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Attention deficit hyperactivity disorder late birthdate effect common in both high and low prescribing international jurisdictions: a systematic review / M. WHITELY in Journal of Child Psychology and Psychiatry, 60-4 (April 2019)
[article]
Titre : Attention deficit hyperactivity disorder late birthdate effect common in both high and low prescribing international jurisdictions: a systematic review Type de document : Texte imprimé et/ou numérique Auteurs : M. WHITELY, Auteur ; M. RAVEN, Auteur ; S. TIMIMI, Auteur ; J. JUREIDINI, Auteur ; J. PHILLIMORE, Auteur ; J. LEO, Auteur ; J. MONCRIEFF, Auteur ; P. LANDMAN, Auteur Article en page(s) : p.380-391 Langues : Anglais (eng) Mots-clés : Adhd late birthdate relative age Index. décimale : PER Périodiques Résumé : BACKGROUND: Multiple studies have found that the youngest children in a classroom are at elevated risk of being diagnosed with, or medicated for, ADHD. This systematic review was conducted to investigate whether this late birthdate effect is the norm and whether the strength of effect is related to the absolute risk of being diagnosed/medicated. METHODS: A literature search of the PubMed and ERIC databases and snowball and grey literature searching were conducted. RESULTS: A total of 19 studies in 13 countries covering over 15.4 million children investigating this relationship were identified. Three other studies exploring related topics were identified. The diversity of methodologies prevented a meta-analysis. Instead a systematic review of the 22 studies was conducted. A total of 17 of the 19 studies found that the youngest children in a school year were considerably more likely to be diagnosed and/or medicated than their older classmates. Two Danish studies found either a weak or no late birth date effect. There was no consistent relationship between per-capita diagnosis or medication rates and the strength of the relative age effect, with strong effects reported in most jurisdictions with comparatively low rates. CONCLUSIONS: It is the norm internationally for the youngest children in a classroom to be at increased risk of being medicated for ADHD, even in jurisdictions with relatively low prescribing rates. A lack of a strong effect in Denmark may be accounted for by the common practice of academic 'redshirting', where children judged by parents as immature have a delayed school start. Redshirting may prevent and/or disguise late birthdate effects and further research is warranted. The evidence of strong late birthdate effects in jurisdictions with comparatively low diagnosis/medication rates challenges the notion that low rates indicate sound diagnostic practices. En ligne : https://dx.doi.org/10.1111/jcpp.12991 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=388
in Journal of Child Psychology and Psychiatry > 60-4 (April 2019) . - p.380-391[article] Attention deficit hyperactivity disorder late birthdate effect common in both high and low prescribing international jurisdictions: a systematic review [Texte imprimé et/ou numérique] / M. WHITELY, Auteur ; M. RAVEN, Auteur ; S. TIMIMI, Auteur ; J. JUREIDINI, Auteur ; J. PHILLIMORE, Auteur ; J. LEO, Auteur ; J. MONCRIEFF, Auteur ; P. LANDMAN, Auteur . - p.380-391.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 60-4 (April 2019) . - p.380-391
Mots-clés : Adhd late birthdate relative age Index. décimale : PER Périodiques Résumé : BACKGROUND: Multiple studies have found that the youngest children in a classroom are at elevated risk of being diagnosed with, or medicated for, ADHD. This systematic review was conducted to investigate whether this late birthdate effect is the norm and whether the strength of effect is related to the absolute risk of being diagnosed/medicated. METHODS: A literature search of the PubMed and ERIC databases and snowball and grey literature searching were conducted. RESULTS: A total of 19 studies in 13 countries covering over 15.4 million children investigating this relationship were identified. Three other studies exploring related topics were identified. The diversity of methodologies prevented a meta-analysis. Instead a systematic review of the 22 studies was conducted. A total of 17 of the 19 studies found that the youngest children in a school year were considerably more likely to be diagnosed and/or medicated than their older classmates. Two Danish studies found either a weak or no late birth date effect. There was no consistent relationship between per-capita diagnosis or medication rates and the strength of the relative age effect, with strong effects reported in most jurisdictions with comparatively low rates. CONCLUSIONS: It is the norm internationally for the youngest children in a classroom to be at increased risk of being medicated for ADHD, even in jurisdictions with relatively low prescribing rates. A lack of a strong effect in Denmark may be accounted for by the common practice of academic 'redshirting', where children judged by parents as immature have a delayed school start. Redshirting may prevent and/or disguise late birthdate effects and further research is warranted. The evidence of strong late birthdate effects in jurisdictions with comparatively low diagnosis/medication rates challenges the notion that low rates indicate sound diagnostic practices. En ligne : https://dx.doi.org/10.1111/jcpp.12991 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=388 Younger children experience lower levels of language competence and academic progress in the first year of school: evidence from a population study / Courtenay F. NORBURY in Journal of Child Psychology and Psychiatry, 57-1 (January 2016)
[article]
Titre : Younger children experience lower levels of language competence and academic progress in the first year of school: evidence from a population study Type de document : Texte imprimé et/ou numérique Auteurs : Courtenay F. NORBURY, Auteur ; Debbie GOOCH, Auteur ; Gillian BAIRD, Auteur ; Tony CHARMAN, Auteur ; Emily SIMONOFF, Auteur ; Andrew PICKLES, Auteur Article en page(s) : p.65-73 Langues : Anglais (eng) Mots-clés : Relative age language impairment behaviour problems academic achievement Index. décimale : PER Périodiques Résumé : Background The youngest children in an academic year are reported to be educationally disadvantaged and overrepresented in referrals to clinical services. In this study we investigate for the first time whether these disadvantages are indicative of a mismatch between language competence at school entry and the academic demands of the classroom. Methods We recruited a population sample of 7,267 children aged 4 years 9 months to 5 years 10 months attending state-maintained reception classrooms in Surrey, England. Teacher ratings on the Children's Communication Checklist-Short (CCC-S), a measure of language competence, the Strengths and Difficulties Questionnaire-Total Difficulties Score (SDQ), a measure of behavioural problems, and the Early Years Foundation Stage Profile (EYFSP), a measure of academic attainment, were obtained at the end of the reception year. Results The youngest children were rated by teachers as having more language deficits, behaviour problems, and poorer academic progress at the end of the school year. Language deficits were highly associated with behaviour problems; adjusted odds ratio 8.70, 95% CI [7.25–10.45]. Only 4.8% of children with teacher-rated language deficits and 1.3% of those with co-occurring language and behaviour difficulties obtained a ‘Good Level of Development’ on the EYFSP. While age predicted unique variance in academic attainment (1%), language competence was the largest associate of academic achievement (19%). Conclusion The youngest children starting school have relatively immature language and behaviour skills and many are not yet ready to meet the academic and social demands of the classroom. At a population level, developing oral language skills and/or ensuring academic targets reflect developmental capacity could substantially reduce the numbers of children requiring specialist clinical services in later years. En ligne : http://dx.doi.org/10.1111/jcpp.12431 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=273
in Journal of Child Psychology and Psychiatry > 57-1 (January 2016) . - p.65-73[article] Younger children experience lower levels of language competence and academic progress in the first year of school: evidence from a population study [Texte imprimé et/ou numérique] / Courtenay F. NORBURY, Auteur ; Debbie GOOCH, Auteur ; Gillian BAIRD, Auteur ; Tony CHARMAN, Auteur ; Emily SIMONOFF, Auteur ; Andrew PICKLES, Auteur . - p.65-73.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 57-1 (January 2016) . - p.65-73
Mots-clés : Relative age language impairment behaviour problems academic achievement Index. décimale : PER Périodiques Résumé : Background The youngest children in an academic year are reported to be educationally disadvantaged and overrepresented in referrals to clinical services. In this study we investigate for the first time whether these disadvantages are indicative of a mismatch between language competence at school entry and the academic demands of the classroom. Methods We recruited a population sample of 7,267 children aged 4 years 9 months to 5 years 10 months attending state-maintained reception classrooms in Surrey, England. Teacher ratings on the Children's Communication Checklist-Short (CCC-S), a measure of language competence, the Strengths and Difficulties Questionnaire-Total Difficulties Score (SDQ), a measure of behavioural problems, and the Early Years Foundation Stage Profile (EYFSP), a measure of academic attainment, were obtained at the end of the reception year. Results The youngest children were rated by teachers as having more language deficits, behaviour problems, and poorer academic progress at the end of the school year. Language deficits were highly associated with behaviour problems; adjusted odds ratio 8.70, 95% CI [7.25–10.45]. Only 4.8% of children with teacher-rated language deficits and 1.3% of those with co-occurring language and behaviour difficulties obtained a ‘Good Level of Development’ on the EYFSP. While age predicted unique variance in academic attainment (1%), language competence was the largest associate of academic achievement (19%). Conclusion The youngest children starting school have relatively immature language and behaviour skills and many are not yet ready to meet the academic and social demands of the classroom. At a population level, developing oral language skills and/or ensuring academic targets reflect developmental capacity could substantially reduce the numbers of children requiring specialist clinical services in later years. En ligne : http://dx.doi.org/10.1111/jcpp.12431 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=273