g37_b
G37 BField Label
if unknown: how much (substance/ medication) were you using when you began to have (oc and related sxs)?
Branching Logic
[g35] <> '1' and [g11_gmc] = '1' and [g36] <> '1'
Field Label
if unknown: how much (substance/ medication) were you using when you began to have (oc and related sxs)?
Branching Logic
[g35] <> '1' and [g11_gmc] = '1' and [g36] <> '1'