• wave YS_2

    Study:NTR
    Parent cohort:NTR: Young Netherlands Twin Register
    Publisher: Vrije Universiteit Amsterdam
    This projects gathers maternal report (fathers added in 2014) on motor development, breastfeeding, health, handedness in 2-year old twins and growth data (including height and weight) as obtained from the Dutch National Health Services (from 2010). From 2008 onwards, items on well-being, child care, and temperament were added to the surveys.
    Created March 28, 2023 • Updated March 28, 2023

  • wave YS_TRF5

    Study:NTR
    Parent cohort:NTR: Young Netherlands Twin Register
    Publisher: Vrije Universiteit Amsterdam
    Teacher data were collected in 2 sub-groups of 5-year-olds. One as part of the study YE_ATTEF1 (Polderman et al., 2006) and one as a try-out study in 2008. The survey for the primary school teachers includes items on the teacher, class and school, functioning of the child, school performance, and standardized questionnaires on problem behavior, namely the...
    Created March 28, 2023 • Updated March 28, 2023

  • wave YC_ACTIONBB3

    Study:NTR
    Parent cohort:NTR: Young Netherlands Twin Register
    Publisher: Vrije Universiteit Amsterdam
    This is the Main Study of the ACTION project (Aggression in Children: Unraveling gene-environment interplay to inform Treatment and interventION strategies Consortium; http://www.action-euproject.eu/). Here, data collection of first-morning urine samples for metabolomics biomarker discovery and buccal-cell DNA samples for (epi)genetics was conducted in a...
    Created March 28, 2023 • Updated March 28, 2023

  • wave YE_COG10

    Study:NTR
    Parent cohort:NTR: Young Netherlands Twin Register
    Publisher: Vrije Universiteit Amsterdam
    This study is the third measurement of a longitudinal study on the development of brain function, intelligence and problem behavior, that started in 1992 (waves one and two not included in CD2). A short version of the Revised Amsterdam Children Intelligence Test (RAKIT) was administered to a group of ten-year-old twin pairs.
    Created March 28, 2023 • Updated March 28, 2023
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