Table 2 Pairwise comparison matrix (AHP) scale index values.

From: A hierarchical framework to evaluate the usability of smartphone health applications

Definition

Index

Definition

Index

Equally important

1

Equally important

1/1

Moderately more important

3

Moderately less important

1/3

Much more important

5

Much less important

1/5

Far more important

7

Far less important

1/7

Extremely more important

9

Extremely less important

1/9