The 3D-Transition study is a follow-up of the 3D Cohort pregnancy study (NCT03113331, which covered from the 1st trimester of pregnancy to age 2 years) as the children transition into kindergarten and first grade. It aims at clarifying prenatal and preschool predictors of challenging and successful transitions to school as measured by mental health and academic outcomes.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Mental health: Change in child mental health represented by one latent symptom score of the overarching category: externalizing symptoms.
Timeframe: Six times across 4 years, in the spring during Pre-Kindergarten, then in the fall and spring of Kindergarten and Grade 1, then in the spring of Grade 2
Mental health: Change in child mental health represented by one latent symptom score of the overarching category: internalizing symptoms.
Timeframe: Six times across 4 years, in the spring during Pre-Kindergarten, then in the fall and spring of Kindergarten and Grade 1, then in the spring of Grade 2
Neurodevelopment - Change in executive function
Timeframe: Yearly, across 3 years: in Pre-Kindergarten, Kindergarten and Grade 1
Neurodevelopment - Change in visuo-spatial ability
Timeframe: Yearly, across 3 years: in Pre-Kindergarten, Kindergarten and Grade 1
Neurodevelopment - Change in visuo-motor integration
Timeframe: Yearly, across 2 years: in Pre-Kindergarten and in Kindergarten
Neurodevelopment - Change in social cognition
Timeframe: Yearly, across 3 years: in Pre-Kindergarten, Kindergarten and Grade 1
Neurodevelopment - Change in emotional development
Timeframe: Yearly, across 3 years: in Pre-Kindergarten, Kindergarten and Grade 1
Academic skills scores - Change in school readiness
Timeframe: Yearly, across 2 years: in Pre-Kindergarten and Kindergarten
Academic skills scores- Change in Number Knowledge abilities
Timeframe: Yearly, across 3 years: in Pre-Kindergarten, Kindergarten and Grade 1
Academic skills scores - Change in receptive vocabulary
Timeframe: Yearly, across 3 years: in Pre-Kindergarten, Kindergarten and Grade 1
Academic skills scores - Change in Reading ability
Timeframe: Grade 1 only
Academic skills scores - Change in academic performance.
Timeframe: Yearly, across 2 years: in Grades 1 and 2
Change in Morning and evening salivary cortisol levels
Timeframe: Pre-Kindergarten to Grade 1 (Across a 16 months period from June in Year 1 to September in Year 2)