• measure Demographics

    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 BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3 YS_REF YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_ATTEF1 YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YS_DT YE_COG12 YE_COG18 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
     
    0
    5
    10
    15
    20
    25
    30
    years
    Demographic information includes age and year of birth, biological sex and gender, country and place of birth, current zipcode, nationality, religion, educational attainment, spoken laguages, and information on multiple births.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Family Composition

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_2 YS_5 YS_7 YS_10 YS_12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YE_COG18 YS_TRIP age 1 YS_TRIP age 2 YS_TRIP age 1-2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Family composition was assessed, including multiples in the (extended) family, twins in the extended family, number of siblings and number of children.
    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 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 Work demographics

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_3 YS_TRF5 YS_7 YS_TRF7 YS_10 YS_TRF10 YS_12 YS_TRF12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YE_FITNSS YE_ATTEF2 YS_DT YE_COG12 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
    Work demographics consists of questions about working, hours of working, maternity/paternity leave, and type of profession.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Illness Behavior Encouragement Scale (IBES)

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2 years 3 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Illness Behavior Encouragement Scale (IBES) is a parent-report questionnaire that assesses parental response to children's illness in the last three months.
    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
    5
    10
    15
    20
    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 Infant/Toddler Home Observation for Measurement of the Environment (IT-HOME)

    Study:Generation R
    Mode of collection: Observation
    Available measurements:
    Generation R  3 months
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Infant/Toddler Home Observation for Measurement of the Environment (HOME) is a descriptive profile which yields a systematic assessment of the caring environment in which the child is reared. The primary goal of the instrument is to measure, within a naturalistic context, the quality and quantity of stimulation and support available to a child in the...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Generation R Infant Distress Scale (GRIDS)

    Study:Generation R
    Mode of collection: Observation
    Available measurements:
    Generation R  1 year
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Generation R Infant Distress Scale (GRIDS) is an observational instrument that includes a selection of behaviors from various existing observation scales of parent and child/infant behavior during medical procedures. It includes both nonverbal and verbal behaviors of the parent and the infant. The ‘infant distress’ score combines the following...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Sleep characteristics and sleep problems

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2 months 6 months 2 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Sleep characteristics and sleep problems assesses infant's sleep and sleep regulation, including sleep patterns, habits and sleeping problems.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Strange Situation Procedure (SSP)

    Study:Generation R
    Mode of collection: Observation
    Available measurements:
    Generation R  1 year
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Strange Situation Procedure (SSP) is a video observation of infants’ attachment to their parents. In eight three-minute phases, the child is exposed to an increasing amount of stress, culminating in a three-minute period in which they are completely alone. The stressful situations are intended to elicit the child's attachment strategy and to observe...
    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
    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 October 17, 2024 • Updated October 20, 2024

  • measure Child caretaking

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  6 months 1 year 2 years 3 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Child caretaking assesses who takes care of the child (e.g., parents, babysitter, au pair, child minder, family, friends, neighbors), and how many hours per week they spend on child caretaking.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Macarthur Communicative Development Inventory (MCDI)

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  1.5 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    The MacArthur Communicative Development Inventories (N-CDI) are a pair of widely used parent-report instruments for assessing communicative skills in infants and toddlers. The CDIs are parent report instruments which capture important information about children's developing abilities in early language, including vocabulary comprehension, production,...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Language Development Survey (LDS)

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2.5 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Language Development Survey (LDS) assesses receptive and expressive language development. It is a 310-word vocabulary checklist, e.g., ‘Apple’ and ‘Tortoise’, with words arranged within 14 semantic categories. Parents are asked to identify the words that the child uses spontaneously.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Epilepsy symptoms

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2 months 6 months 1 year 2 years 3 years 5-6 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Epilepsy symptoms assesses the presence of unexpected incidents and attacks in the medical history of the child. Items include epileptic seizures, seizure/febrile convulsion, a breath-holding spell, or lost consciousness.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Household and neighborhood situation

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  Mid pregnancy 2 years 2.5 years 9-10 years 13-14 years 17-18 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Household and neighborhood situation assesses household composition, marital status (or status of parternership), living conditions and and perception of neighborhood.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Cardiac and renal structure

    Study:Generation R
    Mode of collection: MeasurementsAndTests    Echo
    Available measurements:
    Generation R  6 weeks 6 months 2 years 9-10 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Ultrasound measurements were performed to obtain measures of cardiac and renal structure.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Blood sample

    Study:Generation R
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Generation R  Early pregnancy Mid pregnancy Birth 6 months 1 year 1.5 years 2 years 3 years 5-6 years 8 years 9-10 years 13-14 years 17-18 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    A blood sample consists of taking an amount of a person's blood from their body.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Neuromotor development

    Study:Generation R
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Generation R  6 weeks 3 months 6 months 1 year
     
    0
    5
    10
    15
    20
    25
    30
    years
    Neuromotor development was assessed using items from the Touwen’s Neurodevelopmental Examination. Children's motor behavior was observed in supine, prone, sitting, standing, and walking positions.
    Created October 17, 2024 • Updated October 20, 2024
You can also access this registry using the API (see API Docs).