Instrument Variable Name: BETACM
Question Text:

How many months of the PAST 12 MONTHS did you take beta carotene?
*Enter '12' for all 12 months.

01-12 1-12 months
97 Refused
99 Don't know

Universe Text: Sample adults 18+ who have taken beta carotene in the past 12 months
Skip Instructions:

(1-12) [goto BETACDN] (R,D) [goto VITE]