What Is the Current Development Status of Wearable Device in Industrial 4.0? Using Technology Acceptance Model to Explore the Willingness and Pattern of Usage of the Consumers

Table 10

Overall model fitness analysis.

Fit index	Tolerable range	Modified model	Model fit determination
χ^2(chi-square)	The smaller the better	269.57
χ^2 and degree of freedom ratio	<3	1.48	Fit
GFI	>0.80	0.96	Fit
AGFI	>0.80	0.94	Fit
RMSEA	<0.08	0.04	Fit
CFI	>0.90	0.99	Fit