German Twin Family Panel - Cohort 4 (TwinLife)
TwinLife is a German longitudinal study of monozygotic and dizygotic same-sex twin pairs and their families that was designed to investigate the development of social inequalities over the life course. The study covers an observation period from approximately 2014 to 2023. Cohort 4 consists of twins born between 1990 and 1993, assessed when they were 17 years old. The study collected data from the first home interview from 983 participants.
Study design
Cohort - birth, Cohort - twin
Number of participants at first data collection
983 (participants)
Age at first data collection
23 - 24 years (participants)
Participant year of birth
1990 - 1993 (participants)
Participant sex
All
Representative sample at baseline?
Families with 23-24 year old twins in 2014 in Germany.
Sample features
Country
Year of first data collection
2014
Primary Institutions
Bielefeld University (Universität Bielefeld)
Saarland University
Links
Profile paper DOI
Funders
German Research Foundation (Deutsche Forschungsgemeinschaft, DFG)
Ongoing?
Yes
Data types collected
- Computer, paper or task testing (e.g. cognitive testing, theory of mind doll task, attention computer tasks)
- Interview – face-to-face
- Interview – phone
- Secondary data
- Self-report questionnaire – online
- None
- None
- Census data
- Education data
- Healthcare data
- Medical birth registry
Engagement
Keywords
Consortia and dataset groups
