• measure Iowa-Netherlands Comparison Orientation Measure (INCOM)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YE_ATTEF3
     
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    The Iowa-Netherlands Comparison Orientation Measure (INCOM) is an 11-item measure of individual differences in social comparison orientation. It identifies people who are high and low in their tendencies to use social comparisons, but does not identify the motives that respondents have for making social comparisons.
    Created October 17, 2024 • Updated October 20, 2024

  • measure COSMED

    Study:Netherlands Twin Register
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YE_FITNSS
     
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    COSMED consists of recorded breath-by-breath oxygen uptake (VO2) and carbon dioxide production (VCO2) during exercise measured with a telemetric gas exchange system (Cosmed K4b2, Cosmed Benelux, Nieuwegein, The Netherlands).
    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 Rosenberg Self-Esteem Scale (RSE)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2
     
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    The Rosenberg Self-Esteem Scale (RSE) is a 10-item scale that measures global self-worth in adolescents by measuring both positive (5 items) and negative (5 items) feelings about the self. Although originally constructed as a Guttman-type scale (i.e., items with an ordinal pattern on the attribute), most researchers use a 4-point response format ranging...
    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 Handicap index

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YE_ATTEF3
     
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    In the Handicap index, participants rated statements about how handicapped they had felt during the task performance.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Revised Life Orientation Test (LOT-R)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQ14 YS_DHBQ16
     
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    The Revised Life Orientation Test (LOT-R) is a standard psychological instrument that assesses one’s self-reported dispositional level of optimism. In the questionnaire, participants are asked to indicate to what extent they expect positive vs. negative outcomes to happen, e.g., "I usually expect the best", "I hardly expect things to go my way".
    Created October 17, 2024 • Updated October 20, 2024

  • measure Heart rate

    Study:Netherlands Twin Register
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YC_BS3 YE_FITNSS YE_ATTEF3 YE_COG18
     
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    Heart rate is the number of times a heart beats per minute and normally ranges between 60 and 100 times for adults. Heart rate variability is the time fluctuation between heart beats.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Family Assessment Device (FAD)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2
     
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    The McMaster's Family Assessment Device (FAD) evaluates families according to the McMaster Model of Family Functioning. The FAD is made up of seven scales which measure Problem Solving, Communication, Roles, Affective Responsiveness, Affective Involvement, Behavior Control and General Functioning.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Explosive leg strength

    Study:Netherlands Twin Register
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YE_FITNSS
     
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    Explosive leg strength was measured with a vertical jump test
    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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    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

  • measure Apgar score

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_TRIP age 1-2
     
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    The Apgar score is a test given to newborns soon after birth to see if extra medical care or emergency care is needed. The Apgar score comprises five components: 1) color, 2) heart rate, 3) reflexes, 4) muscle tone, and 5) respiration, each of which is given a score of 0, 1, or 2. Babies get tested three times: 1 minute after birth, 5 minutes after birth,...
    Created October 17, 2024 • Updated October 20, 2024

  • measure UCLA Loneliness Scale

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQ14 YS_DHBQ16
     
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    The UCLA Loneliness Scale is a 20-item scale designed to measure one’s subjective feelings of loneliness as well as feelings of social isolation.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Reading Span Task (RST)

    Study:Netherlands Twin Register
    Mode of collection: MeasurementsAndTests    Behavioral/cognitive task
    Available measurements:
    Young Netherlands Twin Register  YE_ATTEF3
     
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    The reading span task (RST) assesses memory span. The original RST required participants to read series of unconnected sentences aloud and to remember the final word of each sentence of a series (grouped according to the total number of sentences). With each sentence presented on a card, participants were cued to recall the memorized end-of-sentence words...
    Created October 17, 2024 • Updated October 20, 2024

  • measure State-Trait Anxiety Inventory (STAI)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YE_ATTEF3
     
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    years
    The State-Trait Anxiety Inventory (STAI) assesses anxiety. It distinguishes between a general proneness to anxious behavior rooted in the personality and anxiety as a fleeting emotional state.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Charity

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQ14 YS_DHBQ16
     
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    Charity comprises of a question about donating to charity: "Did you gave money to charity last year?"
    Created October 17, 2024 • Updated October 20, 2024

  • measure Friendship

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_DSC 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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    years
    Friendship consisted of questions about friends, friendships, and sibling interactions.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Borg’s Rating of Perceived Exertion (RPE)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YE_FITNSS
     
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    The Borg’s Rating of Perceived Exertion (RPE) measures the subjective perception of exercise intensity. The RPE comprises a 15-point scale ranging from 6 to 20, with marks at 7 (“very, very light”), 9 (“very light”), 11 (“fairly light”), 13 (“somewhat hard”), 15 (“hard”), 17 (“very hard”) and 19 (“very, very hard”).
    Created October 17, 2024 • Updated October 20, 2024
You can also access this registry using the API (see API Docs).