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measure Vaccinations
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_7 YS_10Questions about general vaccinations, e.g., vaccination against mumps, measles and rubellaCreated March 28, 2023 • Updated April 4, 2023 -
measure Bullying Victimization
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_TRF7 YS_TRF10 YS_TRF12Questions about bullying and victimizationCreated March 28, 2023 • Updated April 4, 2023 -
measure GC-MS organic acids
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3Gas chromatography mass spectrometry (GC-MS) platform targeting organic acids.Created March 28, 2023 • Updated April 4, 2023 -
measure Work demographics
Study: NTR 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 YS_DT YE_COG12 YE_COG18 YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12Questions about working, hours of working, maternity/paternity leave, and type of professionCreated March 28, 2023 • Updated April 4, 2023 -
measure Zygosity (questionnaire)
Study: NTR 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_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12The 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 March 28, 2023 • Updated April 4, 2023 -
measure Urine osmolality
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3Urinary osmolality as measured with density test (specific gravity) using the Atago refractometer PAL-10S BLT/A+W (Atago, Tokyo, Japan). The refractive index is a ratio of the velocity of light in air to the velocity of light in solution, which is directly proportional to the number of dissolved solids in urine.Created March 28, 2023 • Updated April 4, 2023 -
measure Side jobs and household chores
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_DHBQP YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_DSC YE_ATTEF3 YC_ADHMRI YE_COG12 YS_TRIP4 YS_TRIP7 YS_TRIP10Questions about side jobs (parttime work), volunteer work, household chores, and other main daytime activities.Created March 28, 2023 • Updated April 4, 2023 -
measure School Situation
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register 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_BS1 YC_BS2 YC_DSC YE_FITNSS YE_ATTEF2 YC_ADHMRI YS_DT YE_COG12 YE_COG18 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12Questions about the school situation including the type of school the children attend, whether twins attemd the same/different school/class, whether the child has ever skipped or repeated grades, and truancy.Created March 28, 2023 • Updated April 4, 2023 -
measure Revised Conners' Teacher Rating Scale Short Form (CTRS-R:S)
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_TRF5 YS_TRF7 YS_TRF10 YS_TRF12 YE_ATTEF1The 28-item Short Form of the Revised Conners' Teacher Rating Scale (CTRS-R:s) measures social, emotional, behavioral, and academic problems in children and adolescents ages 8 to 18 with a focus on ADHD and related behaviors. It includes the Oppositional, Cognitive Problems, Hyperactive-Impulsive, and ADHD Index subcales.Created March 28, 2023 • Updated April 4, 2023 -
measure Child care
Study: NTR 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_TRIP1_2 YS_TRIP3 YS_TRIP5Questions about pre-school, after-school and out-of school careCreated March 28, 2023 • Updated April 4, 2023 -
measure Social Skills Rating System (SSRS)
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_TRF7 YS_TRF10 YS_TRF12The Social Skills Rating System (SSRS) is a broad, multi-rater assessment of social behaviors that assesses teacher-student relations, peer acceptance, and academic performance in pre-school, elementary, and secondary students.Created March 28, 2023 • Updated April 4, 2023 -
measure Strengths and Difficulties Questionnaire (SDQ)
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_VALThe Strengths and Difficulties Questionnaire (SDQ) is a brief questionnaire for assessing the psychosocial adjustment of children and adolescents. Versions are available for parents and teachers of 4- to 16-year-olds, and a nearly identical version can be completed independently by 11- to 16-years olds. The SDQ differs from related instruments in that it...Created March 28, 2023 • Updated April 4, 2023 -
measure Liver enzymes
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3 YC_BS1 YC_BS2 YC_BS3Liver enzymes, for instance Albumin, Jodide, Aspartaat Aminotransferase (ASAT), and Alanine Transaminase (ALAT), measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).Created March 28, 2023 • Updated April 4, 2023 -
measure Autism-Tics, ADHD, and other Comorbidities inventory (A-TAC)
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_VALThe Autism–Tics, AD/HD and other Comorbidities inventory (A-TAC) is a broad-band screening instrument that encompasses autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD), tic disorders (TD), developmental coordination disorder (DCD), and learning disorder (LD). Furthermore, the A-TAC also covers possible overlapping childhood...Created March 28, 2023 • Updated April 4, 2023 -
measure Pubertal Development
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_1 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3 YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YC_ADHMRI YE_COG18 YS_TRIP1_2Questions about pubertal development including breast growth, menstruation, shaving, deepening of voice, and growth spurtsCreated March 28, 2023 • Updated April 4, 2023 -
measure Medication Use
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Telephone Available measurements: Young Netherlands Twin Register YS_1 YS_2 YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_ACTIONBB2 YC_ACTIONBB3 YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_ATTEF2 YC_ADHMRI YE_COG18 YS_TRIP1 YS_TRIP2 YS_TRIP1_2 YS_TRIP3 YS_TRIP5Medication use incl. dosage, duration, and ATC code if availableCreated March 28, 2023 • Updated April 4, 2023 -
measure Oxidative stress markers
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3Oxidative stress markers, including Oxidized DNA/RNA, Total Antioxidant Capacity, and Thiobarbituric acid reactive substances (malondialdehyde), measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).Created March 28, 2023 • Updated April 4, 2023 -
measure Substance Use
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_1 YS_2 YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_BS3 YE_FITNSS YE_COG18 YS_TRIP1 YS_TRIP2 YS_TRIP1_2Substance use incl. tabacco, alcohol, and (recreational) drugs (for parents also available during pregnacy)Created March 28, 2023 • Updated April 4, 2023 -
measure Cantril ladder
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_ACTIONBB2 YC_ACTIONBB3 YC_BS2 YE_FITNSS YS_TRIP3 YS_TRIP5 YS_TRIP7Subjective quality of life on a scale of 0 to 10.Created March 28, 2023 • Updated April 4, 2023 -
measure Inflammation markers
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3Inflammation markers, for instance C-reactive protein (CRP), Lymphocytes, Neopterin, Immunoglobulin E (IgE), Immunoglobulin G (IgG), and tissue Transglutaminase Immunoglobulin A (tTg-IgA), measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).Created March 28, 2023 • Updated April 4, 2023