Brief Intervention for Tobacco and Alcohol Risk Reduction for Couple During Breast Cancer Treatment.

"The intervention is a couple brief motivational interview (CBMI) on tobacco/alcohol risk reduction, delivered in a single session and a booster session one month later.~It is based on motivational interviewing principals (patient-centered communication, expression of empathy, develops discrepancy, deal with resistance to change, support self-efficacy and autonomy), with feedback on tobacco / alcohol consumption, information delivery and if needed referral to treatment. The intervention also specifically focuses on relational dynamics, and marital support development. This intervention will be compared with a single individual brief motivational intervention (IBMI) and a booster session one month later, only delivered to the patient; and the partner receive e-mail or postal brief advices.~All brief interventions will be carried out by the same psychologist trained and supervised for this type of intervention."