• measure Pregnancy Duration and Birth

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YC_DSC YC_ADHMRI YE_COG18 YS_TRIP age 1 YS_TRIP age 1-2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Pregnancy Duration and Birth assesses the duration of the pregnancy from conception to birth, and the labor process, e.g., were the children born on time, prematurely or late; time between birth of the children; manner of birth (e.g., vaginal, cesarean), position of the children in the uterus before birth; and the course of the delivery.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Supplement use

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YC_ACTION BB2 YC_ACTION - BB3 YE_COG18 YS_TRIP age 1 YS_TRIP age 1-2
     
    0
    5
    10
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    20
    25
    30
    years
    Nutritional supplement use was assessed in mothers during pregnancy, and vitamin supplementation use was assessed for children, including formation regarding type, frequency, and duration of vitamin supplementation.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Shared environment

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_5 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_DSC YE_ATTEF2 YC_ADHMRI YE_COG12
     
    0
    5
    10
    15
    20
    25
    30
    years
    Shared environment contains questions about bedroom sharing of the twins/triplets, and about wearing the same clothing as the co-twin/triplet.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Contraception Use

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_BS3 YE_FITNSS YE_COG18 YS_TRIP age 1 YS_TRIP age 1-2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Contraception use assesses the use of hormonal preparations, such as the contraceptive pill. Questions typically include whether the respondent has used or uses contraceptives prior to pregnancy or at this moment, and in some cases, for how long they have used it, and which type of contraceptive.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Child care

    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 YC_BS2 YS_TRIP age 1-2 YS_TRIP age 3 YS_TRIP age 5
     
    0
    5
    10
    15
    20
    25
    30
    years
    Childcare comprises of questions about pre-school, after-school and out-of school care.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Diet during pregnancy

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_TRIP age 1-2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Diet during pregnancy asks mothers whether they have eaten eggs, dairy products, soy products, fish, and meat during their pregnancy, and whether they followed a vegetarian diet during pregnancy.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Health problems and treatments

    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 BB2 YC_ACTION - BB3 YC_BS1 YC_BS2 YC_DSC YE_FITNSS YE_ATTEF2 YC_ADHMRI YE_COG12 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
    5
    10
    15
    20
    25
    30
    years
    Health problems and treatments contains questions about health problems, diseases and disorders, including handicaps, treatments (also for mental health problems) and hospitalization.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Breastfeeding

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_2 YS_TRIP age 2 YS_TRIP age 1-2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Breastfeeding was assessed through the question: Did the twin get breastfeeding?
    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
     
    0
    5
    10
    15
    20
    25
    30
    years
    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 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
     
    0
    5
    10
    15
    20
    25
    30
    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

  • measure Major events

    Study:Netherlands Twin Register
    Mode of collection: Interview
    Available measurements:
    Young Netherlands Twin Register  YC_DSC YC_ADHMRI
     
    0
    5
    10
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    20
    25
    30
    years
    Major events assesses any major events that occurred causing participant to judge their behavior differently than they would a month ago.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Birth

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YC_DSC YE_ATTEF2 YC_ADHMRI YE_COG18 YS_TRIP age 1 YS_TRIP age 1-2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Birth assesses information on pregnancy duration, placenta and chorionicity, mode of delivery, complications around the delivery, and incubator time.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Stressful life events during pregnancy

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_TRIP age 1-2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Stressful life events or stressful periods during pregnancy were reported by participants.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Stressful Life Events Questionnaire

    Study:Generation R
    Mode of collection: Interview
    Available measurements:
    Generation R  9-10 years 17-18 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    A life events interview was conducted to gain information on potential stressful life events in the life of the child. Primary caregivers were asked about 26 potential stressful life events, and they were asked to indicate whether or not they ever happened to their child and how stressful this was. Notably, the life events interview also targeted direct...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Medical history - Child

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2 months 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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    10
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    20
    25
    30
    years
    Medical history of the child assesses the general health and medical history of the child. It includes items regarding, distress, respiratory problems (e.g., coughing, sneezing, tightness of chest), pain and perception of pain, abdominal problems (e.g., stomach aches, bowel movements, constipation), teeth problems (e.g., tooth ache, difficulty eating,...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Bone fractures

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  9-10 years 13-14 years 17-18 years
     
    0
    5
    10
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    20
    25
    30
    years
    Bone fractures assesses whether the child and the mother have had broken bones, at what ages, what bone was broken and whether it happened in trauma.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Life events interview

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  9-10 years 17-18 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    A life events interview was conducted to gain information on potential stressful life events in the life of the child. Primary caregivers were asked about 26 potential stressful life events, and they were asked to indicate whether or not they ever happened to their child and how stressful this was. Notably, the life events interview also targeted direct...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Air pollution

    Study:Generation R
    Mode of collection: Observation
    Available measurements:
    Generation R  Early pregnancy Mid pregnancy Late pregnancy Birth 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 7 years 8 years 9-10 years 11 years 12 years 13-14 years 17-18 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    For all participants, exposure to air pollutants at each geocoded address was assessed using continuous monitoring data and Geographic Information Systems (GIS)-based modelling techniques, considering the spatial and temporal variation in air pollution.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Discrimination

    Study:TRAILS
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Population cohort  POP - T2

    Clinical cohort  CC - T2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Discrimination assesses self-reported feelings of discrimination regarding race, sex, and physical appearance.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Perceived stress

    Study:TRAILS
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Population cohort  POP - T2 POP - T3

    Clinical cohort  CC - T2 CC - T3
     
    0
    5
    10
    15
    20
    25
    30
    years
    Perceived stress is a self-developed assessment of the amount of stress that a child experienced at the ages of 0-5, 6-11, 11-13, and 13-16 years.
    Created October 17, 2024 • Updated October 20, 2024
You can also access this registry using the API (see API Docs).