The transtheoretical model (TTM) questionnaire for smoking cessation: psychometric properties of the Iranian version

摘要

BackgroundThe transtheoretical model (TTM) is a common framework for studies of smoking cessation. Using the TTM, several instruments were developed to measure to what extent interventions could make changes in people’s behavior. The current study aimed to test the validity and reliability of the Persian version of a TTM based questionnaire for smoking cessation in Iran.