Instrument Variable Name: CCH_TRET
DURING THE PAST 12 MONTHS, did [fill: S.C. name] use chelation therapy for a specific health problem or condition?
9 Don't know
Universe Text: Sample children LT 18 who have seen a provider or practitioner for chelation therapy in the past 12 months
(1) [goto CCH_COND] (2,R,D) cycle through modalities, if CCO_USEM = 1 [goto CCO_TRET];
else [goto next selected modality.] If no more modalities selected [goto TRD]