Efterårsmøde 2023

Programme 

Selection Bias

DES Fall meeting 2023

Date:  Monday September 11^th to Tuesday September 12^th 2023

Location: Day 1: Statens Institut for Folkesundhed, Copenhagen; Day 2: Kulturhuset, Islands Brygge, Copenhagen

DAY 1 – Intended for junior researchers

The 1st day of the DES fall meeting is intended for junior researchers such as students, research assistants, PhD students, postdocs, assistant professors and other researchers.

10:00-10:30  Check In

10:30-12:30  Teaching Session – Introduction to selection bias, Julie Werenberg Dreier and Oleguer Plana-Ripoll

Lecture: Introduction to selection in epidemiological research (30 min)

Workshop: Using quantitative bias analysis to address selection bias (1h30m)

12:30-13:30  Lunch

13:30-15:30  Discussion of own research

Each participant will submit an abstract of their own work, including a specification of 1-3 methodological questions/issues, which they would like to discuss. Time slots of 15-20 minutes will be allocated to each researcher (i.e., we will make groups of 6-8 students each) – the student should present their work, followed by feedback from peers and moderators + discussion of their questions

15:30-16:00 Break

16:00-17:00  Timothy Lash, Rollins Professor and Chair, Department of Epidemiology, Rollins School of Public Health, Emory University, USA

• Selection bias: how to avoid it, what to do when you can’t

17:00-18:30  Social activity - Petanque inclusive guide at Boulebar

19:00-21:00  Dinner at Boulebar restaurant

21:00-           Goodnight or bar for those who wish to continue the night

Note: The program includes the social activity and dinner. Please let us know if you are not participating.

DAY 2 – Open for all

10:00-10:40 Arrival, and small breakfast 

10:40-10:45 Introduction and welcome

10:45-12.15 Selection bias in epidemiological research

10:45-11:25 Timothy Lash, Rollins Professor and Chair, Department of Epidemiology, Rollins School of Public Health, Emory University, USA

• • Selection bias: past, present, and future directions

11:25-11:35 Short break (10 min)

11:35-12:15 Peter Linde, Cand. scient i matematisk statistik, tidligere metode- og surveychef i Danmarks Statistik.

• • What are we weighting for?

12:15-13:15  Lunch 

13:15-14:15 Addressing selection bias – examples

13:15-13:35  Nanna Weye, Postdoc, Department of Clinical Epidemiology, Aarhus University and Aarhus University Hospital.

• • Mental disorders and selection in the Danish National Health Survey

13:35-13:55  Heidi Amalie Rosendahl Jensen, PhD-student, National Institute of Public Health, University of Southern Denmark.

• • The impact of non-response weighting in health surveys for estimates on primary health care utilization

13:55-14:15  Gitte Lindved Petersen, Postdoc, Steno Diabetes Center Copenhagen

• • Unmasking self-selection bias in real-world data by means of register linkage: Is inverse probability weighting the key to the lock?

14:15-14:30  Extraordinary general assembly

Voting on change in the statutes of DES, to allow for free membership for honorary members of the society

14:30-15:00 Coffee break 

15:00-16:00 Methodological considerations of selection mechanisms in sibling designs

Thomas Frisell, Principal Researcher, Department of Medicine, Karolinska Institutet

• • Selection Bias in the Sibling Comparison Design

16:00-16:15 Short break

16:15-17:00 Schroll Prize 2023

17:00-           Light dinner and mingling