Workers compensation data underestimates the prevalence of a problem, whereas cross-sectional study designs in which symptoms alone are considered are likely to overestimate the magnitude of the problem. However, one would expect similar patterns to emerge from the two studies. Screen position above the eye level was associated with both neck and shoulder symptoms. The relationship between screen heights above the eye level and neck symptoms is consistent with the data presented by Bergqvist et al., 1995a,b. Neck symptoms were also associated with screen height below eye level. This relationship between screen heights lower than eye level and musculoskeletal symptoms is inconsistent with data on postural consequences of different screen heights .