Funding for this research was provided by:
Research Trainees Coordinating Centre (DRF-2013-06-038)
Forskningsrådet om Hälsa, Arbetsliv och Välfärd (2014-4016)
Article History
Received: 23 November 2019
Accepted: 2 December 2019
First Online: 26 December 2019
Ethics approval and consent to participate
: The SWENIS study including its design was approved by the Umeå Regional Ethical Review Board (Dnr: 2013–269-31) Umeå, Sweden. This paper presents secondary analysis of data collected through the SWENIS study with second and third authors providing access to the anonymized data to the first author under a memorandum of understanding.
: Not applicable.
: MW was an Associate Editor for the BMC Geriatrics at the time of the original submission to that journal, but after 18 months of review before transfer to this journal, he was no longer. AS and DE declare that they have no competing interests.