• measure Handedness and hand preference

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_2 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS1 YC_BS2 YE_FITNSS YE_ATTEF1 YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YE_COG12 YE_COG18 YS_TRIP age 2 YS_TRIP age 1-2
     
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    5
    10
    15
    20
    25
    30
    years
    Self-reported handedness or hand preference of self or family members was assessed.
    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
     
    0
    5
    10
    15
    20
    25
    30
    years
    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 Anthropometry

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_2 YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YE_COG18 YS_TRIP age 1 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
     
    0
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    10
    15
    20
    25
    30
    years
    Anthropometric measurements include height, weight, body mass index (BMI), and body circumferences.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Pubertal Development

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3 YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YC_ADHMRI YE_COG18 YS_TRIP age 1-2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Pubertal Development was assessed through questions about breast growth, menstruation, shaving, deepening of the voice, and growth spurts.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Skinfold thickness, waist and hip circumference

    Study:Generation R
    Mode of collection: MeasurementsAndTests    Anthropometrics/Body measures
    Available measurements:
    Generation R  6 weeks 6 months 1 year 2 years 3 years 4 years
     
    0
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    10
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    25
    30
    years
    Skinfold thickness, waist and hip circumference were assessed as an indication of body fat. Skinfold thickness can noninvasively and reliably be measured at various sites of the body using a skinfold caliper. Based on measurements at multiple sites of the body, the total body fat and contribution of fat to the body mass can be estimated.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Height and weight

    Study:Generation R
    Mode of collection: MeasurementsAndTests    Anthropometrics/Body measures
    Available measurements:
    Generation R  Early pregnancy Mid pregnancy Late pregnancy 6 weeks 2 months 3 months 4 months 6 months 1 year 1.5 years 2 years 2.5 years 3 years 4 years 5-6 years 9-10 years 13-14 years 17-18 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Height and weight were measured without shoes and heavy clothing.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Blood pressure

    Study:Generation R
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Generation R  Early pregnancy Mid pregnancy Late pregnancy 6 weeks 6 months 1 year 2 years 3 years 4 years 5-6 years 9-10 years 13-14 years 17-18 years
     
    0
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    25
    30
    years
    Blood pressure is the force of blood pushing against the walls of arteries as the heart pumps blood around the body. Systolic pressure is the pressure when the heart contracts and pushes blood out and diastolic pressure is the pressure when the heart relaxes and fills with blood. In adults, the systolic pressure normally ranges between 80 and 120 and the...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Head circumference

    Study:Generation R
    Mode of collection: MeasurementsAndTests    Anthropometrics/Body measures
    Available measurements:
    Generation R  2 months 3 months 4 months 6 months 1 year 1.5 years 2 years 2.5 years 3 years 4 years
     
    0
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    10
    15
    20
    25
    30
    years
    Head circumference measurements were taken during routine screenings.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Infant growth

    Study:TRAILS
    Mode of collection: Other    Anthropometrics/Body measures
    Available measurements:
    The Next Generation  NEXT - T2 NEXT - T3 NEXT - T4
     
    0
    5
    10
    15
    20
    25
    30
    years
    Infant growth was measured as the child's length, weight, and head circumference as stated in the child's growth booklet.
    Created October 17, 2024 • Updated October 20, 2024

  • measure E-diary - Saliva sample

    Study:L-CID
    Mode of collection: SelfAdministeredWritingsAndDiaries
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T3 ECC - T5

    Middle Childhood Cohort  MCC - T1 MCC - T3 MCC - T5
     
    0
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    10
    15
    20
    25
    30
    years
    The E-diary Daily Structure and Activities of the Children - Saliva assesses information about the saliva sample collection through self-reporting in the Upinion smartphone app, for example whether children ate or drank, brushed their teeth or experienced stress within 30 minutes before saliva collection.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Genotyping (array)

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Early Childhood Cohort  ECC - T2 ECC - T3

    Middle Childhood Cohort  MCC - T1 MCC - T3
     
    0
    5
    10
    15
    20
    25
    30
    years
    Assessment of single nucleotide polymorphisms (SNPs) as obtained through genotyping arrays.
    Created October 17, 2024 • Updated October 20, 2024

  • measure EEG - Resting state

    Study:L-CID
    Mode of collection: MeasurementsAndTests    EEG
    Available measurements:
    Early Childhood Cohort  ECC - T2 ECC - T3
     
    0
    5
    10
    15
    20
    25
    30
    years
    The EEG - resting state aims to measure brain activity during rest.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Hair samples - Cortisol

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Early Childhood Cohort  ECC - T2 ECC - T3 ECC - T4 ECC - T6

    Middle Childhood Cohort  MCC - T2 MCC - T3 MCC - T4
     
    0
    5
    10
    15
    20
    25
    30
    years
    A hair sample is a collection of hair strands, which are usually cut from a person's head. Hair samples usually contain hair that has grown over the last 12 months.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Buccal swab

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Early Childhood Cohort  ECC - T2 ECC - T3

    Middle Childhood Cohort  MCC - T1 MCC - T3
     
    0
    5
    10
    15
    20
    25
    30
    years
    Buccal swabs are collections of buccal cell scrapings obtained by rubbing buds along the inside of the mouth.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Hair samples - Questionnaire

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

    Middle Childhood Cohort  MCC - T2 MCC - T3 MCC - T4
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Hair samples - Questionnaire consists of three questions that assess hair characteristics when the hair samples are collected, e.g., the last time the hair was washed, hair color, etc.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Anthropometrics - Headcircumference, height, weight

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Anthropometrics/Body measures
    Available measurements:
    Early Childhood Cohort  ECC - T2 ECC - T3 ECC - T4 ECC - T5 ECC - T6

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3 MCC - T4 MCC - T5 MCC - T6 MCC - T7
     
    0
    5
    10
    15
    20
    25
    30
    years
    Anthropometrics measured included the circumference of the child's head, the child's height, and the child's weight.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Hair samples - Dehydroepiandrosterone (DHEA)

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Early Childhood Cohort  ECC - T2 ECC - T3 ECC - T4 ECC - T6

    Middle Childhood Cohort  MCC - T2 MCC - T3 MCC - T4
     
    0
    5
    10
    15
    20
    25
    30
    years
    A hair sample is a collection of hair strands, which are usually cut from a person's head. Hair samples usually contain hair that has grown over the last 12 months.
    Created October 17, 2024 • Updated October 20, 2024

  • measure E-diary - Tympanic Membrane Temperature

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T2 ECC - T3 ECC - T5

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3
     
    0
    5
    10
    15
    20
    25
    30
    years
    The E-diary Daily Structure and Activities of the Children - Ear Temperature assesses the children's ear temperature through self-reporting in the Upinion smartphone app.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Zygosity (DNA)

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Early Childhood Cohort  ECC - T2

    Middle Childhood Cohort  MCC - T1
     
    0
    5
    10
    15
    20
    25
    30
    years
    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 Sleep patterns - Actigraph

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T2 ECC - T3 ECC - T5 ECC - T6

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3 MCC - T5
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Actigraph (Motionlogger) is a device used to determine the sleep patterns of a child during the night.
    Created October 17, 2024 • Updated October 20, 2024
You can also access this registry using the API (see API Docs).