On a typical weekend D in the past W, how much time did the patient spend playing video games and computer games:NRat:1W:^Patient:Qn
on a typical weekend d in the past w, how much time did the patient spend playing video games and computer games:nrat:1w:^patient:qn
On a typical weekend D in the past W, how much time did the patient spend playing video games and computer games:NRat:1W:^Patient:Qn
on a typical weekend d in the past w, how much time did the patient spend playing video games and computer games:nrat:1w:^patient:qn