16. How old were you when you first started smoking cigarettes regularly? (At least one cigarette every day for 30 days.)
[] This question does not apply to me because I have not done this regularly.
[] 8 years old or younger
[] 9 or 10 years old
[] 11 or 12 years old
[] 13 or 14 years old
[] 15 or 16 years old
[] 17 years or older