• measure Demographics

    Study:Netherlands Twin Register
    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_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3 YS_REF YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_ATTEF1 YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YS_DT YE_COG12 YE_COG18 YS_TRIP age 1 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
     
    0
    5
    10
    15
    20
    25
    30
    years
    Demographic information includes 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 births.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Demographic family characteristics

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T2 ECC - T3 ECC - T4 ECC - T5 ECC - T6 ECC - T6-Covid

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3 MCC - T4 MCC - T5 MCC - T5-Covid MCC - T6 MCC - T7
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Demographic Family Characteristics questionnaire consists of 14 items that assess family characteristics, such as age, gender, socio-economic status, etc.
    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
    5
    10
    15
    20
    25
    30
    years
    Gender as withdrawn from the participant registration system
    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
     
    0
    5
    10
    15
    20
    25
    30
    years
    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
You can also access this registry using the API (see API Docs).