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The 10‐year trajectory of aggressive behaviours in autistic individuals.

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Title: The 10‐year trajectory of aggressive behaviours in autistic individuals.
Authors: Laverty, C., Agar, G., Sinclair‐Burton, L., Oliver, C., Moss, J., Nelson, L., Richards, C.
Source: Journal of Intellectual Disability Research. Apr2023, Vol. 67 Issue 4, p295-309. 15p. 1 Diagram, 4 Charts.
Subjects: Caregivers, Key performance indicators (Management), Autism, Questionnaires, Descriptive statistics, Clinical medicine, Research funding, Aggression (Psychology), Predictive validity, Longitudinal method
Abstract: Background: Aggressive behaviours are common in people with neurodevelopmental conditions, contributing to poorer quality of life and placement breakdown. However, there is limited empirical research documenting the prevalence and persistence of aggressive behaviours in autism. In this longitudinal study, aggressive behaviours were investigated in a sample of autistic individuals over 10 years. Methods: Caregivers of autistic individuals, both with and without intellectual disability, completed questionnaires relating to the presence of aggressive behaviours at T1 [N = 229, mean age in years 11.8, standard deviation (SD) 5.9], T2 (T1 + 3 years, N = 81, mean age in years 15.1, SD 5.9) and T3 (T1 + 10 years, N = 54, mean age in years 24.5, SD 8.1). Analyses examined the presence and persistence of aggressive behaviours and the predictive value of established correlates of aggression. Results: Aggressive behaviours were common at baseline (61.6%) but only persistent in 30% of the sample over 10 years. Higher composite scores of overactivity and impulsivity at T1 were significantly associated with the persistence of aggressive behaviours at T2 (P = 0.027) and T3 (P = 0.012) with medium effect size. Conclusions: Aggressive behaviours are common in autism, but reduce with age. Behavioural correlates of attention deficit hyperactivity disorder (ADHD) predict the presence and persistence of aggressive behaviour and as such may be useful clinical indicators to direct proactive intervention resources to ameliorate aggressive behaviours. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Intellectual Disability Research is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: The 10‐year trajectory of aggressive behaviours in autistic individuals.
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  Data: <searchLink fieldCode="AR" term="%22Laverty%2C+C%2E%22">Laverty, C.</searchLink><br /><searchLink fieldCode="AR" term="%22Agar%2C+G%2E%22">Agar, G.</searchLink><br /><searchLink fieldCode="AR" term="%22Sinclair‐Burton%2C+L%2E%22">Sinclair‐Burton, L.</searchLink><br /><searchLink fieldCode="AR" term="%22Oliver%2C+C%2E%22">Oliver, C.</searchLink><br /><searchLink fieldCode="AR" term="%22Moss%2C+J%2E%22">Moss, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Nelson%2C+L%2E%22">Nelson, L.</searchLink><br /><searchLink fieldCode="AR" term="%22Richards%2C+C%2E%22">Richards, C.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Intellectual+Disability+Research%22">Journal of Intellectual Disability Research</searchLink>. Apr2023, Vol. 67 Issue 4, p295-309. 15p. 1 Diagram, 4 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Caregivers%22">Caregivers</searchLink><br /><searchLink fieldCode="DE" term="%22Key+performance+indicators+%28Management%29%22">Key performance indicators (Management)</searchLink><br /><searchLink fieldCode="DE" term="%22Autism%22">Autism</searchLink><br /><searchLink fieldCode="DE" term="%22Questionnaires%22">Questionnaires</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Clinical+medicine%22">Clinical medicine</searchLink><br /><searchLink fieldCode="DE" term="%22Research+funding%22">Research funding</searchLink><br /><searchLink fieldCode="DE" term="%22Aggression+%28Psychology%29%22">Aggression (Psychology)</searchLink><br /><searchLink fieldCode="DE" term="%22Predictive+validity%22">Predictive validity</searchLink><br /><searchLink fieldCode="DE" term="%22Longitudinal+method%22">Longitudinal method</searchLink>
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  Data: Background: Aggressive behaviours are common in people with neurodevelopmental conditions, contributing to poorer quality of life and placement breakdown. However, there is limited empirical research documenting the prevalence and persistence of aggressive behaviours in autism. In this longitudinal study, aggressive behaviours were investigated in a sample of autistic individuals over 10 years. Methods: Caregivers of autistic individuals, both with and without intellectual disability, completed questionnaires relating to the presence of aggressive behaviours at T1 [N = 229, mean age in years 11.8, standard deviation (SD) 5.9], T2 (T1 + 3 years, N = 81, mean age in years 15.1, SD 5.9) and T3 (T1 + 10 years, N = 54, mean age in years 24.5, SD 8.1). Analyses examined the presence and persistence of aggressive behaviours and the predictive value of established correlates of aggression. Results: Aggressive behaviours were common at baseline (61.6%) but only persistent in 30% of the sample over 10 years. Higher composite scores of overactivity and impulsivity at T1 were significantly associated with the persistence of aggressive behaviours at T2 (P = 0.027) and T3 (P = 0.012) with medium effect size. Conclusions: Aggressive behaviours are common in autism, but reduce with age. Behavioural correlates of attention deficit hyperactivity disorder (ADHD) predict the presence and persistence of aggressive behaviour and as such may be useful clinical indicators to direct proactive intervention resources to ameliorate aggressive behaviours. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of Intellectual Disability Research is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=162242225
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        Value: 10.1111/jir.13004
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        Type: general
      – SubjectFull: Key performance indicators (Management)
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      – SubjectFull: Autism
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      – SubjectFull: Descriptive statistics
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      – SubjectFull: Research funding
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      – SubjectFull: Aggression (Psychology)
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      – SubjectFull: Longitudinal method
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      – TitleFull: The 10‐year trajectory of aggressive behaviours in autistic individuals.
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              Text: Apr2023
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