Odd Olai Aalen

Professor Emeritus - Department of Biostatistics
Image of Odd Olai Aalen
Norwegian version of this page
Phone +47-22851236
Room 2234
Visiting address Sognsvannsveien 9 Domus Medica 0372 OSLO

Academic interests

  • Statistics
  • survival analysis
  • causal inference

Courses taught

Mainly statistics courses for researchers


  • Professor of Medical Statistics at the University of Oslo
  • PhD in Biostatistics from UC Berkeley


  • Presenting the 2010 Armitage lecture in Cambridge
Tags: Biostatistics


  • Aalen, Odd O.; Gran, Jon Michael; Røysland, Kjetil; Stensrud, Mats Julius & Strohmaier, Susanne (2018). Feedback and Mediation in Causal Inference Illustrated by Stochastic Process Models. Scandinavian Journal of Statistics.  ISSN 0303-6898.  45(1), s 62- 86 . doi: 10.1111/sjos.12286
  • Valberg, Morten; Stensrud, Mats Julius & Aalen, Odd O. (2018). The surprising implications of familial association in disease risk. BMC Public Health.  ISSN 1471-2458.  18, s 135 . doi: 10.1186/s12889-018-5033-5
  • Gran, Jon Michael; Hoff, Rune; Røysland, Kjetil; Ledergerber, Bruno; Young, James & Aalen, Odd O. (2017). Estimating the treatment effect on the treated under time-dependent confounding in an application to the Swiss HIV Cohort Study. Journal of the Royal Statistical Society, Series C: Applied Statistics.  ISSN 0035-9254.  67(1), s 103- 125 . doi: 10.1111/rssc.12221
  • Stensrud, Mats Julius; Aalen, Odd O.; Valberg, Morten & Røysland, Kjetil (2017). Exploring selection bias by causal frailty models: The magnitude matters. Epidemiology.  ISSN 1044-3983.  28(3), s 379- 386 . doi: 10.1097/EDE.0000000000000621
  • Stensrud, Mats Julius; Strohmaier, Susanne; Valberg, Morten & Aalen, Odd O. (2017). Can chance cause cancer? A causal consideration. European Journal of Cancer.  ISSN 0959-8049.  75, s 83- 85 . doi: 10.1016/j.ejca.2016.12.022
  • Aalen, Odd O.; Røysland, Kjetil; Gran, Jon Michael; Kouyos, Roger & Lange, Theis (2016). Can we believe the DAGs? A comment on the relationship between causal DAGs and mechanisms. Statistical Methods in Medical Research.  ISSN 0962-2802.  25(5), s 2294- 2314 . doi: 10.1177/0962280213520436
  • Valberg, Morten; Grotmol, Tom; Tretli, Steinar; Veierød, Marit Bragelien; Moger, Tron Anders; Devesa, Susan S. & Aalen, Odd O. (2016). Prostate-specific antigen testing for prostate cancer: Depleting a limited pool of susceptible individuals?. European Journal of Epidemiology.  ISSN 0393-2990.  20(6), s 511- 520 . doi: 10.1007/s10654-016-0185-z
  • Aalen, Odd O.; Cook, Richard J. & Røysland, Kjetil (2015). Does Cox analysis of a randomized survival study yield a causal treatment effect?. Lifetime Data Analysis.  ISSN 1380-7870.  21(4), s 579- 593 . doi: 10.1007/s10985-015-9335-y

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  • Aalen, Odd O.; Frigessi, Arnoldo; Moger, Tron Anders; Scheel, Ida; Skovlund, Eva & Veierød, Marit Bragelien (2018). Statistiske metoder i medisin og helsefag. 2. utgave. Gyldendal Akademisk.  ISBN 978-82-05-50764-7.  351 s.

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  • Stensrud, Mats Julius; Valberg, Morten & Aalen, Odd O. (2017). Can collider bias explain paradoxical associations?. Epidemiology.  ISSN 1044-3983.  28(4), s e39- e40 . doi: 10.1097/EDE.0000000000000653

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Published Apr. 13, 2011 2:41 PM - Last modified Jan. 4, 2013 10:10 AM