Youngest students in their class, with birthdates just before the school entry cut-off date, are
overrepresented among children receiving an Attention-Deficit/Hyperactivity Disorder …

Teacher ratings are fundamental to the assessment of Attention-Deficit/Hyperactivity
Disorder (ADHD) among students. However, teacher-reported ADHD symptoms and …

Objective To assess optimal timing of influenza vaccination in young children. Design
Population based cohort study. Setting United States. Participants Commercially insured …

This cross-sectional, nationwide, population-based study aimed to elucidate sex differences
in psychiatric comorbidities of Attention-deficit/hyperactivity disorder (ADHD) across …

Attention-deficit/hyperactivity disorder (ADHD) is a common neurobehavioral disorder
beginning in childhood and often extending into adulthood. ADHD may negatively impact …

Does deferring school entry for children born just before the enrollment cutoff date improve
their mental well-being? We address this question using administrative data on prescriptions …

Osajulkaisut Jallow, J., Halt, A.-H., Öhman, H., & Hurtig, T.(2021). Prenatal inflammation
does not increase the risk for symptoms of attention deficit hyperactivity disorder (ADHD) in …

We use linked individual-level data on school enrollment, physician services received, and
prescription medications from September 2016 to March 2022 to measure the effect of the …

Studies have shown that reducing out‐of‐pocket costs can lead to higher medication
initiation rates in childhood. Whether the cost of such initiatives is inflated by moral hazard …

Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder with a high
degree of comorbidity, including substance misuse. We aimed to assess whether ADHD …