Nicotine craving questionnaire (CCN): psychometric properties on Mexican population

Smoker's craving is one of the most important problems in tobacco cessation treatment. The aim of this study was to elaborate a self report questionnaire to assess smoking urge. Development process was carried out in two parts: construction of items using a natural modified semantic networks method. It was administered to 42 smokers; after that, the first version of the questionnaire was answered by 222 smokers. Internal consistency was obtained and an analysis of discrimination was conducted on the items; then, a factorial analysis with varimax rotation using principal components method was carried out, resulting in 12 items on three factors that explain 76% of the variance and 0.92 Chronbach's alpha.