• Simone Mayumi Kakubo, Mariel Mendez, Juliana Doering Silveira, Leonardo Maringolo, Conrado Nitta, SilveiraDartiu Xavier daDXDDepartment of Psychiatry, Universidade Federal de São Paulo, São Paulo, SP, Brazil., and Thiago Marques Fidalgo.
• Universidade Federal de São Paulo, São Paulo, SP, Brazil.
• Sao Paulo Med J. 2018 Mar 1; 136 (2): 157164157-164.

BackgroundThe 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 SettingCross-cultural validation study conducted in an addiction unit at a public university hospital.MethodsThis 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.ResultsThe 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).ConclusionThis study provides discriminative validity evidence for use of BADDS among Brazilian adults with substance-use disorders.

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