Effectiveness of motivational interviewing in smoking groups in primary healthcare: a community-based randomized cluster trial

Smoking is the main cause of avoidable death and a major public health problem worldwide, with primary healthcare being strategic setting for treating this problem. Aims: to evaluate effectiveness motivational interviewing associated cognitive behavioral therapy (CBT) in smoking groups healthcare. A community-based cluster randomized clinical trial was conducted Brazil, starting July 2016. Professionals test group were trained eight hours associate it CBT. The usual treatment cessation consists four structured weekly sessions 90 minutes each using Taylor’s linearization used correct p-values; chi-square Pearson correlation categorical variables, analysis variance as well Student t-test continuous variables. In total, 44 conducted, totaling 329 patients (178 151 control group). rate 61.8%, RR = 1.25 (95%CI: 1.01-1.54, p 0.043), 47.7% group, fourth session. Mean session attendance 3.1 2.9-3.3) 2.9 2.5-3.4) group. completion 65.2% 57.6%. Motivational CBT shown be effective superior only population profile study (women an average age 50.6 years).