During the past 12 months, have you had difficulty with your sense of smell or ability to detect odors? Would you say no difficulty, a little difficulty, moderate difficulty, a lot of difficulty, or you cannot smell at all?

1 - No difficulty
2 - A little difficulty
3 - Moderate difficulty
4 - A lot of difficulty
5 - Cannot smell at all
7 - Refused
9 - Don't Know

Sample Adults 18+

1-5,RF,DK [goto SMELLCOMP_A]