Tuesday, June 8, 2021

Over the course of the pandemic, we observed that the genetic predisposition to life satisfaction had an increasing influence on perceived quality of life

Warmerdam, Robert, Henry H. Wiersma, Pauline Lanting, Marjolein X. Dijkema, Judith M. Vonk, Marike H. Boezen, Patrick Deelen, et al. 2021. “Increased Genetic Contribution to Wellbeing During the COVID-19 Pandemic.” PsyArXiv. June 7. doi:10.31234/osf.io/uksxt

Abstract: Physical and mental health are determined by an interplay between nature, i.e. genetics, and nurture, which encompasses experiences and exposures that can be short or long-lasting. Depressive episodes, for example, are partly the result of an interaction between stressful life-events and a genetic predisposition to depression The COVID-19 pandemic represents a unique situation in which whole communities were suddenly and simultaneously exposed to both the virus and the societal changes required to combat the virus. We studied 27,537 population-based biobank participants for whom we have genetic data and extensive longitudinal data collected via 19 questionnaires over 10 months, starting in March 2020. This allowed us to explore the interaction between genetics and the impact of the COVID-19 pandemic on individuals’ wellbeing over time. We observe that genetics affected many aspects of well-being, but also that its impact on several phenotypes changed over time. Over the course of the pandemic, we observed that the genetic predisposition to life satisfaction had an increasing influence on perceived quality of life. These results suggest that people’s genetic constitution manifested more prominently over time, potentially due to social isolation driven by strict COVID-19 containment measures. Overall, our findings demonstrate that the contribution of genetic variation to complex phenotypes is dynamic rather than static.


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