63774-4

At this job or business, that is at your employer, in your occupation, how many hours per day can you smell the smoke from other peoples cigarettes, cigars, or pipes [NHANES]

At this job or business, that is at your employer, in your occupation, how many H per D can you smell the smoke from other peoples cigarettes, cigars, or pipes measured as a time in the patient by NHANES, a quantitative result. PhenX measures.