Use of ADHD drugs in the Nordic countries: a population-based comparison study

H Zoëga; K Furu; M Halldórsson; Per Hove Thomsen; A Sourander; J E Martikainen

doi:10.1111/j.1600-0447.2010.01607.x

Use of ADHD drugs in the Nordic countries: a population-based comparison study

H Zoëga, K Furu, M Halldórsson, Per Hove Thomsen, A Sourander, J E Martikainen

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

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Abstract

Zoëga H, Furu K, Halldórsson M, Thomsen PH, Sourander A, Martikainen JE. Use of ADHD drugs in the Nordic countries: a population-based comparison study. Objective: To compare national use of attention-deficit/hyperactivity disorder (ADHD) drugs between five Nordic countries. Method: A population-based drug utilisation study based on nationwide prescription databases, covering in total 24 919 145 individuals in 2007. ADHD drugs defined according to the World Health Organization Anatomic Therapeutic Chemical classification system as centrally acting sympathomimetics (N06BA). Results: The 2007 prevalence of ADHD drug use among the total Nordic population was 2.76 per 1000 inhabitants, varying from 1.23 per 1000 in Finland to 12.46 per 1000 in Iceland. Adjusting for age, Icelanders were nearly five times more likely than Swedes to have used ADHD drugs (Prev.Ratio = 4.53, 95% CI: 4.38-4.69). Prevalence among boys (age 7-15) was fourfold the prevalence among girls (Prev.Ratio = 4.28, 95% CI: 3.70-4.96). The gender ratio was diminished among adults (age 21 +) (Prev.Ratio = 1.24, CI: 1.21-1.27). Conclusion: A considerable national variation in use of ADHD drugs exists between the Nordic countries.

Original language	English
Journal	Acta Psychiatrica Scandinavica
Volume	123
Issue	5
Pages (from-to)	360-67
Number of pages	8
ISSN	0001-690X
DOIs	https://doi.org/10.1111/j.1600-0447.2010.01607.x
Publication status	Published - 2011

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@article{0bf9c2fd9ac44900a7567458d6a1bbf3,

title = "Use of ADHD drugs in the Nordic countries: a population-based comparison study",

abstract = "Zo{\"e}ga H, Furu K, Halld{\'o}rsson M, Thomsen PH, Sourander A, Martikainen JE. Use of ADHD drugs in the Nordic countries: a population-based comparison study. Objective: To compare national use of attention-deficit/hyperactivity disorder (ADHD) drugs between five Nordic countries. Method: A population-based drug utilisation study based on nationwide prescription databases, covering in total 24 919 145 individuals in 2007. ADHD drugs defined according to the World Health Organization Anatomic Therapeutic Chemical classification system as centrally acting sympathomimetics (N06BA). Results: The 2007 prevalence of ADHD drug use among the total Nordic population was 2.76 per 1000 inhabitants, varying from 1.23 per 1000 in Finland to 12.46 per 1000 in Iceland. Adjusting for age, Icelanders were nearly five times more likely than Swedes to have used ADHD drugs (Prev.Ratio = 4.53, 95% CI: 4.38-4.69). Prevalence among boys (age 7-15) was fourfold the prevalence among girls (Prev.Ratio = 4.28, 95% CI: 3.70-4.96). The gender ratio was diminished among adults (age 21 +) (Prev.Ratio = 1.24, CI: 1.21-1.27). Conclusion: A considerable national variation in use of ADHD drugs exists between the Nordic countries.",

author = "H Zo{\"e}ga and K Furu and M Halld{\'o}rsson and Thomsen, {Per Hove} and A Sourander and Martikainen, {J E}",

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T1 - Use of ADHD drugs in the Nordic countries: a population-based comparison study

AU - Zoëga, H

AU - Furu, K

AU - Halldórsson, M

AU - Thomsen, Per Hove

AU - Sourander, A

AU - Martikainen, J E

PY - 2011

Y1 - 2011

N2 - Zoëga H, Furu K, Halldórsson M, Thomsen PH, Sourander A, Martikainen JE. Use of ADHD drugs in the Nordic countries: a population-based comparison study. Objective: To compare national use of attention-deficit/hyperactivity disorder (ADHD) drugs between five Nordic countries. Method: A population-based drug utilisation study based on nationwide prescription databases, covering in total 24 919 145 individuals in 2007. ADHD drugs defined according to the World Health Organization Anatomic Therapeutic Chemical classification system as centrally acting sympathomimetics (N06BA). Results: The 2007 prevalence of ADHD drug use among the total Nordic population was 2.76 per 1000 inhabitants, varying from 1.23 per 1000 in Finland to 12.46 per 1000 in Iceland. Adjusting for age, Icelanders were nearly five times more likely than Swedes to have used ADHD drugs (Prev.Ratio = 4.53, 95% CI: 4.38-4.69). Prevalence among boys (age 7-15) was fourfold the prevalence among girls (Prev.Ratio = 4.28, 95% CI: 3.70-4.96). The gender ratio was diminished among adults (age 21 +) (Prev.Ratio = 1.24, CI: 1.21-1.27). Conclusion: A considerable national variation in use of ADHD drugs exists between the Nordic countries.

AB - Zoëga H, Furu K, Halldórsson M, Thomsen PH, Sourander A, Martikainen JE. Use of ADHD drugs in the Nordic countries: a population-based comparison study. Objective: To compare national use of attention-deficit/hyperactivity disorder (ADHD) drugs between five Nordic countries. Method: A population-based drug utilisation study based on nationwide prescription databases, covering in total 24 919 145 individuals in 2007. ADHD drugs defined according to the World Health Organization Anatomic Therapeutic Chemical classification system as centrally acting sympathomimetics (N06BA). Results: The 2007 prevalence of ADHD drug use among the total Nordic population was 2.76 per 1000 inhabitants, varying from 1.23 per 1000 in Finland to 12.46 per 1000 in Iceland. Adjusting for age, Icelanders were nearly five times more likely than Swedes to have used ADHD drugs (Prev.Ratio = 4.53, 95% CI: 4.38-4.69). Prevalence among boys (age 7-15) was fourfold the prevalence among girls (Prev.Ratio = 4.28, 95% CI: 3.70-4.96). The gender ratio was diminished among adults (age 21 +) (Prev.Ratio = 1.24, CI: 1.21-1.27). Conclusion: A considerable national variation in use of ADHD drugs exists between the Nordic countries.

U2 - 10.1111/j.1600-0447.2010.01607.x

DO - 10.1111/j.1600-0447.2010.01607.x

M3 - Journal article

C2 - 20860726

SN - 0001-690X

VL - 123

SP - 360

EP - 367

JO - Acta Psychiatrica Scandinavica

JF - Acta Psychiatrica Scandinavica

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ER -

Use of ADHD drugs in the Nordic countries: a population-based comparison study

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