The DOI matches its Crossref record; 50 of the 51 references it cites were found in a registry or an index.
Prevalence of Autism in Iceland
Abstract
This clinic-based study estimated the prevalence of autism in Iceland in two consecutive birth cohorts, subjects born in 1974-1983 and in 1984-1993. In the older cohort classification was based on the ICD-9 in 72% of cases while in the younger cohort 89% of cases were classified according to the ICD-10. Estimated prevalence rates for Infantile autism/Childhood autism were 3.8 per 10,000 in the older cohort and 8.6 per 10,000 in the younger cohort. The characteristics of the autistic groups are presented in terms of level of intelligence, male:female ratio, and age at diagnosis. For the younger cohort scores on the Autism Diagnostic Interview-Revised and the Childhood Autism Rating Scale are reported as well. Results are compared with a previous Icelandic study and recent population-based studies in other countries based on the ICD-10 classification system. Methodological issues are discussed as well as implications for future research and service delivery.
Overview
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
In the citing paper
“a recent study found that among residentially stable families, children living in areas with a greater number of neurologists or psychiatrists were diagnosed earlier [38].”
From Explaining differences in age at autism spectrum disorder diagnosis: A critical review (2014) · cites this paper as [38]
In the citing paper
“Only one of these studies found an association between the availability of health professionals and age at diagnosis [38].”
From Explaining differences in age at autism spectrum disorder diagnosis: A critical review (2014) · cites this paper as [38]
In the citing paper
“The same study also found that children living in close proximity to a medical school were diagnosed earlier [38].”
From Explaining differences in age at autism spectrum disorder diagnosis: A critical review (2014) · cites this paper as [38]
Citations
Cites
Diagnostic and Statistical Manual of Mental Disorders
Williams, J. B. W., & First, M. B. (2013) · Oxford University Press eBooks · doi:10.1093/acrefore/9780199975839.013.104 · Cited by 109,821
Lord, C., Rutter, M., & Le Couteur, A. (1994) · Journal of Autism and Developmental Disorders · doi:10.1007/bf02172145 · Cited by 9,065
Diagnostic and Statistical Manual of Mental Disorders, 3rd ed
Cooper, A. M., & Michels, R. (1981) · American Journal of Psychiatry · doi:10.1176/ajp.138.1.128 · Cited by 7,418
Diagnostic and Statistical Manual of Mental Disorders, 3rd ed
Kendell, R. E. (1980) · American Journal of Psychiatry · doi:10.1176/ajp.137.12.1630 · Cited by 5,181
International Classification of Diseases
Jones, F. A. (1978) · Gut · doi:10.1136/gut.19.12.1175 · Cited by 2,919
Manual for the Bayley Scales of Infant Development
Bayley, N. (1969) · Medical Entomology and Zoology · Cited by 1,328
Manual for the Wechsler intelligence scale for children
Wechsler, D. (1974) · Psychological Corp. eBooks · Cited by 1,303
Autism diagnostic interview: A standardized investigator-based instrument
Le Couteur, A., Rutter, M., Lord, C., Rios, P., Robertson, S., Holdgrafer, M., & McLennan, J. (1989) · Journal of Autism and Developmental Disorders · doi:10.1007/bf02212936 · Cited by 1,036
Bailey, A. J., Phillips, W., & Rutter, M. L. (1996) · Journal of Child Psychology and Psychiatry · doi:10.1111/j.1469-7610.1996.tb01381.x · Cited by 766
Follow‐Up of Two‐Year‐Olds Referred for Possible Autism
Lord, C. (1995) · Journal of Child Psychology and Psychiatry · doi:10.1111/j.1469-7610.1995.tb01669.x · Cited by 645 · cited 1×
“This is in accordance with research showing stability of diagnosis even at the age of 2‐3 years ( Lord, 1995; Stone et al., 1999).”
Result
Research works printed but not linked: 17
- Bayley, N. (1993). Manual for the Bayley Scales of Infant Development (2nd ed.). New York: Psychological Corp.
- Dunn, L. M., & Dunn, M. (1981). Peabody Picture Vocabulary Test-Revised. Circle Pines, MN: American Guidance Service.
- Einarsdóttir, A. V., & Haraldsdóttir, G. (1992). Réttmætis-og áreiýanleikaathugun á Greiningarkvarýa fyrir barnaeinhverfu (CARS) [Study of the reliability and validity of the Childhood Autism Rating Scale (CARS)]. Unpublished B.A. thesis, University of Iceland, Reykjavik, Iceland.
- Fombonne, E. (1998). Epidemiological surveys of autism. In F. R. Volkmar (Ed.), Autism and pervasive developmental disorders (pp. 32-63). Cambridge, UK: Cambridge University Press.
- Gillberg, C. (1995). The prevalence of autism and autism spectrum disorders. In F. C. Verhulst & H. M. Koot (Eds.), The epidemiology of child and adolescent psychopathology (pp. 227-257). Oxford, UK: Oxford University Press.
- Hannibalsson, A. (1971). Greindarpróf Wechslers handa börnum [Wechsler Intelligence Scale for Children]. Reykjavik, Iceland: Reykjavik Primary Health Care Center.
- Levine, M. N. (1982). Leiter International Performance Scale: A Handbook. Los Angeles: Western Psychological Services.
- MagnÚsson, G. T. (1977). Athugun á geýveikum börnum á Íslandi: Börn fædd 1964-1973 [An investigation of psychotic children in Iceland: Children born 1964-1973]. Læknablaýiý, 63, 237-243.
- MagnÚsson, P., & Gunnarsdóttir, K. (1994). The epidemiology of autism and Asperger syndrome in Iceland: A summary of a pilot study. Arctic Medical Research, 53 (Suppl. 2), 464-466.
- Rutter, M., Shaffer, D., & Sturge, C. (1975). A guide to a multiaxial classification scheme for psychiatric disorders in childhood and adolescence. London: Institute of Psychiatry.
- Schopler, E., Reichler, R. J., & Renner, B. R. (1988). The Childhood Autism Rating Scale (CARS). Los Angeles: Western Psychological Services.
- Statistics Iceland. (1998). Landshagir. Reykjavik: Author.
- Statistics Iceland. (1999). Leikskólar 1997. Reykjavik: Author.
- Thorarinsson, S. (1968). Iceland. In A. Sømme (Ed.), A Geography of Norden (pp. 204-234). Oslo: J. W. Cappelens Forlag.
- Wechsler, D. (1989). Manual for the Wechsler Preschool and Primary Scale of Intelligence-Revised. San Antonio, TX: Psychological Corp.
- World Health Organization. (1992). The ICD-10 classification of mental and behavioural disorders. Clinical descriptions and diagnostic guidelines. Geneva, Switzerland: Author.
- World Health Organization. (1993). The ICD-10 classification of mental and behavioural disorders. Diagnostic criteria for research. Geneva, Switzerland: Author.
Cited by
Global Prevalence of Autism and Other Pervasive Developmental Disorders
Elsabbagh, M., Divan, G., Koh, Y., Kim, Y. S., Kauchali, S., Marcín, C., Montiel‐Nava, C., Patel, V., Paula, C. S., Wang, C., et al. (2012) · Autism Research · doi:10.1002/aur.239 · Cited by 2,636
Epidemiology of Pervasive Developmental Disorders
Fombonne, E. (2009) · Pediatric Research · doi:10.1203/pdr.0b013e31819e7203 · Cited by 1,971
Epidemiological Surveys of Autism and Other Pervasive Developmental Disorders: An Update
Fombonne, E. (2003) · Journal of Autism and Developmental Disorders · doi:10.1023/a:1025054610557 · Cited by 1,505
How common are the "common" neurologic disorders?
Hirtz, D., Thurman, D. J., Gwinn-Hardy, K., Mohamed, M., Chaudhuri, A. R., & Zalutsky, R. (2007) · Neurology · doi:10.1212/01.wnl.0000252807.38124.a3 · Cited by 1,365
The Epidemiology of Autism Spectrum Disorders
Newschaffer, C. J., Croen, L. A., Daniels, J., Giarelli, E., Grether, J. K., Levy, S. E., Mandell, D. S., Miller, L. A., Pinto-Martin, J., Reaven, J., et al. (2007) · Annual Review of Public Health · doi:10.1146/annurev.publhealth.28.021406.144007 · Cited by 1,228
Metadata
- Authors
- Magnússon, P., & Saemundsen, E.
- Affiliations
- National University Hospital of Iceland (IS)
- ORCID
- Magnússon, Páll
- Venue
- Journal of Autism and Developmental Disorders
- Published
- 2001-04
- Volume
- 31
- Issue
- 2
- Pages
- 153-163
- ISSN
- 0162-3257 (ISSN-L)
- 1573-3432
- OpenAlex
- W1590891753
- Cited by
- 128
- References
- 51
- Citations by year
- 2023: 3 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 2 · 2018: 3 · 2017: 3 · 2016: 2 · 2015: 5 · 2014: 4 · 2013: 14 · 2012: 8
- FWCI
- 2.45
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Journal of Autism and Developmental Disorders (publishedVersion)
- PubMed (publishedVersion)
- Hirsla (Landspítali University Hospital) (submittedVersion)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Down syndrome and intellectual disability research
- Social Sciences › Psychology › Clinical Psychology › Family and Disability Support Research
- Keywords
- autism prevalence, infantile autism, childhood autism, birth cohort, ICD-10, ICD-9, autism diagnosis, ADI-R, Childhood Autism Rating Scale, intelligence level, sex ratio, age at diagnosis, Iceland
- MeSH terms
- Adolescent, Adult, Autistic Disorder, Child, Child, Preschool, Female, Humans, Iceland, Male, Intellectual Disability, Population Surveillance, Psychiatric Status Rating Scales, Cohort Studies, Prevalence, Age Distribution, Sex Distribution
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.