Electronic health record on the go: Device form factor and Fitts' law

The results of this study suggest that the form factor of mobile devices is of critical importance for usability and task performance with none of the mobile devices performing as well as the desktop. In addition, it appears that Fitt's law requires some additional examination in the context of touch screen devices. Given these results, challenges associated with mobile access to the EHR exist that need to be addressed in the future.