Huang, S.; Reed, M. P. - 2006
Children who are too large for harness restraints but too small to obtain good restraint from a vehicle seatbelt alone … children to sit more comfortably without slouching. NHTSA recommends that children who do not use harness restraints use … children fit on rear seat cushions. Data from NASS-GES were analyzed to determine the age distribution of rear-seat occupants …