Evidence map›Paper›PMID 33900814›Full record

ArticleThe American journal of psychiatry2021

Variable Emergence of Autism Spectrum Disorder Symptoms From Childhood to Early Adulthood.

Lucy Riglin, Robyn E Wootton, Ajay K Thapar, Lucy A Livingston, Kate Langley, Stephan Collishaw, Jack Tagg, George Davey Smith, Evie Stergiakouli, Kate Tilling and 1 more

Abstract read
In one paragraph

Article in The American journal of psychiatry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

29 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Identifying Neurodevelopmental Domain Subgroups in Autism and ADHD.Journal of autism and developmental disorders · 2026
    Article
  5. Article
  6. The Eph-ephrin system in neuropsychiatric and neurodevelopmental disorders.Journal of psychiatry & neuroscience : JPN · 2026
    Review
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors.

Lucy RiglinDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).
Robyn E WoottonDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).
Ajay K ThaparDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).
Lucy A LivingstonDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).
Kate LangleyDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).
Stephan CollishawDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).
Jack TaggDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).
George Davey SmithDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).
Evie StergiakouliDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).
Kate TillingDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).
Anita ThaparDivision of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics (Riglin, A.K. Thapar, Langley, Collishaw, Tagg, A. Thapar), and School of Psychology (Livingston, Langley), Cardiff University, Cardiff, U.K.; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, U.K. (Wootton, Davey Smith, Stergiakouli, Tilling).

Funding

Medical Research Council MC_UU_00011/1Medical Research Council MC_UU_00011/3Medical Research Council MR/L010305/1Wellcome Trust 102215Wellcome Trust 204895
6 · The paper itself

Abstract

objectiveAutism spectrum disorder (ASD) is currently considered an early-onset neurodevelopmental condition. Follow-up studies of clinic-ascertained autism suggest that autistic symptoms typically decline with age, although symptom improvement is limited for some. To date there have been no population-based prospective studies investigating the natural history of autistic symptoms from childhood to adulthood. The aim of this study was to characterize the development and heterogeneity of autistic symptoms in a population-based cohort from childhood to age 25.

methodsData were analyzed in a prospective U.K. population-based cohort (ALSPAC). Trajectories were derived using five assessments of the parent-rated Social and Communication Disorders Checklist (SCDC) spanning ages 7-25. Additional measures were used to validate symptom trajectories.

resultsThree distinct SCDC symptom trajectory classes were identified: low (88.5%), declining (5.0%), and late-emerging (6.5%). Both the declining and late-emerging trajectory classes were associated with child and adult ASD measures, low IQ, communication problems, peer problems, and worse adult functioning compared with the low trajectory class. Male sex was associated with a higher likelihood of being in the declining trajectory class (odds ratio=2.84, 95% CI=2.19, 3.69). This sex difference was not observed in the late-emerging class (odds ratio=1.00, 95% CI=0.80, 1.24) compared with the low trajectory class.

conclusionsASD symptom levels that emerged early tended to decline across development, although impairment was still present in adulthood for some. For others, autistic symptoms emerged across adolescence and adulthood. This challenges our current understanding that ASD symptoms inevitably first manifest early in development.

Indexed as

Activities of Daily LivingAdolescentAdultAge of OnsetAutism Spectrum DisorderChecklistChildCommunicationDisease ProgressionFemaleHumansIntelligenceLongitudinal StudiesMaleProspective StudiesSeverity of Illness IndexAdultALSPACAutism Spectrum DisorderLate-OnsetLongitudinalNeurodevelopmental Disorders

Identifiers

PMID33900814
PMCPMC7611492

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.