op20_d
Op20 DField Label
5. if illicit or recreational drug: have you ever used (substance) at least six times in a 12 month period?
Branching Logic
[op20] = '1'
Field Label
5. if illicit or recreational drug: have you ever used (substance) at least six times in a 12 month period?
Branching Logic
[op20] = '1'