Have you ever nodded off or fallen asleep while driving a vehicle:Find:Pt:^Patient:Ord:PhenX
have you ever nodded off or fallen asleep while driving a vehicle:find:pt:^patient:ord:phenx
Have you ever nodded off or fallen asleep while driving a vehicle:Finding:To identify measures at a point in time:^Patient:Ordinal:PhenX
have you ever nodded off or fallen asleep while driving a vehicle:finding:to identify measures at a point in time:^patient:ordinal:phenx