Grønning, Kjersti http://orcid.org/0000-0003-4256-6339
Espnes, Geir A.
Nguyen, Camilla
Rodrigues, Ana Maria Ferreira
Gregorio, Maria Joao
Sousa, Rute
Canhão, Helena
André, Beate
Funding for this research was provided by:
EEA Grants
Article History
Received: 27 February 2018
Accepted: 24 August 2018
First Online: 4 September 2018
Ethics approval and consent to participate
: An invitation letter was sent by post to all inhabitants in the Nord-Trøndelag County and included the first questionnaire (Q1) and an information pamphlet. The information pamphlets (for HUNT2 and HUNT3) were elaborated in co-operation with the Data Inspectorate of Norway, the Health Directorate and the Regional Committee for Medical and Health Research Ethics. The participants delivered the written consent together with the Q1 when they attended the health examination sites. This present study was conducted in accordance with the Declaration of Helsinki. The Regional Ethics Committee in Medicine, Central Norway approved the study (2015/1211/REK midt).
: Not applicable
: The authors have no financial or non-financial competing interest in the design of the study, data collection, and analysis, interpretation of data or in writing the manuscript.
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