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Original Investigation
July 3, 2017

Educational and Health Outcomes of Children Treated for Attention-Deficit/Hyperactivity Disorder

Author Affiliations
  • 1Institute of Health and Wellbeing, University of Glasgow, Glasgow, Scotland
  • 2Department of Child Health, University of Aberdeen, Aberdeen, Scotland
  • 3Information Services Division, Edinburgh, Scotland
  • 4ScotXed, Scottish Government, Edinburgh, Scotland
JAMA Pediatr. 2017;171(7):e170691. doi:10.1001/jamapediatrics.2017.0691
Key Points

Question  Do schoolchildren treated for attention-deficit/hyperactivity disorder have worse education and health outcomes than their peers?

Findings  In this population-based cohort study, 766 244 singleton children attended Scottish schools between 2009 and 2013. The 7413 children receiving medication for attention-deficit/hyperactivity disorder had worse education outcomes (unauthorized absence, exclusion, special educational need, lower academic attainment, left school earlier, and higher unemployment) and health outcomes (hospitalizations overall and for injury).

Meaning  Even with medication, children with attention-deficit/hyperactivity disorder fare worse than their peers across a wide range of outcomes relating not only to education but also health.

Abstract

Importance  Attention-deficit/hyperactivity disorder (ADHD) affects 39 million people worldwide; in isolation, it doubles annual health care costs and, when associated with comorbid mental health problems, it quadruples the costs.

Objective  To compare the education and health outcomes of schoolchildren treated for ADHD with their peers.

Design, Setting, and Participants  In this population-based cohort study, individual-level record linkage was performed of 8 Scotland-wide administrative databases covering dispensed prescriptions, admissions to acute and psychiatric hospitals, maternity records, annual pupil census, examinations, school absences and exclusions, and unemployment. The study cohort comprised 766 244 children attending Scottish primary, secondary, and special schools at any point between September 21, 2009, and September 18, 2013. Data analysis was performed from June 1, 2015, to December 6, 2016.

Exposures  Medication approved solely for ADHD treatment.

Main Outcomes and Measures  Special educational needs, academic attainment, unauthorized absence, exclusion, age at leaving school, unemployment after leaving, and hospitalization. Outcomes were adjusted for potential sociodemographic, maternity, and comorbidity confounders.

Results  Of the 766 244 schoolchildren, 7413 (1.0%) were treated for ADHD; 6287 (84.8%) were male. These children had higher rates of unauthorized absence (adjusted incidence rate ratio [IRR], 1.16; 95% CI, 1.14-1.19) and exclusion (adjusted IRR, 5.79; 95% CI, 5.45-6.16), more commonly had a record of special educational need (adjusted odds ratio [OR], 8.62; 95% CI, 8.26-9.00), achieved lower academic attainment (adjusted OR, 3.35; 95% CI, 3.00-3.75), were more likely to leave school before age 16 years (1546 [64.3%] vs 61 235 [28.4%]), and were more likely to be unemployed (adjusted OR, 1.39; 95% CI, 1.25-1.53). Children with ADHD were more likely to require hospitalization overall (adjusted hazard ratio [HR], 1.25; 95% CI, 1.19-1.31) and for injury (adjusted HR, 1.52; 95% CI, 1.40-1.65).

Conclusions and Relevance  Even while receiving medication, children with ADHD fare worse than their peers across a wide range of outcomes relating not only to education but also to health.

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