Table 2.

Mean task times by format for our primary analysis and our two secondary (post hoc) analyses

Format	Primary analysis	Secondary analysis adjusting for unique features of CPOE test format tasks	Secondary analysis adjusting for missing page 1 for CAP and COPD paper format tasks
User Centred Design (n=27 tasks)	273 s	273 s	273 s
CPOE Test (n=54 tasks)	637 s*	547 s*	547 s† ‡
Paper (n=27 tasks)	293 s§	293 s§	428 s¶

^*p<0.0001 compared to User Centred Design and Paper formats.

^†p<0.001 compared to User Centred Design format.

^‡p=0.02 compared to Paper format.

^§p=0.73 compared to User Centred Design format.

^¶p=0.0088 compared to User Centred Design format.