Volkert Dirk Siersma

Volkert Dirk Siersma

!!Statistiker, External Lecturer


  1. 2008
  2. Published

    Social-cognitive and school factors in lifetime smoking among adolescents

    Bidstrup, P. E., Frederiksen, K., Siersma, Volkert Dirk, Mortensen, Erik Lykke, Ross, L., Vinther-Larsen, M., Gronbaek, M. & Johansen, C., 2008, In: Cancer Epidemiology, Biomarkers & Prevention. 17, 8, p. 1862-1871 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Studies in the interaction between disease development and interventions

    Siersma, Volkert Dirk, 2008, In: Maanedsskrift for Praktisk Laegegerning. p. -

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Studies in the interactions between disease development and interventions

    Siersma, Volkert Dirk, 2008, Museum Tusculanum.

    Research output: Book/ReportPh.D. thesisResearch

  5. Published

    Vaegtanamnesen for patienter med nyopdaget type 2-diabetes--sekundaerpublikation

    Olivarius, Niels de Fine, Richelsen, B., Siersma, Volkert Dirk, Andreasen, A. H. & Beck-Nielsen, H., 2008, In: Ugeskrift for læger. 170, 45, p. 3640-3 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Weight history of patients with newly diagnosed Type 2 diabetes

    Olivarius, N. D. F., Richelsen, B., Siersma, Volkert Dirk, Andreasen, A. H. & Beck-Nielsen, H., 2008, In: Diabetic Medicine. 25, 8, p. 933-41 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 2007
  8. Published

    A coefficient of association between categorical variables with partial or tentative ordering of categories

    Siersma, Volkert Dirk & Kreiner, Svend, 2007, Juli, 2007 [Biostatistisk Afdeling rapport 07-10] ed. Museum Tusculanum.

    Research output: Book/ReportReportResearch

  9. Published

    Multivariable modelling for meta-epidemiological assessment of the association between trial quality and treatment effects estimated in randomized clinical trials

    Siersma, Volkert Dirk, Als-Nielsen, B., Chen, W., Hilden, Jørgen, Gluud, L. L. & Gluud, C. N., 2007, In: Statistics in Medicine. 26, 14, p. 2745-2758 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Psychometric properties of brief indexes designed to measure social-cognitive predictors of smoking initiation

    Hansen, P. E., Siersma, Volkert Dirk, Ross, L., Mortensen, Erik Lykke, Riegels, M., Tjornhøj-Thomsen, T. & Johansen, C., 2007, In: Drug and Alcohol Dependence. 88, 1, p. 64-74 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Simulating from graphical models for ordinal categorical data

    Siersma, Volkert Dirk & Kreiner, Svend, 2007, Museum Tusculanum.

    Research output: Book/ReportReportResearch

  12. Published

    Weight change og change in weight trend. Differences in analytical approaches

    Olivarius, Niels de Fine & Siersma, Volkert Dirk, 2007, In: Diabetes, Obesity and Metabolism. 9, p. 915-916 1 p.

    Research output: Contribution to journalLetterResearchpeer-review

ID: 3512987