Laine, Liisa T. http://orcid.org/0000-0003-0023-1629
Hyytinen, Ari
Funding for this research was provided by:
Yrjö Jahnssonin SäSätiSö (6578)
KAUTE-SSäSätiSö
Article History
Received: 16 February 2021
Accepted: 12 October 2021
First Online: 9 November 2021
Declarations
:
: The authors declare no conflicts of interest or competing interests.
: The two data sets were linked by using personal coded identifiers by Statistics Finland. Record linkages of the cohort study data conform to the Data Protection Act and were originally approved by the ethical committee of the Department of Public Health, University of Helsinki (Kaprio et al., 1979). Statistics Finland has accepted the record linkages used for the matched data used in this paper. All the data work of this paper was carried out at Statistics Finland, following its terms and conditions of confidentiality.