Background and activities

Academic title

Albrektsen is employed as professor in medical statistic at NTNU, the Faculty of Medicince and Public Health. Area of work relates to scientific research, teaching and supervision in medical statistics.

Academic degree

Cand. scient. in statistic, signal- and dataanalysis (Title of thesis: 'Effect of misclassification in independent variable in logistic regression), Department of Mathematics, Faculty of Matematics and Natural science, University of Bergen, Norway (1989).

Dr. philos., cancer epidemiology/medical statistics: 'Time-related effect of a pregnancy on the risk of female cancers: a prospective study of one million Norwegian women aged 20-56 year', Section for medical informatic and statistics, Faculty of Medicine, University of Bergen, Norway (1998).

Area of research

Main research relates to analysis of data from large, prospective, population-based cohort studies, with time-varying exposure as well as time-varying effects, within the field of cancer and cardiovascular disease epidemiology. Comprehensive research experience through several collaboration projects related to epidemiological and clinical studies, prognostic studies, intervention- and experimental studies, projects within diagnostic testing and reliability studies, and quality of life and social science studies, with applications of a wide range of statistical methods through different design of studies (repeated measures, survival data, data from cross-sectional surveys, case-control data).



Scientific, academic and artistic work

Displaying a selection of activities. See all publications in the database

Journal publications


  • Albrektsen, Grethe; Heuch, Ivar; Wilsgaard, Tom; Bønaa, Kaare. (2016) Three-way interaction effects in terms of combined categories of interacting factors: comparing gender-specific risk estimates across three broad age groups. Population-based Time-to-Event Analysis International Conference . Cancer Research UK Cancer Survival Group; London School of Hygiene and Tropical Medicine, London. 2016-08-31 - 2016-09-02.
  • Albrektsen, Grethe; Heuch, Ivar. (2004) Cubic spline regression models for estimation of non-linear associations in epidemiology: Prediction of breast cancer risk by time since a childbirth. 22nd International Biometric Conference . International Biometric Society; Cairns. 2004-07-11 - 2004-07-16.