• 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 Individual Differences and Preferences Questionnaire

    Study:L-CID
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  T1 T4 T6

    Middle Childhood Cohort  T1 T3 T4 T5 T6
    0
    30 years
    The Individual Differences and Preferences Questionnaire is a self-developed questionnaire that consists of 12-32 items (differs per wave). It assesses individual differences between the twins according to their parents, in terms of daily interaction, preferences, relationship with the twins, and hobbies.
    Created March 28, 2023 • Updated March 28, 2023

  • measure School Situation

    Study:NTR
    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_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    Questions about the school situation including the type of school the children attend, whether twins attemd the same/different school/class, whether the child has ever skipped or repeated grades, and truancy.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Zygosity (DNA)

    Study:NTR
    Mode of collection:MeasurementsAndTests   Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQ14 YS_DHBQ16 YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3 YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_ATTEF1 YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YE_COG18 YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    Zygosity typing based on micro-satellite markers, single nucleotide polymorphisms (SNP), or variable number (short) tandem repeats (VNTRs).
    Created March 28, 2023 • Updated April 4, 2023
You can also access this registry using the API (see API Docs).