Instrument Variable Name:BLONG
QuestionText:

Altogether, about how long have you had the (Fill: most bothersome or only feeling)?
*Probe if needed.

01 Less then 3 months
02 3 months to less than 12 months
03 12 months to less than 3 years
04 3 years to less than 5 years
05 5 years to less than 10 years
06 10 years to less than 15 years
07 15 years or more
97 Refused
99 Don't know

UniverseText:Sample adults 18+ who have had symptoms of dizziness or at least one balance problem
SkipInstructions:

(1-7, R, D) [goto BOFTEN]