Table 4.

R² and Q² results.

Construct	Q2	R2 (%)
Attitude toward using	0.478	78.2
Health benefits	0.465	74.7
Behavioral intention to use	0.491	76.4
Perceived ease to use	0.229	40.9
Promotion of health	N/Aa	N/A
Perceived usefulness	0.381	72.7

^aN/A: not applicable.