From the 2008 National Survey on Drug Use and Health:
[The following question is asked separately for each inhalant: Amyl nitrite, "poppers,' locker room odorizers, or "rush'; Correction fluid, degreaser, or cleaning fluid; Gasoline or lighter fluid; Glue, shoe polish, or toluene; Halothane, ether, or other paint solvents; Lighter gases, such as butane or propane; Nitrous oxide "whippets'; Spray paints; or Other aerosol sprays]
Have you ever, even once, used [Amyl nitrite, "poppers,' locker room odorizers, or "rush']?
How long has it been since you last used [Amyl nitrite, "poppers,' locker room or hashish; odorizers, or "rush"]?
- Within the past 30 days -- that is, since [DATE]
- More than 30 days ago but within the past 12 months
- More than 12 months ago