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Sao Paulo Med J. 2018 Apr 23;136(2):157-164. doi: 10.1590/1516-3180.2017.0227121217. Print 2018 Mar-Apr.

Translation and validation of the Brown attention-deficit disorder scale for use in Brazil: identifying cases of attention-deficit/hyperactivity disorder among samples of substance users and non-users. Cross-cultural validation study.

Author information

1
Universidade Federal de São Paulo, São Paulo, SP, Brazil.
2
Mailman School of Public Health, Columbia University, New York, USA.
3
Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, SP, Brazil.

Abstract

BACKGROUND:

The Brown Attention-Deficit Disorder Scale (BADDS) was developed as a self-report assessment that was designed to screen for presence of symptoms of attention deficit hyperactivity disorder (ADHD). The objective here was to translate and validate the adult self-report BADDS for use in Brazil.

DESIGN AND SETTING:

Cross-cultural validation study conducted in an addiction unit at a public university hospital.

METHODS:

This study included a control group (n = 100) and a drug-user group (n = 100). Both groups included subjects aged 18 to 60 years old. The control group had no prior diagnosis of drug addiction and the drug-user group included participants with a diagnosis of addiction. Each participant answered Brazilian Portuguese translations of both the BADDS and the Adult Attention Deficit Hyperactivity Disorder Self-Report Scale (ASRS) questionnaires, in paper-and-pencil format.

RESULTS:

The drug-user group scored higher than the control group on both scales. The mean scores on ASRS were 27.26 (standard deviation, SD: 11.99) and 25.85 (SD: 8.65) respectively (P > 0.05). The mean scores on BADDS were 79.56 (SD: 29.61) and 79.31 (SD: 18.09), respectively (P > 0.05). Cronbach's alpha for BADDS was 0.95. BADDS presented fair sensitivity (72% accuracy) and fair specificity (88% accuracy).

CONCLUSION:

This study provides discriminative validity evidence for use of BADDS among Brazilian adults with substance-use disorders.

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