Blar i Bergen Open Research Archive på forfatter "Borgan, Ørnulf"

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    • Causal inference in multi-state models–sickness absence and work for 1145 participants after work rehabilitation 

      Gran, Jon Michael; Lie, Stein Atle; Øyeflaten, Irene Larsen; Borgan, Ørnulf; Aalen, Odd O. (Peer reviewed; Journal article, 2015-10-23)
      Background Multi-state models, as an extension of traditional models in survival analysis, have proved to be a flexible framework for analysing the transitions between various states of sickness absence and work over time. ...

    • A hierarchical frailty model applied to two-generation melanoma data 

      Moger, Tron Anders; Haugen, Marion; Yip, Benjamin H. K.; Gjessing, Håkon K.; Borgan, Ørnulf (Peer reviewed; Journal article, 2010)
      We present a hierarchical frailty model based on distributions derived from non-negative Lévy processes. The model may be applied to data with several levels of dependence, such as family data or other general clusters, ...