Table 3.

The overall Post-Study System Usability Questionnaire (PSSUQ) scores and subscores as well as the norms.

Questions	PSSUQ score, mean (SD)	PSSUQ norms, mean (99% CI) [10]
System usefulness (questions 1-6)	2.74 (1.46)	2.80 (2.57-3.02)
Information quality (questions 7-12)	2.98 (1.33)	3.02 (2.79-3.24)
Interface quality (questions 13-15)	2.82 (1.59)	2.49 (2.28-2.71)
Overall (questions 1-16)	2.86 (1.46)	2.82 (2.62-3.02)