ADHD in a representative sample of the Brazilian population: estimated prevalence and comparative adequacy of criteria between adolescents and adults according to the item response theory
Background: Attention deficit hyperactivity disorder (ADHD) is a clinically significant disorder in adulthood, but current diagnostic criteria and instruments do not seem to adequately capture the complexity of the disorder in this developmental phase. Accordingly, there are limited data on the prop...
| Autores: | , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2010 |
| País: | Brasil |
| Institución: | Universidade Federal de São Paulo (UNIFESP) |
| Repositorio: | Repositório Institucional da UNIFESP |
| Idioma: | inglés |
| OAI Identifier: | oai:repositorio.unifesp.br:11600/32832 |
| Acceso en línea: | http://dx.doi.org/10.1002/mpr.319 http://repositorio.unifesp.br/handle/11600/32832 |
| Access Level: | acceso abierto |
| Palabra clave: | attention-deficit/hyperactivity disorder WHO ASRS screener adult prevalence epidemiology |
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ADHD in a representative sample of the Brazilian population: estimated prevalence and comparative adequacy of criteria between adolescents and adults according to the item response theoryattention-deficit/hyperactivity disorderWHO ASRS screeneradultprevalenceepidemiologyBackground: Attention deficit hyperactivity disorder (ADHD) is a clinically significant disorder in adulthood, but current diagnostic criteria and instruments do not seem to adequately capture the complexity of the disorder in this developmental phase. Accordingly, there are limited data on the proportion of adults affected by the disorder, specially in developing countries.Method: We assessed a representative household sample of the Brazilian population for ADHD with the Adult ADHD Self-report Scale (ASRS) Screener, and evaluated the instrument according to the Rasch model of item response theory.Results: the sample was comprised by 3007 individuals, and the overal prevalence of positive screeners for ADHD was 5.8% [95% confidence interval (CI), 4.8-7.0]. Rasch analyses revealed the misfitt of the overall sample to expectations of the model. the evaluation of the sample stratified by age revealed that data for adolescents showed a signficant fittnes to the model expectations, while items completed by adults were not adequated.Conclusions: the lack of fitness to the model for adult respondents challenges the possibility of a linear transformation of the ordinal data into interval measures and the utilization of parametric analyses of data. This result suggests that diagnostic criteria and instruments for adult ADHD must take into account a developmental perspective. Moreover, it calls for further evaluation of currently employed research methods in light of modern theories of psychometrics. Copyright (C) 2010 John Wiley & Sons, Ltd.Univ Fed Rio Grande do Sul, Hosp Clin Porto Alegre, ADHD Program, BR-90035003 Porto Alegre, RS, BrazilUniv São Paulo, Sch Med, Dept Psychiat, BR-05508 São Paulo, BrazilUniversidade Federal de São Paulo, UNIAD, Dept Psychiat, São Paulo, BrazilUniv Fed Santa Catarina, BR-88040900 Florianopolis, SC, BrazilUniv Texas Houston, Sch Publ Hlth, Houston, TX USAUniversidade Federal de São Paulo, UNIAD, Dept Psychiat, São Paulo, BrazilWeb of ScienceSecretaria Nacional Antidrogas, Federal Government of BrazilAbbottBristol-Myers SquibbEli-LillyJanssen-CilagNovartisShireWiley-BlackwellUniv Fed Rio Grande do SulUniversidade de São Paulo (USP)Universidade Federal de São Paulo (UNIFESP)Universidade Federal de Santa Catarina (UFSC)Univ Texas Houston2016-01-24T14:05:21Z2016-01-24T14:05:21Z2010-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion177-184http://dx.doi.org/10.1002/mpr.319International Journal of Methods in Psychiatric Research. Chichester: John Wiley & Sons Ltd, v. 19, n. 3, p. 177-184, 2010.10.1002/mpr.3191049-8931http://repositorio.unifesp.br/handle/11600/32832WOS:000282351400005ark:/48912/00130000245xcengInternational Journal of Methods in Psychiatric Researchinfo:eu-repo/semantics/openAccesshttp://olabout.wiley.com/WileyCDA/Section/id-406071.htmlreponame:Repositório Institucional da UNIFESPinstname:Universidade Federal de São Paulo (UNIFESP)instacron:UNIFESPPolanczyk, GuilhermeLaranjeira, Ronaldo [UNIFESP]Zaleski, Marcos [UNIFESP]Pinsky, Ilana [UNIFESP]Caetano, RaulRohde, Luis Augusto2016-01-24T12:05:21Zoai:repositorio.unifesp.br:11600/32832Repositório InstitucionalPUBhttp://www.repositorio.unifesp.br/oai/requestbiblioteca.csp@unifesp.bropendoar:34652016-01-24T12:05:21Repositório Institucional da UNIFESP - Universidade Federal de São Paulo (UNIFESP)false |
| dc.title.none.fl_str_mv |
ADHD in a representative sample of the Brazilian population: estimated prevalence and comparative adequacy of criteria between adolescents and adults according to the item response theory |
| title |
ADHD in a representative sample of the Brazilian population: estimated prevalence and comparative adequacy of criteria between adolescents and adults according to the item response theory |
| spellingShingle |
ADHD in a representative sample of the Brazilian population: estimated prevalence and comparative adequacy of criteria between adolescents and adults according to the item response theory Polanczyk, Guilherme attention-deficit/hyperactivity disorder WHO ASRS screener adult prevalence epidemiology |
| title_short |
ADHD in a representative sample of the Brazilian population: estimated prevalence and comparative adequacy of criteria between adolescents and adults according to the item response theory |
| title_full |
ADHD in a representative sample of the Brazilian population: estimated prevalence and comparative adequacy of criteria between adolescents and adults according to the item response theory |
| title_fullStr |
ADHD in a representative sample of the Brazilian population: estimated prevalence and comparative adequacy of criteria between adolescents and adults according to the item response theory |
| title_full_unstemmed |
ADHD in a representative sample of the Brazilian population: estimated prevalence and comparative adequacy of criteria between adolescents and adults according to the item response theory |
| title_sort |
ADHD in a representative sample of the Brazilian population: estimated prevalence and comparative adequacy of criteria between adolescents and adults according to the item response theory |
| dc.creator.none.fl_str_mv |
Polanczyk, Guilherme Laranjeira, Ronaldo [UNIFESP] Zaleski, Marcos [UNIFESP] Pinsky, Ilana [UNIFESP] Caetano, Raul Rohde, Luis Augusto |
| author |
Polanczyk, Guilherme |
| author_facet |
Polanczyk, Guilherme Laranjeira, Ronaldo [UNIFESP] Zaleski, Marcos [UNIFESP] Pinsky, Ilana [UNIFESP] Caetano, Raul Rohde, Luis Augusto |
| author_role |
author |
| author2 |
Laranjeira, Ronaldo [UNIFESP] Zaleski, Marcos [UNIFESP] Pinsky, Ilana [UNIFESP] Caetano, Raul Rohde, Luis Augusto |
| author2_role |
author author author author author |
| dc.contributor.none.fl_str_mv |
Univ Fed Rio Grande do Sul Universidade de São Paulo (USP) Universidade Federal de São Paulo (UNIFESP) Universidade Federal de Santa Catarina (UFSC) Univ Texas Houston |
| dc.subject.por.fl_str_mv |
attention-deficit/hyperactivity disorder WHO ASRS screener adult prevalence epidemiology |
| topic |
attention-deficit/hyperactivity disorder WHO ASRS screener adult prevalence epidemiology |
| description |
Background: Attention deficit hyperactivity disorder (ADHD) is a clinically significant disorder in adulthood, but current diagnostic criteria and instruments do not seem to adequately capture the complexity of the disorder in this developmental phase. Accordingly, there are limited data on the proportion of adults affected by the disorder, specially in developing countries.Method: We assessed a representative household sample of the Brazilian population for ADHD with the Adult ADHD Self-report Scale (ASRS) Screener, and evaluated the instrument according to the Rasch model of item response theory.Results: the sample was comprised by 3007 individuals, and the overal prevalence of positive screeners for ADHD was 5.8% [95% confidence interval (CI), 4.8-7.0]. Rasch analyses revealed the misfitt of the overall sample to expectations of the model. the evaluation of the sample stratified by age revealed that data for adolescents showed a signficant fittnes to the model expectations, while items completed by adults were not adequated.Conclusions: the lack of fitness to the model for adult respondents challenges the possibility of a linear transformation of the ordinal data into interval measures and the utilization of parametric analyses of data. This result suggests that diagnostic criteria and instruments for adult ADHD must take into account a developmental perspective. Moreover, it calls for further evaluation of currently employed research methods in light of modern theories of psychometrics. Copyright (C) 2010 John Wiley & Sons, Ltd. |
| publishDate |
2010 |
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2010-09-01 2016-01-24T14:05:21Z 2016-01-24T14:05:21Z |
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info:eu-repo/semantics/article |
| dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
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article |
| status_str |
publishedVersion |
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http://dx.doi.org/10.1002/mpr.319 International Journal of Methods in Psychiatric Research. Chichester: John Wiley & Sons Ltd, v. 19, n. 3, p. 177-184, 2010. 10.1002/mpr.319 1049-8931 http://repositorio.unifesp.br/handle/11600/32832 WOS:000282351400005 |
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ark:/48912/00130000245xc |
| url |
http://dx.doi.org/10.1002/mpr.319 http://repositorio.unifesp.br/handle/11600/32832 |
| identifier_str_mv |
International Journal of Methods in Psychiatric Research. Chichester: John Wiley & Sons Ltd, v. 19, n. 3, p. 177-184, 2010. 10.1002/mpr.319 1049-8931 WOS:000282351400005 ark:/48912/00130000245xc |
| dc.language.iso.fl_str_mv |
eng |
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eng |
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International Journal of Methods in Psychiatric Research |
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info:eu-repo/semantics/openAccess http://olabout.wiley.com/WileyCDA/Section/id-406071.html |
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177-184 |
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Wiley-Blackwell |
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Wiley-Blackwell |
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reponame:Repositório Institucional da UNIFESP instname:Universidade Federal de São Paulo (UNIFESP) instacron:UNIFESP |
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