Table 2.

Focus group discussion guide

Discussion question	Theme
What do you know about lung cancer?	Knowledge about lung cancer, diagnosis, treatment, prognosis
What do you think increases someone’s chance of developing lung cancer?	Knowledge & perceptions about causes
Is there something you could do to reduce/prevent lung cancer? What do you think causes lung cancer?	Knowledge & perceptions about causes
What symptoms and warning signs do you think could be associated with lung cancer?	Knowledge & perceptions about sentinel symptoms
What do you think when you hear someone has lung cancer?	Perceived severity and prognosis
Who do you think is most likely to develop lung cancer?	Perceived risk & susceptibility
Do you think that you are at risk of developing lung cancer?	Perceived risk & susceptibility
What would you do if you had symptoms consistent with lung cancer?	Help-seeking behaviours