• measure Zygosity (questionnaire)

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQ14 YS_DHBQ16 YC_DSC YC_ADHMRI YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    The Zygosity questionnaire asks parents of twin pairs about the resemblance between the twins to determine whether the twin pair is mono- or dizygotic. This questionnaire consists of 10 questions: 6 items about physical similarities between the twin and 4 items about confusion in identifying the twins by parents and others.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Demographics

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_2 YS_3 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_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3 YS_VAL YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_ATTEF1 YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YS_DT YE_COG10 YE_COG12 YE_COG18 YS_TRIP1 YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    Demographic information, including age and year of birth, biological sex and gender, country and place of birth, current zipcode, nationality, religion, educational attainment, spoken laguages, and information on multiple birth.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Family Situation

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_2 YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YE_COG18 YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    Information about family/living situation (e.g., divorce or death of parent(s), co-habitiona and co-parenting)
    Created March 28, 2023 • Updated April 4, 2023

  • measure Family Composition

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_2 YS_5 YS_7 YS_10 YS_12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YE_COG18 YS_TRIP1 YS_TRIP2 YS_TRIP1_2
    0
    30 years
    Information on family composition, incl. multiples in (extended family) twins in extended family, number of siblings and number of children
    Created March 28, 2023 • Updated April 4, 2023

  • measure Language Situation

    Study:YOUth
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Baby and Child  5 months 10 months
    0
    30 years
    Questions about which languages are spoken in the child's environment by their parents, siblings, and visitors at home, and at which ratio those languages are spoken.
    Created March 28, 2023 • Updated March 30, 2023

  • 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
    0
    30 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 March 28, 2023 • Updated March 30, 2023

  • 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
    30 years
    Questionnaire about household, background, language, education, family relations, economic situation, and religion (or updates in wave Around 0 for the Baby and Child cohort, or in wave Around 12 for the Child and Adolescent cohort)
    Created March 28, 2023 • Updated March 30, 2023

  • measure Work demographics

    Study:YOUth
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Baby and Child  30 weeks 10 months 3 years 6 years
    0
    30 years
    Questionnaire about the parent's (type of) job and time spent on work, and about exposure to certain substances through work prior to pregnancy (e.g., paint, pesticides, plastic fumes).
    Created March 28, 2023 • Updated March 30, 2023

  • 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
    30 years
    Gender as withdrawn from the participant registration system
    Created March 28, 2023 • Updated March 30, 2023
You can also access this registry using the API (see API Docs).