BiTwin Cohort Study
BiTwin is a birth cohort study in Portugal involving 974 children (246 twin births and 479 single births) recruited from various hospitals in Portugal, including the Maternal and Child Health Centre of the North (CMIN), S. João Hospital, Vila Nova de Gaia/Espinho Hospital, and Pedro Hispano Hospital. Participants were recruited between 2017 and 2019 consisting of newborns, both twins and single births. Participants are followed up at recruitment and subsequently at 4, 8, and 12 months of age to assess various health outcomes through structured questionnaires, forms, and biological sample collection.
Study design
Cohort, Cohort - birth
Number of participants at first data collection
974 (participants)
Age at first data collection
Birth (participants)
Participant year of birth
2017 - 2019 (participants)
Participant sex
All
Representative sample at baseline?
No
Sample features
Country
Year of first data collection
2017 (participants)
Primary Institutions
University of Porto (Universidade do Porto)
Profile paper DOI
Not available
Funders
European Commission Seventh Framework Programme
Ongoing?
Yes
Data types collected
- Interview – face-to-face
- Interview – phone
- Physical or biological assessment (e.g. blood, saliva, gait, grip strength, anthropometry)
- Secondary data
- Self-report questionnaire – paper or computer assisted
- None
- None
- Healthcare data
- Medical birth registry
Engagement
Keywords
Consortia and dataset groups
