STODS: the Swedish Twin project Of Disability pension and Sickness absence

SND-ID: EXT 0214

This study is part of the collection REWHARD - RElations, Work and Health across the life-course - A Research Data infrastructure

Creator/Principal investigator(s)

Pia Svedberg - Karolinska Institutet, Department of Clinical Neuroscience

Jurgita Narusyte - Karolinska Institutet, Department of Clinical Neuroscience


STODS was started in 2008, aiming to investigate risk factors and consequences of sickness absence and disability pensions. Special focus is on musculoskeletal and mental diagnoses, which accounts for approximately 70% of all sickness absence. By combining twin methodology and sickness insurance research methods, a unique possibility is given to adjust for and examine genetic and environmental factors of importance for sickness absence and disability pension.

Several studies have been conducted, others are in progress. The project are collaborating with researchers in Helsinki and Olso where similar work on disability pension is carried out. A network including also Denmark and Norway was established during 2012 (NorTwinDiSA), focusing on sickness absence research using Nordic twin settings.


The overall objective of the STODS (Swedish Twin project of Disability pension and Sickness absence) is to investigate the importance of genetic and environmental/psychosocial factors for sickness absence and for disability pension in a nationwide, population-based twin sample.
Research principal, contributors, and funding

Research principal

Karolinska Institutet

Responsible department/unit

Department of Clinical Neuroscience

Protection and ethical review

Data contains personal data


Method and time period

Unit of analysis


Twins born in Sweden 1925-1990

Time period(s) investigated

2008 – ongoing

Geographic coverage

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Published: 2018-04-05