Time Trends Over 16 Years in Incidence-Rates of Autism Spectrum Disorders Across the Lifespan Based on Nationwide Danish Register Data

Jensen, Christina Mohr; Steinhausen, Hans-Christoph; Lauritsen, Marlene Briciet

doi:10.1007/s10803-014-2053-6

Cited by 124Autism Spectrum Disorder ResearchChild Nutrition and Feeding IssuesFamily and Disability Support Research

Time Trends Over 16 Years in Incidence-Rates of Autism Spectrum Disorders Across the Lifespan Based on Nationwide Danish Register Data

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Jensen, Christina Mohr, Steinhausen, Hans-Christoph, Lauritsen, Marlene Briciet·2014·Journal of Autism and Developmental Disorders

DOI 10.1007/s10803-014-2053-6

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Abstract

This study investigated time trends and associated factors of incidence rates of diagnosed autism spectrum disorders (ASD) across the lifespan from 1995 to 2010, using data from the Danish Psychiatric Central Research Registry. First time diagnosis of childhood autism, atypical autism, Asperger's syndrome, or pervasive developmental disorder-unspecified (PDD-NOS) were identified, incidence rates were calculated, and data were fitted using non-linear least squares methods. A total of 14.997 patients were identified and incidence rates for ASD increased from 9.0 to 38.6 per 100,000 person years during the 16-year period. The increases were most pronounced in females, adolescents, adults, and patients with Asperger's syndrome and PDD-NOS.

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Lower prevalence in older adult age groups may reflect increased use of camouflaging strategies or reduced autism knowledge and opportunities for detection with increasing age.
“Lower prevalence in older adult age groups (e.g. Bachmann et al., 2018; Jensen et al., 2014) may reflect increased use of camouflaging strategies or reduced autism knowledge and opportunities for detection with increasing age.”
From Diagnosis of autism in adulthood: A scoping review (2020) · cites this paper as Jensen et al., 2014
Longitudinal prevalence studies showed an increase in diagnosed autism among adults in more recent years.
“Longitudinal prevalence studies showed an increase in diagnosed autism among adults in more recent years (e.g. Jensen et al., 2014)”
From Diagnosis of autism in adulthood: A scoping review (2020) · cites this paper as Jensen et al., 2014
Atypical autism and AS are the most common diagnoses given to autistic adults aged 21-65 in Denmark.
“Atypical autism and AS are the most common diagnoses given to autistic adults aged 21-65.”
From Diagnosis of autism in adulthood: A scoping review (2020) · cites this paper as Jensen et al. (2014)
Incidence of ASD is low in adult age groups but increased rapidly over time.
“Incidence of ASD is low in adult age groups but increased rapidly over time.”
From Diagnosis of autism in adulthood: A scoping review (2020) · cites this paper as Jensen et al. (2014)

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Authors: Jensen, C. M., Steinhausen, H.-C., & Lauritsen, M. B.
Affiliations: Aalborg University Hospital (DK)
University of Basel (CH)
Corresponding author: Jensen, Christina Mohr
ORCID: Jensen, Christina Mohr
Steinhausen, Hans-Christoph
Lauritsen, Marlene Briciet
Venue: Journal of Autism and Developmental Disorders
Publisher: Springer Science and Business Media LLC
Published: 2014-02-20
Volume: 44
Issue: 8
Pages: 1808-1818
ISSN: 0162-3257 (ISSN-L)
1573-3432
DOI: 10.1007/s10803-014-2053-6
OpenAlex: W2081843311
Cited by: 119
References: 32
Citations by year: 2026: 10 · 2025: 8 · 2024: 10 · 2023: 13 · 2022: 3 · 2021: 15 · 2020: 13 · 2019: 9 · 2018: 10 · 2017: 4 · 2016: 15 · 2015: 5 · 2014: 3
FWCI: 5.02
Type: journal article
Language: en
Open access: green
doi.org
Licence: www.springer.com/tdm (tdm)
Locations: Journal of Autism and Developmental Disorders (publishedVersion)
PubMed (publishedVersion)
Zurich Open Repository and Archive (University of Zurich) (acceptedVersion)
edoc (University of Basel) (submittedVersion)
VBN Forskningsportal (Aalborg Universitet) (submittedVersion)
Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
Zurich Open Repository and Archive (University of Zurich)
Topics: Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
Social Sciences › Psychology › Clinical Psychology › Family and Disability Support Research
Keywords: autism spectrum disorder, incidence rates, temporal trends, Asperger syndrome, childhood autism, atypical autism, sex differences, age differences, autistic adults, Denmark
MeSH terms: Adolescent, Adult, Aged, Autistic Disorder, Child, Child, Preschool, Denmark, Female, Humans, Infant, Male, Middle Aged, Registries, Incidence, Age Distribution, Sex Distribution, Asperger Syndrome, Young Adult

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Time Trends Over 16 Years in Incidence-Rates of Autism Spectrum Disorders Across the Lifespan Based on Nationwide Danish Register Data

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