Instrument Variable Name: AVT_TM3A
Did you receive surgery before, at about the same time, or after you began taking [fill: 1st vitamin]?
2 At about the same time
9 Don't know
Universe Text: Sample adults 18+ who had surgery for condition they used vitamin 1 for the most
(1-3,Refused,Don't know) [goto to next selected conventional medical treatment. If no more treatments selected,
if 2nd vitiamin chosen [goto AVT_SAME]; else [goto AVT_DISC]