Burström, Kristina http://orcid.org/0000-0001-9996-4317
Teni, Fitsum Sebsibe http://orcid.org/0000-0002-6182-499X
Gerdtham, Ulf-G. http://orcid.org/0000-0002-0647-7817
Leidl, Reiner http://orcid.org/0000-0002-7115-7510
Helgesson, Gert http://orcid.org/0000-0002-0075-0165
Rolfson, Ola http://orcid.org/0000-0001-6534-1242
Henriksson, Martin http://orcid.org/0000-0003-1699-3185
Article History
First Online: 20 April 2020
Compliance with Ethical Standards
:
: Kristina Burström is a member of the EuroQol Group. Fitsum Sebsibe Teni, Ulf-G Gerdtham, Gert Helgesson, Ola Rolfson and Martin Henriksson have no conflicts of interest that are directly relevant to the content of this article. Reiner Leidl is a member of the EuroQol Group.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (Regional Ethical Review Board in Uppsala (Dnr: 2015/417) and Swedish Ethical Review Authority (Dnr: 2019–00763)) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: The pseudonymised data are based on information from individuals who agreed to participate after having been informed about the study. The individuals in the sample were informed that the responded questionnaire would be linked to the Swedish official registries through the personal identification numbers, to obtain register information on a sociodemographic level. The respondents thus accepted the linking of registry data by informed consent. All handling of personal identification numbers was carried out by Statistics Sweden, the statistical administrative authority in Sweden. The survey has been approved by the Regional Ethical Review Board in Uppsala (Dnr: 2015/417). The present study has been approved by the Swedish Ethical Review Authority (Dnr: 2019–00763).