Table 2.
Construct reliability and convergent validity.
| Construct and items | Factor loadings | Composite reliability | Average variance extracted | Cronbach alphas | |
| Autonomy (AUT) | |||||
|
|
AUT1 | 0.908 | 0.935 | 0.827 | 0.896 |
|
|
AUT2 | 0.914 |
|
|
|
|
|
AUT3 | 0.906 |
|
|
|
| Competence (COMP) | |||||
|
|
COMP1 | 0.806 | 0.891 | 0.6732 | 0.817 |
|
|
COMP2 | 0.874 |
|
|
|
|
|
COMP3 | 0.883 |
|
|
|
| Relatedness (REL) | |||||
|
|
REL1 | 0.847 | 0.936 | 0.786 | 0.909 |
|
|
REL2 | 0.864 |
|
|
|
|
|
REL3 | 0.925 |
|
|
|
|
|
REL4 | 0.907 |
|
|
|
| Continuance intention (CI) | |||||
|
|
CI1 | 0.888 | 0.925 | 0.754 | 0.891 |
|
|
CI2 | 0.799 |
|
|
|
|
|
CI3 | 0.884 |
|
|
|
|
|
CI4 | 0.900 |
|
|
|
| Confirmation (CONF) | |||||
|
|
CONF1 | 0.943 | 0.967 | 0.906 | 0.948 |
|
|
CONF2 | 0.968 |
|
|
|
|
|
CONF3 | 0.945 |
|
|
|
| Intrinsic motivation for using the mHealth app (MOT) | |||||
|
|
MOT1 | 0.914 | 0.949 | 0.823 | 0.928 |
|
|
MOT2 | 0.926 |
|
|
|
|
|
MOT3 | 0.926 |
|
|
|
|
|
MOT4 | 0.862 |
|
|
|
| Perceived usefulness (USE) | |||||
|
|
USE1 | 0.931 | 0.961 | 0.892 | 0.940 |
|
|
USE2 | 0.961 |
|
|
|
|
|
USE3 | 0.941 |
|
|
|
| Satisfaction (SAT) | |||||
|
|
SAT1 | 0.932 | 0.949 | 0.861 | 0.919 |
|
|
SAT2 | 0.916 |
|
|
|
|
|
SAT3 | 0.937 |
|
|
|