How much time is usually spent on screens:NRat:Pt:^Patient:Qn
how much time is usually spent on screens:nrat:pt:^patient:qn
How much time is usually spent on screens:Number=Count/Time:To identify measures at a point in time:^Patient:Quantitative
how much time is usually spent on screens:number=count/time:to identify measures at a point in time:^patient:quantitative