Date of filling in this questionnaire or last update: 15/09/2020
1. IDENTIFICATION & BASIC DESCRIPTION
Cohort name
  Gemini: Health and development in twins
Country
 

  • United Kingdom

Name
  Clare Llewellyn
Institution
  University College London
Email
  c.llewellyn@ucl.ac.uk
Personal website
  https://www.geministudy.co.uk/
Name of committee
  UCL Ethics Committee
Participation in pooled analyses
 

  • The cohort is potentially interested in participating in pooled analyses of (European) occupational cohort studies (note pooled analyses also includes remote decentralized analyses that would not require any transfer of primary data as well as meta-analyses).

Study design (please select as many as appropriate)
 

  • Prospective cohort

Source population (please select as many as appropriate)
 

  • General population: National

Enrollment
  Completed
Age range at entry (main cohort)
 

Minimum Maximum Mean
4-20 months

Children (<18 years) at enrollment
  4,808
2. OUTCOME FOLLOW-UP
Type of data for outcome follow-up (please select as many as appropriate)
 

  • Active (contact with participants)

3. OCCUPATIONAL EXPOSURES
Source of exposure data collected (please select as many as appropriate)
 

  • Questionnaire, Personal (Self-reporting or interview)

Occupational history/time frame
  Follow-up period
Occupational coding performed
  No
Types of exposure measurements
 

  • Biomarkers (see also section 5)

Methods for exposure assessment (please select as many as appropriate)
 

  • Self-report

4. OUTCOMES EVALUATED
Baseline - type of outcome data collected (select more than one if applicable)
 

  • Questionnaire, individual (self-recording or interview)

Follow-up - type of outcome data collected (select more than one if applicable)
 

  • Questionnaire, individual (self-recording or interview)

Outcome type (please select as many as appropriate)
 

  • Morbidity

Diagnostic groups based on ICD10
 

  • E Malnutrition and obesity
  • F Mental disorders

E Malnutrition and obesity
 

  • Other, please state

E Malnutrition and obesity | Other (specify)
  BMI
F Mental disorders
 

  • Depression
  • Eating disorders
  • Disorders of psychological development including autism and Aspergers syndrome

Other health related outcomes
 

  • Lifestyle change
  • Sleep

5. BIOLOGICAL SAMPLES & ANALYSIS
Biological processing
 

  • DNA

Genetic and other lab analyses
 

  • Genomics / GWAS

6. Other Information
 

  • Alcohol
  • Anthropometry
  • Demographics
  • Diet
  • Education
  • Physical exercise
  • Socioeconomic status
  • Smoking