| Summary: | Este estudo investigou de que modo o uso de cigarro pode estar relacionado com indicativos de Transtorno de Déficit de Atenção/Hiperatividade (TDAH) e com fatores de personalidade. Participaram 188 universitários fumantes e não fumantes de 18 a 48 anos, em Porto Alegre (Brasil). Foram utilizados o Adult Self Report Scale (ASRS), Bateria Fatorial de Personalidade (BFP) e o Alcohol, Smoking and Substance Involvement Screening Test (ASSIST). Os resultados indicaram que 21,5% dos participantes eram fumantes e 16,9% apresentaram sintomas sugestivos de TDAH. Uma análise de regressão indicou que os fatores que mais influenciaram o uso de cigarro foram o uso de álcool, hipnóticos/sedativos, ecstase e maconha. Os fatores de personalidade preditores de TDAH foram Neuroticismo, Abertura e Extroversão. A combinação de fatores de personalidade e TDAH não foi relevante para determinar o consumo de cigarro. Entretanto, foram observados indícios relacionando a severidade do uso de tabaco com características de Personalidade. === The aim of this study was to investigate how cigarette smoking can be predicted by Attention Déficit-Hyperactivity Disorder (ADHD) and personality factors combined. Participants were 188 undergraduate students, smokers and non-smokers, 17-48 years-old, in Porto Alegre (Brazil). They answered the Adult Self Report Scale (ASRS), Bateria Fatorial de Personalidade (BFP) and Alcohol, Smoking and Substance Involvement Screening Test (ASSIST) in their classrooms. About 30% of them were smokers and 16,9% presented symptoms of ADHD in ASRS. We found high levels of consumption of other drugs in this sample. A regression analysis showed that cigarrete smoking was predicted by use of alcohol, hypnotics/ sedatives, ecstase and cannabis. ADHD subtypes were associated to personality factors, Neuroticism, Openness to new experiences and Extroversion. The combined effect of personality and ADHD was not relevant to determine the cigarette smoking. However, indications were that related the severity of the cigarrette consumption with characteristics of personality.
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