Individual Study / TOSS

Twin Offspring Study in Sweden

Twin Offspring Study in Sweden

Initiatives -
To examine if patterns of genetic and environmental influences on associations between family relationships and women's adjustment also hold for men.
Funding
National Institutes of Health
Supplementary Information
IGEMS (17) (Interplay of Genes and Environment across Multiple Studies)
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Members

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Investigators Contacts
  • Dr. Professor Paul Lichtenstein
    Karolinska Institutet

Design

Study design
Population cohort
Follow Up
3 waves.

Marker Paper

Clausson B, Lichtenstein P, Cnattingius S. Genetic influence on birthweight and gestational length determined by studies in offspring of twins. BJOG. 2000;107(3):375-381. doi:10.1111/j.1471-0528.2000.tb13234.x

PUBMED 10740335

Recruitment

Sources of Recruitment
  • Individuals
  • Families

Number of participants

Number of participants
3,000
Number of participants with biosamples
Supplementary Information
This project extends the Twin Moms Project and includes a sample of twin fathers and their families (N=320 twin pairs and their families) and to collect an addition 250 pairs of twin mothers for a sample of 900 twin parents and their families (total N about 3,000 individuals). Born in Sweden before 1959, who both delivered single births from 1973–1993.

Access

Availability of data and biosamples

Data
Biosamples
Other

Availability of access information

By contacting the study representative