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. 2020 Dec 14;22(12):e20691. doi: 10.2196/20691

Table 2.

Descriptive statistics, internal consistency, and items for each variable.

Variables Mean (SD) McDonald omega
Perceived usefulness 2.80 (1.25) 0.95

I believe using this VRH would be useful for improving my health.


I believe using this VRH would enable me to improve my health.


I believe using this VRH would help me improve my health.

Perceived ease of use 3.10 (1.27) 0.92

I believe using this VRH would be clear and understandable.


I would find this VRH easy to use.


I believe using this VRH would be easy for me.

Perceived enjoyment 3.42 (1.39) 0.93

I believe I would find using this VRH enjoyable.


I believe I would have fun using this VRH.


I believe I would find using this VRH exciting.

Intention to use 3.15 (1.42) 0.95

Assuming I had access to this VRH, I would like to use it.


Assuming I had access to this VRH, I would intend to use it.


Assuming I had access to this VRH, I predict that I would use it.

Fall-related self-efficacy 9.41 (1.07) 0.96

Getting dressed and undressed/preparing a simple meal/taking a bath or a shower/getting in or out of a chair/getting in or out of bed/answering the door or telephone/walking around the inside of the house/reaching into cabinets or closets/light housekeeping/simple shopping/using public transportation/crossing roads/light gardening or hanging out the washing/going up or down stairs

Self-avoidance goals 3.57 (1.39) 0.89

When I do physical activity, my goal is to avoid having worse results than I had previously.


When I do physical activity, my goal is to avoid doing worse than I usually do.


When I do physical activity, my goal is to avoid being less effective compared with my usual level of performance.