About the Authors

Lise Geisler Andersen

Affiliation Institute of Preventive Medicine, Center for Health and Society, Copenhagen University Hospital, Copenhagen, Denmark

Lars Ängquist

Affiliation Institute of Preventive Medicine, Center for Health and Society, Copenhagen University Hospital, Copenhagen, Denmark

Michael Gamborg

Affiliation Institute of Preventive Medicine, Center for Health and Society, Copenhagen University Hospital, Copenhagen, Denmark

Liisa Byberg

Affiliations Department of Surgical Sciences, Orthopaedics, Uppsala University, Uppsala, Sweden, Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden

Calle Bengtsson

Affiliation Department of Public Health and Community Medicine, University of Gothenburg, Gothenburg, Sweden

Dexter Canoy

Affiliations The Northwest Institute for Bio-Health Informatics, School of Community-Based Medicine, The University of Manchester, Manchester, United Kingdom, Institute of Health Sciences and Biocenter Oulu, University of Oulu, Oulu, Finland

Johan G. Eriksson

Affiliations Department of General Practice and Primary Health Care, University of Helsinki, Helsinki, Finland, National Institute of Health and Welfare, Helsinki, Finland, Helsinki University Central Hospital, Helsinki, Finland, Vasa Central Hospital, Vasa, Finland, Folkhälsan Research Center, Helsinki, Finland

Marit Eriksson

Affiliation Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden

Marjo-Riitta Järvelin

Affiliations Institute of Health Sciences and Biocenter Oulu, University of Oulu, Oulu, Finland, Department of Epidemiology and Public Health, Imperial College London, London, United Kingdom, Department of Child and Adolescent Health, National Institute of Health and Welfare, Helsinki, Finland

Lauren Lissner

Affiliation Department of Public Health and Community Medicine, University of Gothenburg, Gothenburg, Sweden

Tom I. Nilsen

Affiliation Human Movement Science Programme, Norwegian University of Science and Technology, Trondheim, Norway

Merete Osler

Affiliations Research Centre for Prevention and Health, Glostrup University Hospital, Glostrup, Denmark, Institute of Public Health, University of Copenhagen, Copenhagen, Denmark

Kim Overvad

Affiliation Department of Cardiology and Department of Clinical Epidemiology, Aalborg Hospital, Aarhus University Hospital, Aalborg, Denmark

Finn Rasmussen

Affiliation Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden

Minna K. Salonen

Affiliation Diabetes Prevention Unit, Department of Health Promotion and Chronic Disease Prevention, National Institute for Health and Welfare, Helsinki, Finland

Lene Schack-Nielsen

Affiliations Institute of Preventive Medicine, Center for Health and Society, Copenhagen University Hospital, Copenhagen, Denmark, Department of Human Nutrition, Faculty of Life Science, University of Copenhagen, Frederiksberg, Denmark

Tuija H. Tammelin

Affiliations Finnish Institute of Occupational Health, Oulu, Finland, LIKES - Research Center for Sport and Health Sciences, Jyväskylä, Finland

Tomi-Pekka Tuomainen

Affiliation Research Institute of Public Health, University of Kuopio, Kuopio, Finland

Thorkild I. A. Sørensen

Affiliation Institute of Preventive Medicine, Center for Health and Society, Copenhagen University Hospital, Copenhagen, Denmark

Jennifer L. Baker

jba@ipm.regionh.dk

Affiliation Institute of Preventive Medicine, Center for Health and Society, Copenhagen University Hospital, Copenhagen, Denmark

for the NordNet Study Group

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LGA LÄ MG TIAS JLB. Analyzed the data: LGA LÄ MG LB DC ME TIN MO MKS TT TIAS JLB. Contributed reagents/materials/analysis tools: LB CB DC JGE MRJ LL MO KO FR LSN TPT TIAS JLB. Wrote the paper: LGA TIAS JLB. Participated in interpretation of the data, drafting of the manuscript and final approval of the submitted version: LÄ MG JLB. Participated in interpretation of the data and final approval of the submitted version: LGA. Participated in critical revisions of the manuscript and final approval of the submitted version: CB ME MRJ LL TIN MO KO FR MKS LSN TT TPT. Participated in interpretation of the data, critical revisions of the manuscript and final approval of the submitted version: LB DC JGE. Participated in conception and design of the study, interpretation of the data, drafting and critical revisions of the manuscript and final approval of the submitted version: TIAS. Project coordinators: TIAS JLB. Data management: LGA LÄ JLB. Statistical analysis: LÄ MG.