test-retest reliability and measurement error of the Danish WHO-5 Well-being Index in outpatients with epilepsy. / Schougaard, Liv Marit Valen; de Thurah, Annette; Bech, Per; Hjollund, Niels Henrik; Christiansen, David Høyrup.

    In: Health and Quality of Life Outcomes, Vol. 16, No. 1, 175, 06.09.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  8. Published

    PRO-based follow-up as a means of self-management support : an interpretive description of the patient perspective. / Mejdahl, Caroline; Schougaard, Liv Marit Valen; Hjøllund, Niels Henrik Ingvar; Riiskjær, Erik; Thorne, Sally; Lomborg, Kirsten.

    In: Journal of Patient Reported Outcomes, Vol. 2, No. 38, 05.09.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  9. Published

    Patient-reported outcome (PRO) measure-based algorithm for clinical decision support in epilepsy outpatient follow-up : a test-retest reliability study. / Schougaard, Liv Marit Valen; de Thurah, Annette; Christiansen, David Høyrup; Sidenius, Per; Hjollund, Niels Henrik.

    In: BMJ Open, Vol. 8, No. 7, e021337, 25.07.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  10. Published

    Exploring organisational mechanisms in PRO-based follow-up in routine outpatient care - An interpretive description of the clinician perspective. / Mejdahl, Caroline Trillingsgaard; Schougaard, Liv Marit Valen; Hjollund, Niels Henrik; Riiskjær, Erik; Lomborg, Kirsten.

    In: BMC Health Services Research, Vol. 18, No. 1, 546, 13.07.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  11. Published

    Self-rated health, quality of life and appetite as predictors of initiation of dialysis and mortality in patients with chronic kidney disease stages 4-5 : a prospective cohort study. / Grove, Birgith Engelst; Schougaard, Liv Marit; Hjollund, Niels Henrik; Ivarsen, Per.

    In: BMC Research Notes, Vol. 11, No. 1, 371, 08.06.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  12. Published

    Tele-Health Followup Strategy for Tight Control of Disease Activity in Rheumatoid Arthritis : Results of a Randomized Controlled Trial. / Thurah, Annette De; Steengaard-Pedersen, Kristian; Axelsen, Mette; Fredberg, Ulrich; Schougaard, Liv M V; Hjøllund, Niels H I; Jensen, Mogens Pfeiffer; Laurberg, Trine B; Tarp, Ulrik; Lomborg, Kirsten; Maribo, Thomas.

    In: Arthritis Care & Research, Vol. 70, No. 3, 03.2018, p. 353-360.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  13. 2017
  14. Published

    Feasibility and acceptability of electronic symptom surveillance with clinician feedback using the Patient-Reported Outcomes version of Common Terminology Criteria for Adverse Events (PRO-CTCAE) in Danish prostate cancer patients. / Bæksted, Christina; Pappot, Helle; Nissen, Aase; Hjøllund, Niels Henrik Ingvar; Mitchell, Sandra A; Basch, Ethan; Bidstrup, Pernille E; Dalton, Susanne; Johansen, Christoffer.

    In: Journal of Patient Reported Outcomes, Vol. 1, 1, 09.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  15. Published

    Individual Prognosis of Symptom Burden and Functioning in Chronic Diseases: A Generic Method Based on Patient-Reported Outcome (PRO) Measures. / Hjollund, Niels Henrik Ingvar.

    In: Journal of Medical Internet Research, Vol. 19, No. 8, e278, 08.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  16. Published

    Effect of patient-initiated versus fixed-interval telePRO-based outpatient follow-up : study protocol for a pragmatic randomised controlled study. / Schougaard, Liv Marit Valen; Mejdahl, Caroline Trillingsgaard; Petersen, Klaus Hvam; Jessen, Anne; de Thurah, Annette; Sidenius, Per; Lomborg, Kirsten; Hjøllund, Niels Henrik Ingvar.

    In: BMC Health Services Research, Vol. 17, No. 1, 83, 26.01.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  17. Published

    Kunstig intelligens : Krystalkugle eller sæbeboble? / Hjøllund, Niels Henrik.

    In: Ugeskrift for laeger, Vol. 179, No. 17, 01.01.2017, p. 1512-1513.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperComment/debateResearchpeer-review

  18. Published

    Female exposure to phthalates and time to pregnancy : a first pregnancy planner study. / Ladehoff, Anne Marie; Riis, Anders H; Olsen, Jørn; Jönsson, Bo A G; Lindh, Christian H; Hjollund, Niels H; Jensen, Tina Kold; Bonde, Jens Peter; Toft, Gunnar.

    In: Human reproduction (Oxford, England), 01.2017, p. 232-238.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  19. Published
  20. 2016
  21. Published

    Use of patient-reported outcomes in outpatient settings as a means of patient involvement and self-management support : a qualitative study of the patient perspective. / Mejdahl, Caroline; Nielsen, Berit Kjærside; Hjøllund, Niels Henrik Ingvar; Lomborg, Kirsten.

    In: European Journal for Person Centered Healthcare , Vol. 4, No. 2, 08.2016, p. 359-367.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  22. Published

    Self-rated health and return to work after first-time stroke. / Larsen, L. P.; Biering, Karin; Johnsen, Soeren Paaske; Andersen, Grethe; Hjøllund, Niels Henrik Ingvar.

    In: Journal of Rehabilitation Medicine, Vol. 48, No. 4, 04.2016, p. 339-345.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  23. Published

    AmbuFlex : tele-patient-reported outcomes (telePRO) as the basis for follow-up in chronic and malignant diseases. / Schougaard, Liv Marit Valen; Larsen, Louise Pape; Jessen, Anne; Sidenius, Per; Dorflinger, Liv; de Thurah, Annette; Hjøllund, Niels Henrik Ingvar.

    In: Quality of Life Research, Vol. 25, No. 3, 03.2016, p. 525-34.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  24. Published

    Determinants of Self-Rated Health Three Months after Stroke. / Larsen, Louise Pape; Johnsen, Søren Paaske; Andersen, Grethe; Hjøllund, Niels Henrik Ingvar.

    In: Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association, Vol. 25, No. 5, 23.02.2016, p. 1027-1034.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  25. Published

    Contacts to general practice and antidepressant treatment initiation after screening for anxiety and depression in patients with heart disease. / Larsen, Karen Kjær; Vestergaard, Claus Høstrup; Schougaard, Liv Marit Valen; Larsen, Louise Pape; Jessen, Anne; May, Ole; Hjøllund, Niels Henrik Ingvar.

    In: Danish Medical Journal, Vol. 63, No. 2, A5185, 2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  26. 2015
  27. Published

    Effect of Psychosocial Work Environment on Sickness Absence Among Patients Treated for Ischemic Heart Disease. / Biering, Karin; Lund, Thomas; Andersen, Johan Hviid; Hjøllund, Niels Henrik Ingvar.

    In: Journal of Occupational Rehabilitation, Vol. 25, No. 4, 16.06.2015, p. 776-782.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  28. Published

    Psychosocial Working Environment and Risk of Adverse Cardiac Events in Patients Treated for Coronary Heart Disease. / Biering, Karin; Andersen, Johan Hviid; Lund, Thomas; Hjøllund, Niels Henrik Ingvar.

    In: Journal of Occupational Rehabilitation, Vol. 25, No. 4, 2015, p. 770-775.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  29. Published

    Using multiple imputation to deal with missing data and attrition in longitudinal studies with repeated measures of patient-reported outcomes. / Biering, Karin; Hjøllund, Niels Henrik Ingvar; Frydenberg, Morten.

    In: Clinical epidemiology, Vol. 7, 2015, p. 91-106.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  30. 2014
  31. Published

     Psychosocial working environment for patients with ischaemic heart disease and association to adverse cardiac events. / Biering, Karin; Lund, Thomas; Hviid Andersen, Johan; Hjøllund, Niels Henrik Ingvar.

    In: Occupational and Environmental Medicine, Vol. 71 Suppl 1, 06.2014, p. A71-2.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearchpeer-review

  32. Published

    Patient-reported health as a prognostic factor for adverse events following percutaneous coronary intervention. / Biering, Karin; Bøtker, Hans Erik; Niemann, Troels; Hjøllund, Niels Henrik Ingvar.

    In: Clinical epidemiology, Vol. 6, No. 1, 30.01.2014, p. 61-70.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  33. Published

    Hvordan kan patientrapporterede oplysninger (PRO) bruges i klinisk praksis? belyst med udgangspunkt i fire forskellige konsultationsmodeller. / Riiskjær, Erik; Schougaard, Liv Marit Valen; Larsen, Louise Pape; Hjøllund, Niels Henrik Ingvar.

    In: Nordisk Sygeplejeforskning, Vol. 4, No. 3, 2014, p. 189-212.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  34. Published

    Self-reported health following percutaneous coronary intervention : results from a cohort followed for 3 years with multiple measurements. / Biering, Karin; Frydenberg, Morten; Hjøllund, Niels Henrik Ingvar.

    In: Journal of Clinical Epidemiology, Vol. 6, 2014, p. 441-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  35. Published

    Use of patient-reported outcome (PRO) measures at group and patient levels : Experiences from the generic integrated PRO system, WestChronic. / Hjøllund, Niels Henrik Ingvar; Larsen, Louise Pape; Biering, Karin; Johnsen, Soren Paaske; Riiskjær, Erik; Schougaard, Liv Marit Valen.

    In: Interactive Journal of Medical Research, Vol. 3, No. 1, e5, 2014.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  36. 2013
  37. Published

    Surveillance and outbreak reports : Prevalence of Coxiella burnetii in women exposed to livestock animals, Denmark, 1996 to 2002. / de Nielsen, S. Y.; Mølbak, K.; Nybo Andersen, A. M.; Brink Henriksen, T.; Kantsø, B.; Krogfelt, K. A.; Hjøllund, N. H.

    In: Eurosurveillance, Vol. 18, No. 28, 01.01.2013.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  38. Published

    Methods in measuring return to work : a comparison of measures of return to work following treatment of coronary heart disease. / Biering, Karin; Hjøllund, Niels Henrik; Lund, Thomas.

    In: Journal of Occupational Rehabilitation, Vol. 23, No. 3, 2013, p. 400-5.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  39. Published

    No excess risk of adverse pregnancy outcomes among women with serological markers of previous infection with Coxiella burnetii : evidence from the Danish national birth cohort. / Nielsen, Stine Yde; Andersen, Anne-Marie Nybo; Mølbak, Kåre; Hjøllund, Niels Henrik Ingvar; Kantsø, Bjørn; Krogfelt, Karen Angeliki; Henriksen, Tine Brink.

    In: B M C Infectious Diseases, Vol. 13, No. 1, 2013, p. 87.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  40. Published

    Prevalence of Coxiella burnetii in women exposed to livestock animals, Denmark, 1996 to 2002. / Nielsen, Stine Yde; Molbak, K; Nybo Andersen, A M; Brink Henriksen, T; Kantso, B; Krogfelt, K A; Hjøllund, Niels Henrik Ingvar.

    In: Eurosurveillance (Online Edition), Vol. 18, No. 28, 2013.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  41. Published

    Risk of adverse pregnancy outcome in women exposed to livestock : a study within the Danish National Birth Cohort. / Nielsen, Stine Yde; Henriksen, T B; Hjøllund, Niels Henrik Ingvar; Mølbak, Kare; Andersen, Annett Dalbøge.

    In: Epidemiology and Infection, 2013, p. 1-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  42. 2012
  43. Published

    Association between perfluorinated compounds and time to pregnancy in a prospective cohort of Danish couples attempting to conceive. / Vestergaard, Sonja; Nielsen, Flemming; Andersson, Anne-Maria; Hjøllund, Niels Henrik Ingvar; Grandjean, Philippe; Andersen, Helle Raun; Jensen, Tina Kold.

    In: Human reproduction (Oxford, England), Vol. 27, No. 3, 03.2012, p. 873-80.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  44. Published

    Fatigue in out-patients with inflammatory bowel disease is common and multifactorial. / Bager, P; Befrits, R; Wikman, O; Lindgren, S; Moum, B; Hjortswang, H; Hjollund, N H; Dahlerup, Jens Frederik.

    In: Alimentary Pharmacology and Therapeutics, Vol. 35, No. 1, 01.2012, p. 133-141.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  45. Published

    Low concentration of circulating antimüllerian hormone is not predictive of reduced fecundability in young healthy women : a prospective cohort study. / Hagen, Casper; Vestergaard, Sonja; Juul, Anders; Skakkebæk, Niels Erik; Andersson, Anna-Maria; Main, Katharina Maria; Hjøllund, Niels Henrik; Ernst, Erik; Bonde, Jens Peter; Anderson, Richard A; Jensen, Tina Kold.

    In: Studies in Fertility and Sterility, Vol. 98, No. 6, 2012, p. 1602-8.e2.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  46. Published

    Presence of antibodies against Coxiella burnetii and risk of spontaneous abortion : a nested case-control study. / Nielsen, Stine Yde; Hjøllund, Niels Henrik Ingvar; Andersen, Anne-Marie Nybo; Henriksen, Tine Brink; Kantsø, Bjørn; Krogfelt, Karen Angeliki; Mølbak, Kåre.

    In: P L o S One, Vol. 7, No. 2, 2012, p. e31909.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  47. Published

    Return to work after percutaneous coronary intervention : the predictive value of self-reported health compared to clinical measures. / Biering, Karin; Nielsen, Torsten Toftegård; Rasmussen, Kurt; Niemann, Troels; Hjøllund, Niels Henrik Ingvar.

    In: P L o S One, Vol. 7, No. 11, 2012, p. e49268.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  48. 2011
  49. Published

    Pregnancy related pelvic pain is more frequent in women with increased body mass index. / Biering, Karin; Nøhr, Ellen Aagaard; Olsen, Jørn; Andersen, Anne-Marie Nybo; Hjøllund, Niels Henrik Ingvar; Juhl, Mette.

    In: Acta Obstetricia et Gynecologica Scandinavica, Vol. 90, No. 10, 29.03.2011, p. 1132-1139.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  50. Published

    Association between Pregnancy Loss and Urinary Phthalate Levels around the Time of Conception. / Toft, Gunnar; Jönsson, Bo Ag; Lindh, Christian H; Jensen, Tina Kold; Hjollund, Niels H; Vested, Anne; Bonde, Jens Peter.

    In: Environmental Health Perspectives, 2011.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  51. Published

    Q-feber som årsag til spontan abort. / Nielsen, Stine Yde; Mølbak, K.; Hjøllund, Niels Henrik.

    In: Ugeskrift for Laeger, Vol. 173, No. 34, 2011, p. 2053-2054.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  52. 2010
  53. Published

    Depression og træthed ved kronisk sygdom. / Hjøllund, Niels Henrik Ingvar.

    In: Ugeskrift for Laeger, Vol. 172, No. 38, 20.09.2010, p. 2633; author reply 2633.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  54. Published

    Depression og træthed ved kronisk sygdom : Debat. / Hjøllund, Niels Henrik.

    In: Ugeskrift for laeger, Vol. 172, No. 38, 01.09.2010.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperComment/debateResearchpeer-review

  55. Published

    Smoking and pregnancy-related pelvic pain. / Biering, Karin; Nøhr, Ellen Aagaard; Olsen, Jørn; Hjøllund, Niels Henrik Ingvar; Nybo Andersen, A M; Juhl, Mette.

    In: B J O G, Vol. 117, No. 8, 2010, p. 1019-26.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  56. 2009
  57. Published

    Reliability of short form-36 in an Internet- and a pen-and-paper version. / Basnov, Maja; Kongsved, Sissel Marie; Bech, Per; Hjøllund, Niels Henrik Ingvar.

    In: Informatics for Health and Social Care, Vol. 34, No. 1, 01.2009, p. 53-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  58. Published

    Perceived risk prior to mammography as an independent predictor of breast cancer. / Nielsen, Nina B; Zachariae, Robert; Hjøllund, Niels Henrik.

    In: Journal of Psychosomatic Research, Vol. 66, No. 3, 2009, p. 245-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  59. Published

    Use of medical databases in clinical epidemiology. / Toft Sørensen, Henrik (Editor); Klinisk Epidemiologisk Afdeling, Aarhus Universitet ; Christensen, Tina (Editor); Schlosser, Hanne Kjeldahl (Editor); Pedersen, Lars (Editor); Pedersen, Alma Becic; Lamberg, Anna Lei; Jensen, Anne Nakano; Bjørn, Anne-Mette Bay; de Thurah, Annette; Jensen, Annette Østergaard; Pedersen, Charlotte Gjørup; Christiansen, Christian Fynbo; Gasse, Christiane; Buck, Daniel; Cronin-Fenton, Deirdre; Mikkelsen, Ellen Margrethe; Munk, Estrid Muff; Larsson, Heidi Jeanet; Horsdal, Henriette Thisted; Kornum, Jette Brommann; Biering, Karin; Omland, Lars Haukali Hvass; Iversen, Lene Hjerrild; Tørring, Marie Louise; Hetland, Merete Lund; Nørgaard, Mette; Madsen, Morten; Lohse, Nicolai; Hjøllund, Niels Henrik Ingvar; Weis, Nina; Jepsen, Peter; Wogelius, Pia; Thomsen, Reimar W.; Thygesen, Sandra Kruchov; Christensen, Steffen; Friis, Søren ; Johnsen, Søren Paaske; Lash, Timothy; Ehrenstein, Vera; Langagergaard, Vivian.

    121 p. Department of Clinical Epidemiology, Aarhus University Hospital. 2009, .

    Research output: Other contributionResearch

  60. 2008
  61. Published

    Diagnosekodning i almen praksis af lidelser i bevsegeapparatet. / Nielsen, Mette Nørby; Aaen-Larsen, Birger; Vedsted, Peter; Nielsen, Claus Vinter; Hjøllund, Niels Henrik.

    In: Ugeskrift for laeger, Vol. 170, No. 37, 08.09.2008, p. 2881-2884.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  62. Published

    Træthed ved kronisk sygdom. / Hjøllund, Niels Henrik Ingvar; Andersen, Johan Hviid; Bech, Per.

    In: Ugeskrift for Laeger, Vol. 170, No. 20, 12.05.2008, p. 1733-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  63. Published

    Diagnosekodning af lidelser i bevægeapparatet i almen praksis. / Nielsen, M. N.; Aaen-Larsen, Birger; Vedsted, Peter; Nielsen, Claus Vinther; Hjøllund, Niels Henrik Ingvar.

    In: Ugeskrift for Laeger, Vol. 170, No. 37, 2008, p. 2881-2884.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  64. Published

    Fatigue in chronic disease - A bibliographic study of research in disease-related fatigue across medical specialties : Ugeskrift for Laeger. / Hjøllund, N. H.; Andersen, JH; Bech, P.

    In: Ugeskrift for Laeger, Vol. 170, No. 20, 2008, p. 1733-1738.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  65. 2007
  66. Published

    Socialmedicin eller socialforvaltningsmedicin? / Hjøllund, Niels Henrik.

    In: Ugeskrift for laeger, Vol. 169, No. 40, 01.10.2007.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperLetterResearchpeer-review

  67. Published

    Assessment of fatigue in chronic disease: A bibliographic study of fatigue measurement scales : Health and Quality of Life Outcomes. / Hjøllund, N. H.; Andersen, JH; Bech, P.

    In: Health and Quality of Life Outcomes, Vol. 5, 2007.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  68. Published

    Register-based follow-up of social benefits and other transfer payments: accuracy and degree of completeness in a Danish interdepartmental administrative database compared with a population-based survey. / Hjøllund, Niels Henrik Ingvar; Andersen, Johan Hvid; Larsen, F. B.

    In: Scandinavian Journal of Public Health, Vol. 35, No. 5, 2007, p. 497-502.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  69. Published

    Response rate and completeness of questionnaires : a randomized study of Internet versus paper-and-pencil versions. / Kongsved, Sissel Marie; Basnov, Maja; Holm-Christensen, Kurt; Hjøllund, Niels Henrik Ingvar.

    In: Journal of Medical Internet Research, Vol. 9, No. 3, 2007, p. e25.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  70. 2006
  71. Published

    Bør Ugeskriftet bringe sekundærpublikationer uden et selvstændigt peer review? / Hjøllund, Niels Henrik.

    In: Ugeskrift for Laeger, Vol. 168, No. 33, 2006, p. 2687.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperLetterResearch

  72. Published

    Laboratory work and pregnancy outcomes : a study within the National Birth Cohort in Denmark. / Zhu, Jin Liang; Knudsen, L; Andersen, AM; Hjøllund, Niels Henrik Ingvar; Olsen, Jørn.

    In: Occupational and Environmental Medicine, Vol. 63, No. 1, 2006, p. 53-58.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  73. Published

    Occupational exposure to pesticides and pregnancy outcomes in gardeners and farmers: a study within the Danish National Birth Cohort. / Zhu, Jin Liang; Hjøllund, Niels Henrik Ingvar; Andersen, AM; Olsen, Jørn.

    In: J. Occup. Environ. Med., Vol. 48, No. 4, 2006, p. 347-352.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  74. Published

    Pregnancy outcomes among female hairdressers who participated in the Danish National Birth Cohort. / Zhu, Jin Liang; Vestergaard, Mogens; Hjøllund, Niels Henrik Ingvar; Olsen, Jørn.

    In: Scandinavian Journal of Work, Environment & Health, Vol. 32, No. 1, 2006, p. 61-6.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  75. 2005
  76. Published

    Occupational disorders and return to work: a randomized controlled study. / Bonde, Jens Peter; Rasmussen, Mette Skov; Hjøllund, Niels Henrik Ingvar; Kolstad, Henrik; Svendsen, Susanne Wulff; Jensen, Lone Donbæk; Wieclaw, Joanna.

    In: Journal of Rehabilitation Medicine, Vol. 37, No. 4, 2005, p. 230-5.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  77. Published

    Spontaneous abortion in IVF couples - a role of male welding exposure. / Hjollund, N H; Bonde, J P; Ernst, E; Lindenberg, S; Andersen, A N; Olsen, J; Hjøllund, Niels Henrik Ingvar.

    In: Human reproduction (Oxford, England), Vol. 20, No. 7, 2005, p. 1793-1797.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  78. Published

    Time to pregnancy among Danish laboratory technicians who were a part of the National Birth Cohort. / Zhu, Jin Liang; Knudsen, Lisbeth E.; Nybo Andersen, Anne-Marie; Hjøllund, Niels Henrik Ingvar; Olsen, Jørn.

    In: Scandinavian Journal of Work, Environment & Health, Vol. 31, No. 2, 2005, p. 108-14.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  79. Published

    Using infertile patients in epidemiologic studies on subfecundity and embryonal loss. / Olsen, Jørn; JPB, ; Hjøllund, Niels Henrik Ingvar; Basso, O.; Ernst, Erik.

    In: Hum Reprod Update, Vol. 11, No. 6, 2005, p. 607-611.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  80. 2004
  81. Published

    Fatigue and psychological states and traits in systemic lupus erythematosus : association or causation? / Hjøllund, Niels Henrik Ingvar; Hansen, Ole Nørby.

    In: Journal of Rheumatology, Vol. 31, No. 4, 04.2004, p. 823; author reply 823-4.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  82. Published

    Alcohol Consumption at the Time of Conception and Spontaneous Abortion. / Henriksen, Tine Brink; Hjøllund, Niels Henrik Ingvar; Jensen, T.K.; Bonde, Jens Peter; Andersson, A.M.; Kolstad, Henrik; Ernst, Erik; Giwercman, A.; Skakkebæk, N.E.; Olsen, J.

    In: American Journal of Epidemiology, Vol. 160, No. 7, 2004, p. 661-667.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  83. Published

    Job Strain and Male Fertility. / Hjøllund, Niels Henrik Ingvar; Bonde, Jens Peter; Henriksen, Tine Brink; Giwercman, A.; Olsen, Jørn; Danish First Pregnancy Planner Study Team, The.

    In: Epidemiology, Vol. 15, No. 1, 2004, p. 114-117.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  84. Published

    Pesticide exposure in male farmers and survival of in vitro fertilized pregnancies. / Hjøllund, Niels Henrik Ingvar; Bonde, Jens Peter; Ernst, Erik; Lindenberg, S.; Andersen, Anne-Marie Nybo; Olsen, Jørn.

    In: Human Reproduction, Vol. 19, No. 6, 2004, p. 1331-1337.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  85. Published

    Reproductive Effects of Male Psychologic Stress. / Hjøllund, Niels Henrik Ingvar; Bonde, Jens Peter; Henriksen, Tine Brink; Giwercman, A.; Olsen, Jørn; Danish First Pregnancy Planner Study Team, The.

    In: Epidemiology, Vol. 15, No. 1, 2004, p. 21-27.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  86. Published

    Semen quality and sedentary work position. / Støy, Julie; Hjøllund, Niels Henrik Ingvar; Mortensen, Jens Tølbøll; Burr, Hermann; Bonde, Jens Peter.

    In: International Journal of Andrology, Vol. 27, No. 1, 2004, p. 5-11.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  87. Published

    Shift Work, Job Stress, and Late Fetal Loss: The National Birth Cohort in Denmark. / Zhu, J.L.; Hjøllund, Niels Henrik Ingvar; Andersen, Anne-Marie Nybo; Olsen, J.

    In: Journal of Occupational and Environmental Medicine, Vol. 46, No. 11, 2004, p. 1144-1149.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  88. Published

    Shift work, duration of pregnancy, and birth weight: The National Birth Cohort in Denmark. / Zhu, J.L.; Hjøllund, Niels Henrik Ingvar; Olsen, J.

    In: American Journal of Obstetrics and Gynecology, Vol. 191, No. 1, 2004, p. 285-291.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  89. Published

    Træthed hos yngre færdigbehandlede brystkræftpatienter. En kvalitativ undersøgelse. / Hjøllund, Niels Henrik Ingvar; Hansen, ON; Jørgensen, M.

    In: Månedskrift for Praktisk Lægegerning, Vol. 82, No. 10, 2004, p. 1171-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearch

  90. 2003
  91. Published

    Shift work and subfecundity: a causal link or an artefact? / Zhu, Jin Liang; Hjøllund, Niels Henrik Ingvar; Boggild, Henrik; Olsen, Jørn.

    In: Occupational and Environmental Medicine, Vol. 60, No. 9, 09.2003, p. E12.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  92. Published

    Epidemiologic evidence on biological and environmental male factors in embryonic loss. / Bonde, Jens Peter; Hjøllund, Henrik I; Henriksen, Tine B; Jensen, Tina K; Spanò, Marcello; Kolstad, Henrik; Giwercman, A; Storgaard, Lone; Ernst, Erik; Olsen, Jørn.

    Advances in Male Mediated Developmental Toxicity. ed. / Bernard Robaire; Barbara F Hales. Vol. 518 2003. p. 25-35 (Advances in Experimental Medicine and Biology).

    Research output: Contribution to book/anthology/report/proceedingBook chapterResearchpeer-review

  93. Published

    Correlation between sperm motility and sperm chromatin structure assay parameters. / Giwercman, A.; Richthof, J.; Hjøllund, Niels Henrik Ingvar; Bonde, J.P.; Jepson, K.; Frohm, B.; Spano, M.

    In: Fertil Steril, Vol. 80, No. 6, 2003, p. 1404-1412.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  94. Published

    Oxidative DNA damage in human sperm influences time to pregnancy. / Loft, S.; Jensen, T.K.; Hjøllund, Niels Henrik Ingvar; Givercman, A.; Gyllenborg, J.; Ernst, Erik; Olsen, Jørn; Scheike, T.; Poulsen, H.E.; Bonde, J.P.

    In: Hum. Reprod., Vol. 18, No. 6, 2003, p. 1265-1272.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  95. 2002
  96. Published

    Impact of diurnal scrotal temperature on semen quality. / Hjollund, Niels Henrik I; Storgaard, Lone; Ernst, Erik; Bonde, Jens Peter; Olsen, Jørn; Hjøllund, Niels Henrik Ingvar.

    In: Reproductive toxicology (Elmsford, N.Y.), Vol. 16, No. 3, 20.07.2002, p. 215-21.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  97. Published

    Can a negative time trend of sperm density be explained by changes in reproductive pattern? / Hjollund, Henrik; Storgaard, Lone; Bonde, Jens Peter; Olsen, JØrn.

    In: Epidemiology, Vol. 13, No. 6, 01.01.2002, p. 746-748.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperLetterResearchpeer-review

  98. Published

    Correlation of scrotal temperature in twins. / Hjøllund, Niels Henrik Ingvar; Storgaard, L.; Ernst, E.; Bonde, J.P.; Christensen, K.; Olsen, J.

    In: Hum. Reprod., Vol. 17, No. 7, 2002, p. 1837-1838.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  99. Published

    The relation between daily activities and scrotal temperature. / Hjøllund, Niels Henrik Ingvar; Storgaard, L.; Ernst, E.; Bonde, J.P.; and; Olsen, J.P.

    In: Reprod. Toxicol, Vol. 16, No. 3, 2002, p. 209-214.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  100. 2000
  101. Published

    Uafklaret økonomisk kompensation og forløb af nerverodstryk i nakken. / Hjøllund, Niels Henrik Ingvar.

    In: Ugeskrift for Laeger, Vol. 162, No. 44, 30.10.2000, p. 5941-2.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleCommunication

  102. Published

    Diurnal scrotal skin temperature and semen quality. The Danish First Pregnancy Planner Study Team. / Hjøllund, Niels Henrik Ingvar; Bonde, J P; Jensen, T K; Olsen, J.

    In: International Journal of Andrology, Vol. 23, No. 5, 10.2000, p. 309-18.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  103. Published

    Computer-assisted semen analysis parameters as predictors for fertility of men from the general population. The Danish First Pregnancy Planner Study Team. / Larsen, L; Scheike, T; Jensen, T K; Bonde, J P; Ernst, E; Hjøllund, Niels Henrik Ingvar; Zhou, Y; Skakkebaek, N E; Giwercman, A.

    In: Human reproduction (Oxford, England), Vol. 15, No. 7, 07.2000, p. 1562-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  104. Published

    Sperm chromatin damage impairs human fertility. The Danish First Pregnancy Planner Study Team. / Spanò, M; Bonde, J P; Hjøllund, H I; Kolstad, Henrik; Cordelli, E; Leter, G.

    In: Fertility and Sterility, Vol. 73, No. 1, 01.01.2000, p. 43-50.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  105. Published

    Semen quality among Danish and Finnish men attempting to conceive. The Danish First Pregnancy Planner Study Team. / Jensen, T K; Vierula, M; Hjollund, N H; Saaranen, M; Scheike, T; Saarikoski, S; Suominen, J; Keiski, A; Toppari, J; Skakkebaek, N E; Hjøllund, Niels Henrik Ingvar.

    In: European Journal of Endocrinology. Supplement, Vol. 142, No. 1, 01.2000, p. 47-52.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  106. Published

    Birthweight and semen characteristics. / Olsen, Jørn; Bonde, Jens Peter; Basso, Olga; Hjøllund, Niels Henrik; Sørensen, Henrik Toft; Abell, Annette.

    In: International Journal of Andrology, Vol. 23, No. 4, 2000, p. 230-235.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  107. Published

    Spontaneous abortion and physical strain around implantation : A follow-up study of first-pregnancy planners. / Hjøllund, Niels Henrik Ingvar; Jensen, T.K.; Bonde, J.P.; Henriksen, T.B.; Andersson, A.M.; Kolstad, H.; Ernst, Erik; Giwercman, A.; Skakkebæk, N.E.; Olsen, J.

    In: Epidemiology, Vol. 11, 2000, p. 18-23.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  108. 1999
  109. Published

    Is glycosylated haemoglobin a marker of fertility? A follow-up study of first-pregnancy planners. / Hjøllund, Niels Henrik Ingvar; Jensen, T K; Bonde, J P; Henriksen, T B; Andersson, A M; Skakkebaek, N E.

    In: Human reproduction (Oxford, England), Vol. 14, No. 6, 06.1999, p. 1478-82.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  110. Published

    Zinc, magnesium and calcium in human seminal fluid : relations to other semen parameters and fertility. / Sørensen, M B; Bergdahl, I A; Hjøllund, Niels Henrik Ingvar; Bonde, J P; Stoltenberg, M; Ernst, E.

    In: Molecular Human Reproduction, Vol. 5, No. 4, 04.1999, p. 331-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  111. Published

    Concluding panel on direction for future research on male reproductive capability. / Olsen, J.; Baird, D.; Schrader, S.; Levine, R.; Bonde, J. P.; Hjollund, H.

    In: Scandinavian Journal of Work, Environment and Health, Vol. 25, No. SUPPL. 1, 01.01.1999, p. 76-78.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  112. Published

    Environmental semen studies--is infertility increased by a decline in sperm count? / Bonde, J P; Hjøllund, Niels Henrik Ingvar; Kolstad, Henrik; Abell, A; Larsen, S B.

    In: Scandinavian Journal of Work, Environment & Health, Vol. 25 Suppl 1, 01.01.1999, p. 12-6; discussion 76-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  113. Published

    Distress and reduced fertility: a follow-up study of first-pregnancy planners. / Hjøllund, Niels Henrik Ingvar; Jensen, T K; Bonde, J P; Henriksen, T B; Andersson, A M; Kolstad, Henrik; Ernst, Erik; Giwercman, A; Skakkebaek, N E; Olsen, J.

    In: Fertility and Sterility, Vol. 72, No. 1, 1999, p. 47-53.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  114. Published

    Extremely low frequency magnetic fields and fertility: a follow up study of couples planning first pregnancies. The Danish First Pregnancy Planner Study Team. / Hjøllund, Niels Henrik Ingvar; Skotte, J H; Kolstad, Henrik; Bonde, J P.

    In: Occupational and Environmental Medicine, Vol. 56, No. 4, 1999, p. 253-5.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  115. Published

    Menstrual cycle pattern and fertility : A prospective follow-up study of pregnancy and early embryonal loss in 295 couples who were planning their first pregnancy. / Kolstad, Henrik A.; Bonde, Jens Peter; Hjøllund, Niels Henrik; Jensen, Tina Kold; Henriksen, Tine Brink; Ernst, Erik; Giwercman, Aleksander; Skakkebæk, Niels Erik; Olsen, Jørn.

    In: Fertility and Sterility, Vol. 71, No. 3, 1999, p. 490-496.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  116. Published

    Sædkvalitet og fertilitet i en populationsbaseret followup-undersøgelse. / Bonde, Jens Peter; Ernst, Erik; Jensen, T.K; Hjøllund, Niels Henrik; Kolstad, Henrik; Henriksen, Tine Brink; Scheike, T; Giwercman, A.J; Olsen, Jørn; Skakkebæk, N.E.

    In: Ugeskrift for Laeger, Vol. 161, 1999, p. 6485-6489.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  117. 1998
  118. Published

    Adult and prenatal exposures to tobacco smoke as risk indicators of fertility among 430 Danish couples. / Jensen, T K; Henriksen, T B; Hjøllund, Niels Henrik Ingvar; Scheike, Thomas; Kolstad, Henrik; Giwercman, A; Ernst, E; Bonde, J P; Skakkebaek, N E; Olsen, J.

    In: American Journal of Epidemiology, Vol. 148, No. 10, 15.11.1998, p. 992-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  119. Published

    Year of birth and sperm count in 10 Danish occupational studies. / Bonde, J P; Kold Jensen, T; Brixen Larsen, S; Abell, A; Scheike, Thomas; Hjøllund, Niels Henrik Ingvar; Kolstad, Henrik; Ernst, E; Giwercman, A; Skakkebaek, N E; Keiding, N; Olsen, J.

    In: Scandinavian Journal of Work, Environment & Health, Vol. 24, No. 5, 01.10.1998, p. 407-13.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  120. Published

    Does moderate alcohol consumption affect fertility? Follow up study among couples planning first pregnancy. / Jensen, T K; Hjøllund, Niels Henrik Ingvar; Henriksen, T B; Scheike, Thomas; Kolstad, Henrik; Giwercman, A; Ernst, E; Bonde, J P; Skakkebaek, N E; Olsen, J.

    In: B M J (Clinical Research Edition), Vol. 317, No. 7157, 22.08.1998, p. 505-10.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  121. Published

    Semen analysis of personnel operating military radar equipment. / Hjøllund, Niels Henrik Ingvar; Bonde, J P; Skotte, J.

    In: Reproductive toxicology (Elmsford, N.Y.), Vol. 11, No. 6, 04.01.1998, p. 897.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

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