1. Use of drugs for ADHD in the Nordic countries: The programmer’s perspective! Anton Pottegård Research fellow Clinical Pharmacology University of Southern Denmark

5. Four datasets is all it takes… Basic info – ID; bdate; malesex Prescriptions – ID; rxdate; ATC; DDD; drugID; drugname ADHD drugs – ID; rxdate; ATC; DDD; drugID; drugname Population – male; age; year; count

9. Incidence rates Prevalence proportion Use of single substances Persistence (‘drug survival’) Co-medication Distribution of daily dose (≈) (Prescriber type) (Regional differences) Skewness

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11. Anton Pottegård apottegaard@health.sdu.dk www.antonpottegaard.dk