Do you smoke？
Yes
No
No, but I use to smoke
How long do you smoke?
Less than 2 years
2 years
More than 10 years
Never
Why you decide to quit smoking?
Health reasons
Smoking in public area is not so convenient
Cigarettes are expensive
Others
Don’t smoke
Still smoke
Any of your family members or friends smoke?
When did you start smoking?
12-18 years old
18-22 years old
22-30 years old
More than 30 years old
Don’t smoke
Do you know 2nd or 3rd hand smoke harmful to your health?
What are the most difficult part in trying to quit smoking?
Carving
Habit
Social influence (ex.friends)
Others
Don’t smoke
Why do you smoke?
For fun
Friends offer me
Relief stress
Others
Don’t smoke
Do you think that anti smoking awareness/campaign is enough?
What methods did you use when trying to quit?
Vaping
Patches
Gum
Others
Don’t smoke
Do you easily access to cigarette?
Do you think the enforcement of government regulation is effective?
What would your advice be to other people regarding smoking?
What do you think about the selling price of cigarettes?
Expensive
Reasonable
Don’t know
Are you willing to educate/convince people around you to avoid/quit smoking?
Is it convenient for you to smoke at anytime？
Yes
No
Sometimes
Don’t smoke
Do you agree that smoking is threatening your life?
Yes
No
Not sure
Don’t smoke