• measure School Situation

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_5 YS_TRF5 YS_7 YS_TRF7 YS_10 YS_TRF10 YS_12 YS_TRF12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS1 YC_BS2 YC_DSC YE_FITNSS YE_ATTEF2 YC_ADHMRI YS_DT YE_COG12 YE_COG18 YS_TRIP age 3 YS_TRIP age 4 YS_TRIP age 5 YS_TRIP age 7 YS_TRIP age 10 YS_TRIP age 12
     
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    30
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    School situations contains questions about children's schoolgoing situation, including the type of school the children attend, whether twins attend the same or different school or class, whether the child has ever skipped or repeated grades, and truancy.
    Created October 17, 2024 Updated October 20, 2024
  • measure Work demographics

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_3 YS_TRF5 YS_7 YS_TRF7 YS_10 YS_TRF10 YS_12 YS_TRF12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YE_FITNSS YE_ATTEF2 YS_DT YE_COG12 YS_TRIP age 1-2 YS_TRIP age 3 YS_TRIP age 4 YS_TRIP age 5 YS_TRIP age 7 YS_TRIP age 10 YS_TRIP age 12
     
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    30
    years
    Work demographics consists of questions about working, hours of working, maternity/paternity leave, and type of profession.
    Created October 17, 2024 Updated October 20, 2024
  • measure Demographics

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  Early pregnancy Mid pregnancy Late pregnancy 3 years 4 years 5-6 years 8 years 17-18 years Covid questionnaires
     
    0
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    30
    years
    The demographics questionnaire assesses many kinds of demographic characteristics of the child and its parents and grandparents. It includes items about the parents' birthdate, age, country of origin, language spoken at home, religion, household composition and marital status/single parenthood, living situation, and highest education.
    Created October 17, 2024 Updated October 20, 2024
  • measure Work and education

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  Mid pregnancy Late pregnancy 6 months 3 years 5-6 years
     
    0
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    years
    Work and education includes items that assess highest education obtained, employment and working conditions, and occupations.
    Created October 17, 2024 Updated October 20, 2024
  • measure Socio-demographics

    Study:TRAILS
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Population cohort  POP - T1 POP - T2 POP - T3 POP - T4 POP - T5 POP - T6 POP - T7

    Clinical cohort  CC - T1 CC - T2 CC - T3 CC - T4 CC - T5 CC - T6 CC - T7

    The Next Generation  NEXT - T2 NEXT - T3 NEXT - T4 NEXT - T5
     
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    30
    years
    Socio-demographics assesses participants' sex, age, ethnicity, religiosity, living conditions, family composition, and education.
    Created October 17, 2024 Updated October 20, 2024
  • measure Ethnicity questionnaire

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T3

    Middle Childhood Cohort  MCC - T1
     
    0
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    30
    years
    The Ethnicity questionnaire consists of 12 items with subitems that assess the ethnicity of participants.
    Created October 17, 2024 Updated October 20, 2024
  • measure Work demographics

    Study:YOUth
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Baby and Child  30 weeks 10 months 3 years 6 years
     
    0
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    30
    years
    Work demographics assesses parents' (type of) job, daily job characteristics, time spent on work, and exposure to certain substances through work prior to pregnancy (e.g., paint, pesticides, plastic fumes).
    Created October 17, 2024 Updated October 20, 2024
  • measure Gender

    Study:YOUth
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Baby and Child  20 weeks 30 weeks 0 months 5 months 10 months 3 years 6 years

    Child and Adolescent  9 years 12 years
     
    0
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    30
    years
    Gender as withdrawn from the participant registration system
    Created October 17, 2024 Updated October 20, 2024
  • measure Age

    Study:YOUth
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Baby and Child  20 weeks 30 weeks 0 months 5 months 10 months 3 years 6 years

    Child and Adolescent  9 years 12 years
     
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    years
    Age as withdrawn from the participant registration system. Age was calculated as the difference in the experiment date and the date of birth. For the mother and partner, age was rounded to whole years, for children from the Baby & Child cohort, age was rounded to weeks, and the age of children in the Child & Adolescent cohort was rounded to months.
    Created October 17, 2024 Updated October 20, 2024
  • measure Gender Identity (GI) questions

    Study:YOUth
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Baby and Child  5 months 10 months 3 years 6 years

    Child and Adolescent  9 years 12 years
     
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    Two questions about the gender identity of the child were asked as part of existing questionnaires: "How boyish or girlish do you think your child is compared to other children of the same sex?" and "How boyish or girlish do you hope your child will be when he/she is 18 years old?". In the Child and Adolescent cohort, these questions were first part of...
    Created October 17, 2024 Updated October 20, 2024
  • measure Gender Identity (GI) questionnaire

    Study:YOUth
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Baby and Child  6 years
     
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    years
    The Gender-identity questionnaire is a parent-reported questionnaire about the gender identity of the child, in which parents are asked to indicate to what extent their child resembles other boys and girls.
    Created October 17, 2024 Updated October 20, 2024
  • measure Demographics

    Study:YOUth
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Baby and Child  20 weeks 5 months 10 months 3 years 6 years

    Child and Adolescent  9 years 12 years
     
    0
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    30
    years
    The Demographics questionnaire assesses household conditions, background, language, education, family relations, economic situation, and religion, or updates thereof in later waves (Around 0 for the Baby and Child cohort, wave Around 12 for the Child and Adolescent cohort).
    Created October 17, 2024 Updated October 20, 2024
You can also access this registry using the API (see API Docs).