General information

Name Cohort of Norway
Acronym CONOR
Last update 08/25/2009

Principal investigator

Lars Vatten (Chair/Professor)
Norwegian University of Science and Technology (NTNU)


Lars Vatten (Chair/Professor)
Norwegian University of Science and Technology (NTNU)
Phone: +47 73 59 87 87
Camilla Stoltenberg (Dr.)
Norwegian Institute of Public Health
Phone: +47 21 07 82 38
Kjersti Andersen Nerhus (Advisor and CONOR coordinator)
Norwegian Institute of Public Health
Phone: +47 21 07 81 64




A number of large population-based cardiovascular surveys have been conducted in Norway since the beginning of the 1970s. The surveys were carried out by the National Health Screening Service in cooperation with the universities and local health authorities. All surveys comprised a common set of questions, standardized anthropometric and blood pressure measurements and non-fasting blood samples. These surveys provided considerable experience in conducting large-scale population-based surveys, thus an important background for the Cohort of Norway (CONOR). In 1994–95, the fourth round of the Tromsø Study was conducted, and became the first survey to provide data and blood samples for CONOR. During the years 1994–2003, a number of health surveys that were carried out in other counties and cities also provided similar data for the network. So far, 10 different surveys have provided data and blood samples for CONOR. The administrative responsibility for CONOR was given to the Norwegian Institute of Public Health (NIPH) in 2002. The CONOR collaboration is currently a research collaboration between the NIPH and the Universities of Bergen, Oslo, Tromsø and Trondheim.


CONOR is a regroupment of studies sharing similar objectives and methods (including the questionnaire). The CONOR cohort has not been established on the basis of any single hypothesis but is rather a multipurpose study. The ambition was to set up a sufficiently large enough cohort to study aetiological factors for a wide range of diseases. Additionally, this cohort should make it possible to describe Norwegian men and women in terms of distribution of exposures and health status according to time, place and socio-economic factors.

Member organizations

Design of the member studies Cohort


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