reSumo objetivos: Os objetivos deste estudo foram traduzir, adaptar culturalmente e verificar a equivalência literal, semântica e idiomática da Barratt Impulsiveness Scale (BIS-11), que avalia a presença de manifestações da impulsividade tendo como base o modelo teórico proposto por Ernst Barratt. métodos: Inicialmente, a versão original em inglês da BIS-11 foi traduzida para o português por seis pesquisadores bilíngues. Em seguida, foi realizada uma tradução reversa para o inglês por uma tradutora de origem norte-americana. As versões original, traduzida e retraduzida foram avaliadas por um comitê de juízes especialistas, os quais emitiram pareceres com as observações pertinentes, o que culminou em uma versão final traduzida da BIS-11. As versões original e traduzida foram aplicadas em duas amostras da população geral com proficiência na língua inglesa, a fim de investigar a equivalência literal, semântica e idiomática da versão traduzida por meio de análises de correlação. conclusão: Os resultados das análises quantitativas indicaram que a versão final do instrumento é satisfatória. (original, translated and back-translated) abStract Objectives: The objective of this study was to translate, make transcultural adaptation and assess the semantic, idiomatic and literal equivalence of the Barratt Impulsiveness Scale (BIS-11). Methods: This scale assesses the presence of impulsive manifestations from the theoretical model proposed by Ernst Barratt. Firstly, the BIS-11 original version in English was translated to Portuguese by six bilingual researches. After this, was made the back-translation to English by a translator that was born in United States. Then, the three versions

Objective: The Barratt Impulsiveness Scale (BIS-11) is a valid and reliable instrument, and one of the most often used tools to assess impulsivity. This study assesses the performance of a large sample of adults by using a version of BIS-11 adapted to Brazilian Portuguese. Methods: We assessed 3,053 adults from eight Brazilian states. Internal consistencies and performance data were presented for two correction criteria of BIS-11: original and the two-factor score. Results: The associations between age, sex, region, and education and the BIS-11 scores present very small effect sizes. Therefore, we provided a percentile rank parameter for the different BIS-11 subscores considering the whole sample. Given the internal consistency of the two correction systems, we found that only the two-factor system fulfills the psychometric criteria of Cronbach's alpha (cutoff value of at least 0.6). Conclusion: Our results support the use of the Brazilian adaptation of BIS-11 in different regions of the country as a measure of impulsivity. Since high impulsiveness is a characteristic of several dysfunctional behaviors, the establishment of normative parameters is of utmost relevance and should be extended to other age ranges and populations in future studies.

The translation and adaptation processes were successful for both scales, resulting in versions that are not only equivalent to the originals, but are also intelligible for the population at large.

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Background Studies into the mental health of firefighters have primarily focussed on individual factors (e.g. biological and psychological factors). Little is known about how exposure to traumatic events and psychosocial and organizational work factors influence firefighters’ mental health despite the evidence that these are important for employee health. Aims To study job demands, job control, social support and operational trauma as predictors of firefighters’ psychiatric morbidity, and whether job control and social support moderate these relationships. Methods Participants were drawn from a longitudinal cohort study of firefighters in Brazil. Portuguese-language variants of the Self-Report Questionnaire (SRQ-20) and Traumatic Events List for Emergency Professionals measured psychiatric morbidity and exposure to traumatic events. Job demands, job control and social support were measured by the Job Stress Scale. Hierarchical regressions were run controlling for socio-demographics and previous psychiatric morbidity. Subsequent regression steps first included the proposed predictors followed by their interactions. Results Thirteen per cent of the sample (n = 40/312) met the caseness criteria indicating psychiatric morbidity. Operational trauma, job demands, job control and social support predicted psychiatric morbidity. Both job control and social support functioned as moderators and where these moderators were high, the job demands and psychiatric morbidity relationships were weaker. Conclusions These findings show that psychosocial factors and operational trauma predict firefighters’ psychiatric morbidity. Crucially, the results that improving social support and job control could mitigate the detrimental influence of job demands highlight the need for more research and practice towards organizational-level interventions.

Health-related quality of life (HRQOL) is an important marker for health-related impacts on individuals with chronic diseases. This HRQOL study compares multiple sclerosis (MS) patients to a socio-demographically-matched healthy control group. HRQOL was assessed by means of a modular instrument (DEFU/DEFIS), which allows comparisons between diseased and healthy individuals. Main goal of the study was to obtain pertinent data to build a more reliable theoretical framework concerning HRQOL in MS. Another aim was to test the hypothesis of the so-called happiness paradox, according to which disabled individuals could maintain reasonable levels of HRQOL. Results show that MS individuals present lower levels of HRQOL in comparison to healthy controls, arguing against the happiness paradox hypothesis. Preservation of HRQOL levels against certain levels of disability may be restricted to a group of patients. Key words: multiple sclerosis, health related quality of life, DEFU/DEFIS, happiness paradox.Mantendo a qualidade de vida na esclerose múltipla: fato, ficção ou realidade circunscrita? resuMo A qualidade de vida relacionada à saúde (QVRS) é um indicador importante do impacto das doenças crônicas sobre a vida dos indivíduos. Esse estudo propõe uma comparação da qualidade de vida de uma amostra de portadores de esclerose múltipla (EM) e uma amostra pareada de indivíduos saudáveis, avaliada pelos questionários DEFU / DEFIS. O objetivo é contribuir para a construção de um referencial teórico a respeito do impacto das doenças crônicas e de seus tratamentos no bem-estar dos pacientes, assim como de investigar a hipótese do paradoxo da felicidade, segundo a qual os pacientes manteriam um bom nível de sensação de bem-estar apesar de suas incapacidades causadas pela doença. Os resultados mostraram que pacientes com EM apresentam graus mais baixos de QVRS do que indivíduos sadios, o que não corrobora a existência do paradoxo da felicidade. No entanto, é possível que a preservação da QVRS apesar das vicissitudes associadas à doença possa ser restrita a um grupo de pacientes. Palavras-chave: esclerose múltipla, qualidade de vida relacionada à saúde, DEFU/DEFIS, paradoxo da felicidade.