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. 2023 Sep 25;12:e47567. doi: 10.2196/47567

Table 2.

Attributes examined in the digital wearables discrete choice experiment.

Domains and attributes Statements
Device characteristics

Type

  • The device collects nonmedical data (eg, steps)

  • The device collects medical data (eg, blood glucose)

Point of contact

  • I must wear the device on my chest or ankle

Battery life

  • The device must be charged every 48 hours

Display

  • The device has a touchscreen interface

Memory

  • The device has a memory chip to prevent data loss

Cellular data

  • The device must be always connected to the internet

Personalization

  • I can personalize the device to my individual goals and preferences

  • I can change the look and feel of the device (eg, by using different strap styles and colors)

Added features

  • The device provides information in languages other than English (eg, Spanish)

  • The device allows me to interact with other users if I want to

Effectiveness

  • The accuracy of the device has been proven in scientific studies
Effort expectancy

Ease of use

  • The device is easy to use

Data sync

  • The device syncs automatically with a smartphone

Comfort

  • The device fits with my lifestyle and daily activities

  • The device can cause skin irritations
Social influence

Peer recommendation

  • A friend or family member recommended the device to me
Facilitating technical factors

Compatibility

  • The device is compatible with all smartphones (eg, Android and Windows)

  • The device is compatible with popular health apps

Data security and privacy

  • I can enable or disable location tracking on the device

  • I get to choose when and how the device shares data

  • My data are encrypted

  • My data will be sold to third parties for profit
Facilitating health care factors

Insurance

  • The device is covered by health insurance

Doctor recommendation

  • My doctor recommended the device to me

Data exchange

  • I can share the data with my doctor
Facilitating market factors

Costs

  • The device is under US $150

Customer reviews

  • The device has a high customer rating

Warranty

  • The device comes with a 2-year warranty

Customer service

  • There is a number I can call if the device stops working