• measure DNA methylation (array)

    Study:Netherlands Twin Register
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YC_ACTION - BB3
     
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    Assessment of DNA methylation as obtained through DNA methylation arrays.
    Created October 17, 2024 • Updated October 20, 2024

  • measure GC-MS steroid hormones

    Study:Netherlands Twin Register
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YC_BS1 YC_BS2 YC_BS3
     
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    years
    Gas chromatography mass spectrometry (GC-MS) platform targeting steroid hormones.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Teacher Report Form (6-18)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_TRF5 YS_TRF7 YS_TRF10 YS_TRF12 YE_ATTEF1 YE_ATTEF2
     
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    The Teacher Report Form (6-18) is part of the Achenbach System of Empirically Based Assessment (ASEBA) taxonomy and is a validated instrument to assess psychiatric symptoms in both clinical and research settings. The ASEBA teacher report version for youths 6 to 18 years of age potentially includes the syndrome scales Anxious/Depressed,...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Physical Activity and Sports

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_3 YS_7 YS_10 YS_12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_FITNSS follow-up YE_ATTEF2 YC_ADHMRI YE_COG12 YS_TRIP age 4 YS_TRIP age 7 YS_TRIP age 10 YS_TRIP age 12
     
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    Physical Activity and Sports includes questions about physical exercise patterns of parents and their children, including whether and which sport is exercised, for how long at a time, how frequently, since how many months or years, and how good subjects are at sports. Children's sports touched upon include jogging, hockey, korfball, horseback riding,...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Zygosity (questionnaire)

    Study:Netherlands Twin Register
    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_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
     
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    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 October 17, 2024 • Updated October 20, 2024

  • measure Zygosity (DNA)

    Study:Netherlands Twin Register
    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_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3 YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_ATTEF1 YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YE_COG18 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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    Zygosity typing based on micro-satellite markers, single nucleotide polymorphisms (SNP), or variable number (short) tandem repeats (VNTRs).
    Created October 17, 2024 • Updated October 20, 2024

  • measure Blood sugar markers

    Study:Netherlands Twin Register
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3
     
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    years
    Blood sugar markers, for instance Glucose, Insulin, and C-peptide, measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).
    Created October 17, 2024 • Updated October 20, 2024

  • measure Delay of gratification task

    Study:Netherlands Twin Register
    Mode of collection: Observation
    Available measurements:
    Young Netherlands Twin Register  YC_BS1
     
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    The Delay of Gratification task aims to measure self-regulation by presenting the child with the choice between a small reward in the short-term and a larger reward in the long-term. The classic implementation of the Delay of Gratification task is the Marshmallow experiment, in which a child is presented with one marshmallow right now and is instructed...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Structural Magnetic Resonance Imaging (MRI)

    Study:Netherlands Twin Register
    Mode of collection: MeasurementsAndTests    MRI
    Available measurements:
    Young Netherlands Twin Register  YC_BS1 YC_BS2 YC_BS3 YC_ADHMRI
     
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    Structural magnetic resonance imaging (MRI) is a non-invasive technique for examining the anatomy and pathology of the brain (as opposed to using functional magnetic resonance imaging [fMRI] to examine brain activity).
    Created October 17, 2024 • Updated October 20, 2024

  • measure Strengths and Difficulties Questionnaire (SDQ)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_REF
     
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    years
    The Strengths and Difficulties Questionnaire (SDQ) is a brief questionnaire for assessing the psychosocial adjustment of children and adolescents. Versions are available for parents and teachers of 4- to 16-year-olds, and a nearly identical version can be completed independently by 11- to 16-years olds. The SDQ differs from related instruments in that it...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Pregnancies & miscarriages

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YE_COG18 YS_TRIP age 1 YS_TRIP age 1-2
     
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    Pregnancies and Miscarriages contains questions about getting pregnant, including the use of hormone preparations or assisted reproductive technologies, and miscarriages.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Edinburgh Handedness Inventory (EHI)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_5 YC_BS1 YC_BS2 YC_BS3 YE_COG18
     
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    The Edinburgh Handedness Inventory (EHI) is a measurement scale used to assess the dominance of a person's right or left hand in everyday activities, sometimes referred to as laterality.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Child satisfaction

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YC_ADHMRI 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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    Child satisfaction asks parents about what they are most satisfied with about their child.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Bullying Victimization

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_TRF7 YS_TRF10 YS_TRF12
     
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    Bullying and Victimization assesses whether the child has been a victim of bullying or has bullied others. The questionnaire consists of 8 items asking whether the child has been bullied in general, verbally (laughed or yelled at), physically (spitting, kicking, pushing), and relationally (ignored, gossipped about or excluded), or has bullied others in...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Wellbeing

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_2 YS_3 YS_5 YS_7 YS_TRF7 YS_10 YS_TRF10 YS_12 YS_TRF12 YC_ACTION BB2 YC_ACTION - BB3 YS_TRIP age 3 YS_TRIP age 5 YS_TRIP age 7
     
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    Wellbeing consists of one question asking "How would you describe the wellbeing of the child?". The question is raeted on a 5-point Likert scale.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Dipstick

    Study:Netherlands Twin Register
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3
     
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    Urinary dipstick (Siemens, Marburg, Germany) was applied to the first thaw of the urine samples either by dipping in the residual urine volume after aliquoting or by dropping urine on the dipstick to screen for signs of infections in the urine and to measure leukocytes, nitrite, proteins, glucose, and blood presence in the urine.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Parenting Style

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_7 YS_10 YS_12 YS_TRIP age 3 YS_TRIP age 5 YS_TRIP age 7
     
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    Parenting Style assesses parents' self-reported way of parenting. Questions include "I always know where and with whom my child is if he/she is not at home", "I know the interest of the child and what kind of hobbies he/she likes", "I know the daily activities of the child", "I take into account to the view of the child", "I know my child's daily schedule...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Inflammation markers

    Study:Netherlands Twin Register
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3
     
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    30
    years
    Inflammation markers, for instance C-reactive protein (CRP), Lymphocytes, Neopterin, Immunoglobulin E (IgE), Immunoglobulin G (IgG), and tissue Transglutaminase Immunoglobulin A (tTg-IgA), measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).
    Created October 17, 2024 • Updated October 20, 2024

  • measure Autism-Tics, ADHD, and other Comorbidities inventory (A-TAC)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_REF
     
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    years
    The Autism–Tics, ADHD and other Comorbidities inventory (A-TAC) is a broad-band screening instrument that encompasses autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD), tic disorders (TD), developmental coordination disorder (DCD), and learning disorder (LD). Furthermore, the A-TAC also covers possible overlapping childhood...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Surgery and anesthesia

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_2 YS_3 YS_5 YS_7 YS_10 YS_12 YC_BS1 YC_BS2 YE_ATTEF2 YS_TRIP age 2 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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    years
    Surgery and anesthesia assesses any experienced surgery, including the insertion of grommets and the removal of tonsils, and general anesthesia.
    Created October 17, 2024 • Updated October 20, 2024
You can also access this registry using the API (see API Docs).