Table 3 Questionnaire items for SC evaluation

Appearance

The size of the electronic bracelet lock is appropriate^a

The thickness of the electronic bracelet strap is appropriate^a

Overall, I like the design of the electronic bracelet^a

Pressure/scratch

I feel scratching on my wrist due to the size problem of the electronic bracelet

Comfort

Emotion

I feel tense or on edge because I am wearing the electronic bracelet

Attachment 

I feel the electronic bracelet moving

Harm

The electronic bracelet is painful to wear

Perceived change

I feel strange wearing the electronic bracelet

Movement

The electronic bracelet inhibits or restricts my movement

Anxiety

I feel being monitored when I am wearing the electronic bracelet