Volkert Dirk Siersma

Volkert Dirk Siersma

!!Statistiker, External Lecturer


  1. 2009
  2. Published

    Social-cognitive and school factors in initiation of smoking among adolescents: a prospective cohort study

    Bidstrup, P. E., Frederiksen, K., Siersma, Volkert Dirk, Mortensen, Erik Lykke, Ross, L., Vinther-Larsen, M., Grønbæk, M. & Johansen, Christoffer, 2009, In: Cancer Epidemiology, Biomarkers & Prevention. 18, 2, p. 384-92 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    The effect of reminder letters on the uptake of an e-learning programme on dementia: a randomized trial in general practice

    Waldorff, Frans Boch, Siersma, Volkert Dirk, Nielsen, B., Steenstrup, A. P. & Bro, F., 2009, In: Family Practice. 26, 6, p. 466-471 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    The impact of changes in self-rated general health on 28-year mortality among middle-aged Danes

    Nielsen, Anni Brit Sternhagen, Siersma, Volkert Dirk, Kreiner, Svend, Hiort, L. C., Drivsholm, Thomas, Eplov, L. F. & Hollnagel, Hanne, 2009, In: Scandinavian Journal of Primary Health Care. 27, 3, p. 160-166 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. 2010
  6. Published

    Early predictors of the long-term outcome of low back pain - results of a 22-year prospective cohort study from general practice

    Lonnberg, F., Pedersen, P. & Siersma, Volkert Dirk, 2010, In: Family Practice. 27, 6, p. 609-614 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Fitness consultations in routine care of patients with type 2 diabetes in general practice: an 18-month non-randomised intervention study

    Lohmann, H., Siersma, Volkert Dirk & Olivarius, Niels de Fine, 2010, In: B M C Family Practice. 11, p. 83-92 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Monte Carlo and bootstrap evaluation of model search in graphical models for ordinal data

    Siersma, Volkert Dirk & Kreiner, Svend, 2010.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  9. Published

    Paracetamol for feverish children: parental motives and experiences

    Jensen, J. F., Tonnesen, L. L., Söderström, M., Thorsen, Hanne & Siersma, Volkert Dirk, 2010, In: Scandinavian Journal of Primary Health Care. 28, 2, p. 115-120 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Predictors of mortality of patients newly diagnosed with clinical type 2 diabetes: a 5-year follow up study

    Olivarius, Niels de Fine, Siersma, Volkert Dirk, Nielsen, Anni Brit Sternhagen, Hansen, L. J., Rosenvinge, L. & Mogensen, C. E., 1 Jan 2010, In: B M C Endocrine Disorders. 10, p. 14

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Documenting organisational development in general practice using a group-based assessment method: the Maturity Matrix

    Eriksson, T., Siersma, Volkert Dirk, Løgstrup, L., Buch, M., Elwyn, G. & Edwards, A., Jul 2010, In: Quality and Safety in Healthcare. 19, 5, p. 1-7 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. 2011
  13. Published

    Distinguishing fluvio-deltaic facies by bulk geochemistry and heavy minerals: an example from the Miocene of Denmark

    Olivarius, M., Rasmussen, E. S., Siersma, Volkert Dirk, Knudsen, C. & Pedersen, G. K., 2011, In: Sedimentology. 58, 5, p. 1155-1179 25 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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