Table 6 Hypothesis table

From: When better data meets better design: How EHR data usability and system usability shape physicians’ cognitive load

Hypothesized relationships

Supported (Y/N)

Evidence

Hypothesis 1

EHR data usability has a direct and positive effect on Cognitive Load

Fully Supported

β = 0.597, p < 0.05

Hypothesis 2

EHR usability partially and negatively mediates the positive relationship between EHR data usability and cognitive load.

Fully Supported

β = −0.571, p < 0.05

Hypothesis 3

EHR data usability directly and negatively influences information overload.

Fully Supported

β = −0.262, p < 0.05

Hypothesis 4

The positive effect of EHR data usability on cognitive load is negatively and partially mediated by information overload.

Fully Supported

β = −0.124, p < 0.05