Variable Description

Name
j421
Label
No. Twin/Trip/Siblings
Dataset
Valid Invalid Min Max Mean
9501 0 0 2 0.01

Representation

Type
Numeric
Variable is a Weight
False
Aggregation Method
Unspecified
Temporal
False
Geographic
False

Lineage

  • ALSPAC Mothers New Questionnaire Dataset - j421
    No. Twin/Trip/Siblings
    • ALSPAC Mothers New Questionnaire Dataset - j421a
      NO of Same Age Brothers CH Lives With
      • How many brothers and sisters does your 4 year old study child have that live with you or visit at least 1 day a week? (include half-brothers and half sisters, step-brothers and step-sisters, fostered or adopted children.)
    • ALSPAC Mothers New Questionnaire Dataset - j421b
      NO of Same Age Sisters CH Lives With
      • How many brothers and sisters does your 4 year old study child have that live with you or visit at least 1 day a week? (include half-brothers and half sisters, step-brothers and step-sisters, fostered or adopted children.)