Motivational interview and scales used to assess the degree of motivation for treatment in drug abuse patients

OBJECTIVE: To identify and review tools used in specialized services to explore aspectos of motivation as a predictive factor of treatment outcome in drug-abusing patients. METHOD: Comprehensive literature review of scales used to assess the degree of motivation. RESULT: Four scales to evaluate stages of behavioural change related to motivation were identified and described, together with their associated psychometric properties - Rhode Island Change Assessment Questionnaire (URICA), Stages of Change Readiness and Treatment Eargness Scale (SOCRATES), Treatment Motivation Questionnaire (TMQ), Readiness to Change Questionnaire (RCQ); The first two have Portuguese validated versions. CONCLUSION: Motivacional theory has been regularly studied in the last decade, allowing the definition of pragmatic evaluation parameters in scales with validity and reliabilities that vary from good to excellent.OBJETIVO: Identificar e rever os instrumentos que explorem a motivação como fator capaz de predizer o resultado de tratamento da dependência de substâncias psicoativas e que vêm sendo utilizados na última década. MÉTODO: Revisão bibliográfica abrangente de literatura científica indexada sobre escalas que aferem o grau motivação. RESULTADO: Identificaram-se quatro instrumentos e suas propriedades psicométricas, os dois primeiros com versões validadas em português: Rhode Island Change Assessment Questionnaire (URICA), Stages of Change Readiness and Treatment Eargness Scale (SOCRATES), Treatment Motivation Questionnaire (TMQ), Readiness to Change Questionnaire (RCQ). CONCLUSÃO: A teoria motivacional vem sendo regularmente estudada na última década, permitindo avaliação pragmática de seus parâmetros por meio de escalas com validade e confiabilidades que variam de boa a excelente