Expert evaluation of mobile health apps for breast cancer management: a feature-based analysis using the Mobile Application Rating Scale (MARS)

Table 5 The correlation between the FARM dimensions and the MARS dimensions

Tools and dimensions	MARS dimensions					FARM dimensions
Tools and dimensions	Engagement	Functionality	Aesthetics	Information quality	Subjective dimension	Desirable features	Absence of undesirable features
MARS dimensions
Engagement	1.0	0.469	0.718	0.648	0.806	0.217	- 0.244
Engagement	.	.001	<.001	<.001	<.001	.157	.110
Functionality	0.469	1.0	0.488	0.397	0.516	0.316	0.381
Functionality	.001	.	.001	.008	<.001	.036	.011
Aesthetics	0.718	0.488	1.0	0.577	0.719	0.337	- 0.102
Aesthetics	<.001	.001	.	<.001	<.001	.025	.511
Information quality	0.648	0.397	0.577	1.0	0.676	0.163	- 0.005
Information quality	<.001	.008	<.001	.	<.001	.289	.977
Subjective dimension	0.806	0.516	0.719	0.676	1.0	0.224	- 0.04
Subjective dimension	<.001	<.001	<.001	<.001	.	.143	.797
FARM dimensions
Desirable features	0.217	0.316	0.337	0.163	0.224	1.0	0.254
Desirable features	.157	.036	.025	.289	.143	.	.096
Absence of undesirable features	- 0.244	0.381	- 0.102	- 0.005	- 0.04	0.254	1.0
Absence of undesirable features	.110	.011	.511	.977	.797	.096	.

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