[Telephone-based smoking cessation. Predictors of success]

To identify the predictors of successful outcome in a telephone smoking cessation program.

Observational study in the context of clinical practice in a smoking cessation clinic. The smoking cessation program was carried out by phone over a period of 3 months and follow-up for 6 months. Sociodemographic variables were analyzed, dependence, and comorbidity and the main variable was continuous abstinence at 24 weeks.

743 smokers, 43% male and 57% female, mean (SD) age: 41.9 (9.8) years. The continuous abstinence rate at 24 weeks was 37.3% (IC 95% 34.9-40.0).The multivariable model showed three variables with predictive value: no current psychiatric diagnosis, social support and the first item of Fagerström test (time to first cigarette in the morning).

Treatment outcomes of this smoking cessation program was influenced by the following variables: nicotine dependence, psychiatric disorders and social support.