Figure 2From: Impact of practitioner's training in the management of alcohol dependence: a quasi-experimental 18-month follow-up studyKaplan-Meier survival estimates attempt at abstinence, by sample. The abscissa represents follow-up duration in days. Each step is an attempt. Data are censored if attempt at abstinence does not occur. Difference between the two samples is significant in a Cox regression test with and without adjustment.Back to article page