Has the attention deficit hyperactivity disorder phenotype become more common in children between 2004 and 2014?: Trends over 10 years from a Swedish general population sample

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Rydell, MinaKarolinska Institutet (författare)

Has the attention deficit hyperactivity disorder phenotype become more common in children between 2004 and 2014? : Trends over 10 years from a Swedish general population sample

Artikel/kapitelEngelska2018

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2018-02-27
Stockholm :Blackwell Publishing,2018
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LIBRIS-ID:oai:DiVA.org:oru-65448
ISSN:0021-9630
10616/46702hdl
https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-65448URI
https://doi.org/10.1111/jcpp.12882DOI
http://hdl.handle.net/10616/46702URI
http://kipublications.ki.se/Default.aspx?queryparsed=id:138730686URI
https://gup.ub.gu.se/publication/267275URI

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Språk:engelska
Sammanfattning på:engelska

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Ämneskategori:art swepub-publicationtype

Anmärkningar

Funding Agencies:Swedish Council for Working Life funds under ALF Söderstrom-Königska Foundation
BACKGROUND: Studies have reported increases in clinically diagnosed and treated attention deficit hyperactivity disorder (ADHD) during the last decade, but it is unclear if this reflects an increase in the underlying ADHD phenotype. We aimed to clarify if there has been an increase in the prevalence of ADHD-like traits in the general population from 2004 to 2014.METHOD: Data were collected from 9-year-old twins (19,271), participating in the population-based Child and Adolescent Twin Study in Sweden between 2004 and 2014. We assessed lifetime ADHD symptoms using the Autism-Tics, ADHD and other Comorbidities inventory. Research proxies for diagnostic-level ADHD and subthreshold ADHD were derived from this scale. We modeled the lifetime prevalence of diagnostic-level and subthreshold ADHD with logistic regression, and assessed mean ADHD scores each year with linear regression. Lifetime prevalence of clinically diagnosed ADHD was retrieved from the National Patient Register and modeled with logistic regression.RESULTS: The prevalence of diagnostic-level ADHD based on parent ratings did not differ significantly over time from 2004 to 2014 (OR 1.37; 95% CI: 0.77-2.45; p-value .233). Both subthreshold ADHD and mean ADHD scores increased significantly over time (both p-values <.001). Clinically diagnosed ADHD increased more than fivefold from 2004 to 2014 (OR 5.27, 95% CI: 1.85-14.96).CONCLUSIONS: We found no evidence of an increase in ADHD-like traits at the extreme end of the distribution from 2004 to 2014, but small increases in normal and subthreshold variations of ADHD-like traits were observed. This suggests that the increased rates of clinically diagnosed ADHD might reflect changes in diagnostic and treatment practices of ADHD, administrative changes in reporting diagnoses, greater awareness of ADHD, better access to healthcare, or current overdiagnosis, rather than an increase in the ADHD phenotype.

Ämnesord och genrebeteckningar

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Psykiatri hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Psychiatry hsv//eng
SAMHÄLLSVETENSKAP Psykologi Psykologi hsv//swe
SOCIAL SCIENCES Psychology Psychology hsv//eng
ADHD
epidemiology
time trends
lifetime prevalence
ADHD ; epidemiology; lifetime prevalence; time trends

Biuppslag (personer, institutioner, konferenser, titlar ...)

Lundström, SebastianGothenburg University,Göteborgs universitet,Centrum för etik, juridik och mental hälsa,Gillbergcentrum,Centre for Ethics, Law, and Mental Health,Gillberg Neuropsychiatry Centre(Swepub:gu)xluseb (författare)
Gillberg, Christopher,1950Gothenburg University,Göteborgs universitet,Gillbergcentrum,Gillberg Neuropsychiatry Centre(Swepub:gu)xgilch (författare)
Lichtenstein, PaulKarolinska Institutet (författare)
Larsson, Henrik,1975-Karolinska Institutet,Örebro universitet,Institutionen för medicinska vetenskaper,Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden(Swepub:oru)hiln (författare)
Karolinska InstitutetCentrum för etik, juridik och mental hälsa (creator_code:org_t)
Karolinska Institutet
Karolinska Institutet

Sammanhörande titlar

Ingår i:Journal of Child Psychology and PsychiatryStockholm : Blackwell Publishing59:8, s. 863-8710021-96301469-7610

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Av författaren/redakt...: Rydell, Mina; Lundström, Sebas ...; Gillberg, Christ ...; Lichtenstein, Pa ...; Larsson, Henrik, ...

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Psykiatri

SAMHÄLLSVETENSKAP: SAMHÄLLSVETENSKA ...; och Psykologi; och Psykologi

Artiklar i publikationen: Journal of Child ...

Av lärosätet: Örebro universitet; Karolinska Institutet; Göteborgs universitet

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