Marie Stjerne Grønkjær

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Primary fields of research

My primary fields of research concern alcohol, smoking, mental health, mental disorders (including alcohol use disorders), cognitive development, intelligence and cognitive aging. Methodologically, I have primarily carried out quantitative epidemiological research, taking advantage of the unique opportunity in Denmark to link surveys with the national health registries.

Current research

In relation to my PhD project, we developed and completed a large follow-up study called LiKO-15 (Lifestyle and Cognition Follow-up 2015), collecting data on 2600 men aged 55-67 years. We have cognitive test scores from draft board examinations on these men and at follow-up they completed the same cognitive test and a comprehensive questionnaire. LiKO-15 data have been used to examine the influence of education, alcohol consumption and alcohol use disorders on age-related cognitive changes. 

In my employment as a postdoc, I continue to work on papers that use the unique data that we have collected in LiKO-15. In addition, I am part of a new data collection project, DiaKO-19 (Diabetes and Cognition Follow-up 2019), where we—in a similar setup—test late middle-aged men using the same cognitive test as they completed at the draft board examination in young adulthood. The main purpose of DiaKO-19 is to investigate the influence of diabetes and depression on age-related cognitive changes.