Table 1 Items used to assess three potential mediators

• Importance: How important is it for you to quit smoking?

• (10-point scale ranging from 1 = “Not important” to 10 = “Very important”)

• Confidence: How confident are you that you will be able to quit smoking?

• (10-point scale ranging from 1 = “Not at all” to 10 = “Very confident”)

• Know-how: How well do you know how to quit smoking?

• (10-point scale ranging from 1 = “Not well at all” to 10 = “Very well”)