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Cohort details

Identification
Cohort name: ABCD
Country: Netherlands
Principal investigator: Manon van Eijsden (MvEijsden@ggd.amsterdam.nl); Reinoud Gemke
Contact for environmental exposures: Manon van Eijsden (mveijsden@ggd.amsterdam.nl)
Cohort website: http://www.abcd-study.nl
Basic information
Source population: Region-based
Describe selection:
Geographical coverage: At enrolment: Amsterdam; at follow-up: the Netherlands
Calendar period: 2003-2004
Enrolment Status: Completed
Developmental period of enrolment:
  • Pre-pregnancy
  • Pregnancy Pregnancy weeks: 12-14w
  • Birth
  • Postnatal
Expected number of participants at enrolment when enrolment completed:
  • Mothers: 8266
  • Fathers: -----
  • Children: 7863
Expected duration of follow-up: until adulthood (20+ years)
Enrolment criteria: - Inclusion: resident in Amsterdam
- Inclusion: under supervision of an obstetric careprovider
- Inclusion in follow-up beyond 3 months: singleton births only
Type of data collection
  Pregnancy Birth Post Natal
  First
trimester
Second
trimester
Third
trimester
  0-6
months
7-18
months
18-60
months
5-10
years
10+
years
Child
Questionnaire Exposures - - - - 5131 - - - -
Questionnaire Outcomes - - - 7863 6575 6575 6575 p -
Cord Blood       -          
Blood - - - - - - - p -
Urine - - - - - - - - -
Hair - - - - - - - - -
Nails - - - - - - - - -
Saliva - - - - - - - - -
Breast Milk       - - - -    
Mother
Questionnaire Exposures 8266 8266 8266 - 5131 - - o -
Questionnaire Outcomes 8266 8266 8266 7863 5131 - - - -
Cord Blood       -          
Blood 4389 - - - - - - - -
Urine - - - - - - - - -
Hair - - - - - - - - -
Nails - - - - - - - - -
Saliva - - - - - - - - -
Breast Milk       - - - -    
Other information
Have genetic analysis been performed: planned Year planned:
Details:
Genes:
Addresses available:
  • Home: Residential history
  • Mother work: No
  • Child school: Yes
Were these addresses geocoded:
Time activity patterns:
  • Child
    • Questionnaire: No
    • Diary: No
  • Mother
    • Questionnaire: No
    • Diary: No
Sociodemographic variables:
  • Mother's social class: No
  • Father's social class: No
  • Mother's education: Yes
  • Father's education: No
  • Mother's ethnic origin: Yes
  • Father's ethnic origin: Yes
  • Maternal age: Yes
  • Paternal age: Yes
  • Social class coding system:
  • Household income: Yes
  • Parity: Yes
  • Birth order: Yes
  • Child sex: Yes
Breastfeeding:
  • Weeks of breastfeeding: Yes
  • Weeks of exclusive breastfeeding: Yes
Diet and physical exercise:
  • Dietary assessments: Yes
    • FFQ: Yes
    • 24h recall: No
    • Other dietary assessment: Yes serum/plasma samples
    • Child: Yes Timing: child (FFQ), age 5y
    • Mother: Yes Timing: mother(serum/plasma); 13th week pregnancy
  • Assessment of physical exercise: No
    • Questionnaire: Yes
    • Measurement: No
    • Child: Yes Timing:5y
    • Mother: Yes Timing:16th week pregnancy
Medical history:
  • Family history: Yes
  • Pre-Pregnancy medical history: Yes
  • Pregnancy complications:
    • Blood preasure measurements: No
    • Maternal hypertension: No
    • Preeclampsia: No
  • Maternal allergic history: Yes
  • Maternal pregnancy weight, height: Yes
  • Paternal allergic history: Yes
  • Paternal weight, height: Yes
  • Maternal pre-pregnancy weight, height: Yes
Exposures and Outcomes
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