“…These stages are pre-contemplation, contemplation, preparation, action, maintenance, relapse, and termination 4. The model has been used widely, showing its effectiveness in behaviors such as quitting smoking,5,6 alcohol intake,7 eating habits,8 physical activity,9,10 and use of screening tests 11,12. To evaluate the stages of change, these studies are supported by criteria constructed from proposed definitions,6,11,12 self-report questionnaires,9,13,14 or evaluating various groups of behaviours 15…”