Table 2.

Mean score on the System Usability Scale and loadings for each item.

Item	Profession									Statistics
	Psychotherapists			Nursing staff			Administrative personnel
	Loadings	Mean (SD)	Loadings		Mean (SD)	Loadings		Mean (SD)	F test (df1,df2)		P value
1	0.489	4.42 (0.67)b	0.356		4.16 (0.79)	0.396		3.92 (1.04)	6.048 (2, 215)		.003
2	0.591	1.25 (0.46)b	0.670		1.35 (0.59)c	0.687		1.60 (0.66)	5.993 (2, 215)		.003
3	0.672	4.45 (0.57)	0.665		4.28 (1.01)	0.565		4.33 (0.86)	1.929 (2, 205)		.15
4	0.520	2.00 (1.07)a,b	0.428		2.49 (1.26)	0.328		2.81 (1.28)	97.663 (2, 215)		<.001
5	0.500	4.44 (0.65)	0.405		4.31 (0.58)	0.575		4.38 (0.53)	0.896 (2, 215)		.41
6	0.523	1.30 (0.54)a,b	0.513		1.73 (0.90)	0.579		1.79 (0.64)	10.070 (2, 215)		<.001
7	0.335	4.31 (0.76)	0.805		4.24 (0.85)	0.554		4.08 (0.62)	1.351 (2, 215)		.22
8	0.501	1.30 (0.58)a	0.506		1.71 (1.13)	0.793		1.40 (0.57)	4.946 (2, 215)		.008
9	0.561	4.22 (0.73)b	0.523		3.90 (1.01)	0.5552		3.81 (0.97)	4.219 (2, 215)		.02
10	0.291	1.50 (0.78)b	0.566		2.02 (1.13)c	0.535		1.73 (0.79)	6.519 (2, 215)		.002

^aPosthoc analysis with Bonferroni correction: psychotherapists scores were greater than nursing staff scores and administrative personnel scores.

^bPosthoc analysis with Bonferroni correction: psychotherapists scores were greater than administrative personnel scores.

^cPosthoc analysis with Bonferroni correction: nursing staff scores were greater than administrative personnel scores.