Gender and injuries predict stimulant medication

Søren Dalsgaard, James F. Leckman, Helena Skyt Nielsen, Marianne Simonsen

21 Citationer (Scopus)
200 Downloads (Pure)

Abstract

Objective:
The purpose of this article was to examine whether injuries in early childhood and gender predict prescriptions of stimulant medication in three groups of children: With attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), and other psychiatric disorders (OPD).

Methods:
This was a population-based study with prospective and complete follow-up of children with ADHD (n=11,553), ASD (n=9698), and OPD (n=48,468), of whom 61%, 16%, and 3%, respectively, were treated with stimulants. For all 69,719 individual children data on psychiatric diagnoses, injuries, and drug prescriptions were obtained from national registers and merged.

Results:
Having sustained an injury before 5 years of age increased the likelihood of later stimulant treatment, in children with ADHD (odds ratio [OR]=1.09; 95% confidence interval [CI]=1.01-1.21), ASD (OR=1.19; 95% CI=1.02-1.40), and OPD (OR=1.24; 95% CI=1.08-1.42), with each injury increasing the likelihood by 3%, 10%, and 7%, respectively. Head injury did not increase the likelihood of later stimulant treatment. Within each of the three groups, ADHD, ASD, and OPD boys were more likely than girls to receive stimulant medication, OR=1.17 (95% CI=1.07-1.28); OR=1.71 (95% CI=1.47-2.01), and OR=2.41 (95% CI=2.16-2.71), respectively.

Conclusions:
To our knowledge, this is the first prospective study assessing early life predictors of later ADHD medication in children with a psychiatric disorder, taken from a national cohort with complete follow-up of all cases. We found that the number of injuries prior to diagnosis was associated with initiation of stimulant treatment in all three groups of patients. In addition, male gender predicted treatment with ADHD medications. Our results suggest that the number of injuries early in life prior to diagnosis is associated with stimulant treatment, and may serve as a proxy for the level of later severity of ADHD symptoms, as it is universally associated with pharmacological treatment for ADHD.
OriginalsprogEngelsk
TidsskriftJournal of Child and Adolescent Psychopharmacology
Vol/bind24
Udgave nummer5
Sider (fra-til)253-259
Antal sider8
ISSN1044-5463
DOI
StatusUdgivet - 13 maj 2014
Udgivet eksterntJa

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