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. 2022 Jun 2;13:920594. doi: 10.3389/fpsyg.2022.920594

TABLE A1.

Measurement items.

Variables Measurement Items References
Cost Value CV1 The Smartwatch price is reasonable. Venkatesh et al., 2012; Mustafa et al., 2021
CV2 The price I pay for a smartwatch is well-matched in its value.
CV3 At the present cost, the smartwatch delivers a good value.

Effort Expectancy
EE1 Learning how to use smartwatches is easy for me. Venkatesh et al., 2003; Mustafa et al., 2022
EE2 It would be easy for me to become skillful at using the smartwatch.
EE3 It is clear and understandable to interact with smartwatches.
EE4 I would find the smartwatch easy to use.
Facilitating conditions
FC1 I have the resources necessary to use smartwatches. Venkatesh et al., 2003; Mustafa et al., 2022
FC2 I can get help from a service provider when I have difficulties using a smartwatch.
FC3 I will use a smartwatch if I have a compatible device.
FC4 Smartwatch is compatible with the devices I use.
Performance Expectancy PE1 Using the smartwatch increases my productivity Venkatesh et al., 2003; Mustafa et al., 2021
PE2 Using the smartwatch enables me to accomplish tasks more quickly.
PE3 I find that the smartwatch is useful in my daily life
PE4 Using a smartwatch increases my chances of achieving things important to me.
Social Influence SI1 Society members who are influential to me think that I must use a smartwatch. Venkatesh et al., 2003; Mustafa et al., 2022
SI2 Society members who influence my behavior think that I must use a smartwatch.
SI3 Society members whose opinions I value prefer that I use a smartwatch.
SI4 I am inspired by society members who use the smartwatch.
Use Behavior UB1 I will use a smartwatch in the future. Venkatesh et al., 2003; Mustafa et al., 2022
UB2 I will recommend the smartwatch to others.
UB3 Smartwatches increase my willingness to use them.
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