Table 5 Summary of hypothesis testing results

H_1a: Optimism→Perceived ease of use

<0.001***

Supported

H_1b: Optimism→Perceived usefulness

<0.001***

Supported

H_2a: Innovativeness→Perceived ease of use

0.007**

Supported

H_2b: Innovativeness→Perceived usefulness

0.636

Failed to support

H_3a: Insecurity→Perceived ease of use

0.007**

Supported

H_3b: Insecurity→Perceived usefulness

0.744

Failed to support

H_4a: Discomfort→Perceived ease of use

<0.001***

Supported

H_4b: Discomfort→Perceived usefulness

0.511

Failed to support

H₅: Perceived ease of use→Perceived usefulness

<0.001***

Supported

H₆: Perceived ease of use→Behavioral intention

<0.001***

Supported

H₇: Perceived usefulness→Behavioral intention

<0.001***

Supported