• measure General health during Covid-19 pandemic

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  Covid questionnaires
     
    0
    5
    10
    15
    20
    25
    30
    years
    General health, pregnancy and chronic diseases were asessed during the Covid-19 pandemic.
    Created June 5, 2024 Updated September 19, 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 June 5, 2024 Updated September 19, 2024
  • measure Chronic somatic disease

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  Covid questionnaires
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Chronic somatic disease questionnaire asks the child's chronic diseases, illness duration and frequency, and whether the child received medical treatment. Items were assessed during the Covid-19 pandemic.
    Created June 5, 2024 Updated September 19, 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
    5
    10
    15
    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 June 5, 2024 Updated September 19, 2024
  • measure Delinquent behavior

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  Mid pregnancy 17-18 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Delinquent behavior was assessed using a self-report questionnaire regarding involvement in different types of delinquent behavior, such as theft, fraud, violence and traffic violation. Items were rated on a 5-point Likert scale (from never to six times or more).
    Created June 5, 2024 Updated September 19, 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
    15
    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 June 5, 2024 Updated September 19, 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 June 5, 2024 Updated September 19, 2024
  • measure Age of child's first mobile phone

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  17-18 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    The age of the child's first mobile phone use was reported by mothers.
    Created June 5, 2024 Updated September 19, 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 June 5, 2024 Updated September 19, 2024
  • 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 June 5, 2024 Updated June 20, 2024
  • measure Sleep and sleep habits

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_2 YS_5 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YE_FITNSS YS_TRIP age 2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Sleep and sleep habits comprises questions about the amount of sleep and sleeping habits, such as "How many hours a night do you sleep on average during a school week/working week?", "How much does your twin sleep?", and "Do/did the twins sleep together in the same room?"
    Created June 5, 2024 Updated June 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
    15
    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 June 5, 2024 Updated June 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 June 5, 2024 Updated June 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 June 5, 2024 Updated June 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 June 5, 2024 Updated June 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 June 5, 2024 Updated June 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 June 5, 2024 Updated June 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 June 5, 2024 Updated June 20, 2024
  • measure Life Events Scale

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Life Events scale assesses the presence of a wide range of important events in the respondent's life, such as death of a spouse, close relative, or friend, divorce/separation, personal illness or injury, job loss or job change, sexual difficulties, financial problems, etc.
    Created June 5, 2024 Updated June 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 June 5, 2024 Updated June 20, 2024
You can also access this registry using the API (see API Docs).