PUBLICAÇÕES científicas

Validation of a Spanish-language version of the ADHD Rating Scale IV in a Spanish sample

Vallejo-Valdivielso M (1), Soutullo CA (2), de Castro-Manglano P (2), Marín-Méndez JJ (3), Díez-Suárez A (3). (1) Unidad de Psiquiatría Infantil y Adolescente, Departamento de Psiquiatría y Psicología Médica, Clínica Universidad de Navarra, Pamplona, Navarra, España.
(2) Unidad de Psiquiatría Infantil y Adolescente, Departamento de Psiquiatría y Psicología Médica, Clínica Universidad de Navarra, Pamplona, Navarra, España; Unidad de Psiquiatría Infantil y Adolescente, Departamento de Psiquiatría y Psicología Médica, Clínica Universidad de Navarra, Madrid, España; Instituto de Investigación Sanitaria de Navarra (IDISNA), Navarra, Pamplona, España.
(3) Unidad de Psiquiatría Infantil y Adolescente, Departamento de Psiquiatría y Psicología Médica, Clínica Universidad de Navarra, Pamplona, Navarra, España; Instituto de Investigación Sanitaria de Navarra (IDISNA), Navarra, Pamplona, España.

Revisão:Neurología

Data: 14/Jul/2017

Psiquiatria e Psicologia Clínica [ES] Unidad de Psiquiatría infantil y adolescente [ES]

OBJECTIVES:
The purpose of this study is to validate a Spanish-language version of the 18-item ADHD Rating Scale-IV (ADHD-RS-IV.es) in a Spanish sample.

METHODS:
From a total sample of 652 children and adolescents aged 6 to 17 years (mean age was 11.14±3.27), we included 518 who met the DSM-IV-TR criteria for ADHD and 134 healthy controls.

To evaluate the factorial structure, validity, and reliability of the scale, we performed a confirmatory factor analysis (CFA) using structural equation modelling on a polychoric correlation matrix and maximum likelihood estimation. The scale's discriminant validity and predictive value were estimated using ROC (receiver operating characteristics) curve analysis.

RESULTS:
Both the full scale and the subscales of the Spanish-language version of the ADHD-RS-IV showed good internal consistency. Cronbach's alpha was 0.94 for the full scale and ≥ 0.90 for the subscales, and ordinal alpha was 0.95 and ≥ 0.90, respectively.

CFA showed that a two-factor model (inattention and hyperactivity/impulsivity) provided the best fit for the data. ADHD-RS-IV.es offered good discriminant ability to distinguish between patients with ADHD and controls (AUC=0.97).

CONCLUSIONS:
The two-factor structure of the Spanish-language version of the ADHD-RS-IV (ADHD-RS-IV.es) is consistent with those of the DSM-IV-TR and DSM-5 as well as with the model proposed by the author of the original scale.

Furthermore, it has good discriminant ability. ADHD-RS-IV.es is therefore a valid and reliable tool for determining presence and severity of ADHD symptoms in the Spanish population.

CITAÇÃO DO ARTIGO  Neurologia. 2017 Jul 14. pii: S0213-4853(17)30224-4. doi: 10.1016/j.nrl.2017.05.010

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