Simen Markussen

Oslo, Norway

Last Updated: 09/26/2026

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Found 19 publications

Effect of pharmacological treatment of attention-deficit hyperactivity disorder on contacts with child welfare services.

Effect of pharmacological treatment of attention-deficit hyperactivity disorder on contacts with child welfare services.

Journal: The British journal of psychiatry : the journal of mental science

Published: March 05, 2026

Effect of pharmacological treatment of attention-deficit/hyperactivity disorder on later psychiatric comorbidity: a population-based prospective long-term study.

Effect of pharmacological treatment of attention-deficit/hyperactivity disorder on later psychiatric comorbidity: a population-based prospective long-term study.

Journal: BMJ mental health

Published: January 15, 2024

Effect of ADHD medication on risk of injuries: a preference-based instrumental variable analysis.

Effect of ADHD medication on risk of injuries: a preference-based instrumental variable analysis.

Journal: European child & adolescent psychiatry

Published: July 05, 2023

Long term outcomes and causal modelling of compulsory inpatient and outpatient mental health care using Norwegian registry data: Protocol for a controversies in psychiatry research project.

Long term outcomes and causal modelling of compulsory inpatient and outpatient mental health care using Norwegian registry data: Protocol for a controversies in psychiatry research project.

Journal: International journal of methods in psychiatric research

Published: June 01, 2023

Socioeconomic differences in the long-term effects of teacher absence on student outcomes.

Socioeconomic differences in the long-term effects of teacher absence on student outcomes.

Journal: European societies

Published: May 20, 2023

When health trumps money: Economic incentives and health equity in the public provision of nursing homes in Norway.

When health trumps money: Economic incentives and health equity in the public provision of nursing homes in Norway.

Journal: Social science & medicine (1982)

Published: April 28, 2023

Effect of Pharmacological Treatment of Attention-Deficit/Hyperactivity Disorder on Criminality.

Effect of Pharmacological Treatment of Attention-Deficit/Hyperactivity Disorder on Criminality.

Journal: Journal of the American Academy of Child and Adolescent Psychiatry

Published: January 19, 2023

Geographical variation in ADHD: do diagnoses reflect symptom levels?

Geographical variation in ADHD: do diagnoses reflect symptom levels?

Journal: European child & adolescent psychiatry

Published: April 05, 2022

Effects of dialogue meetings on sickness absence-Evidence from a large field experiment.

Effects of dialogue meetings on sickness absence-Evidence from a large field experiment.

Journal: Journal of health economics

Published: April 28, 2021

Causal modelling of variation in clinical practice and long-term outcomes of ADHD using Norwegian registry data: the ADHD controversy project.

Causal modelling of variation in clinical practice and long-term outcomes of ADHD using Norwegian registry data: the ADHD controversy project.

Journal: BMJ open

Published: January 20, 2021

Preference-based instrumental variables in health research rely on important and underreported assumptions: a systematic review.

Preference-based instrumental variables in health research rely on important and underreported assumptions: a systematic review.

Journal: Journal of clinical epidemiology

Published: December 29, 2020

Children and Careers: How Family Size Affects Parents' Labor Market Outcomes in the Long Run.

Children and Careers: How Family Size Affects Parents' Labor Market Outcomes in the Long Run.

Journal: Demography

Published: September 08, 2017

Showing 1-12 of 19

Last Updated: 09/26/2026