Table 3.
Descriptive statistics of the construct, internal reliability, and convergent validity.
| Construct and scale, item code | Standardized loading/weight | Variance inflation factor (outer) |
Cronbach alpha | Composite reliability | Average variance extracted |
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| Information quality (IQ), Formative | N/Aa | N/A | 0 | ||||||
|
|
IQ1 | 0.292 | 1.632 |
|
|
|
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|
|
IQ2 | 0.555 | 1.513 |
|
|
|
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|
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IQ3 | 0.395 | 1.284 |
|
|
|
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| System quality (SysQ), Formative | N/A | N/A | 0 | ||||||
|
|
SysQ1 | 0.428 | 2.032 |
|
|
|
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|
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SysQ2 | 0.649 | 2.032 |
|
|
|
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| Service quality (SerQ), Formative | N/A | N/A | 0 | ||||||
|
|
SerQ1 | 0.369 | 2.284 |
|
|
|
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|
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SerQ2 | 0.693 | 2.284 |
|
|
|
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| Perceived usefulness (PU), Reflective | .829 | 0.921 | 0.854 | ||||||
|
|
PU1 | 0.917 | 2.006 |
|
|
|
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|
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PU2 | 0.931 | 2.006 |
|
|
|
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| User satisfaction (US), Reflective | .787 | 0.903 | 0.824 | ||||||
|
|
US1 | 0.900 | 1.725 |
|
|
|
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|
|
US2 | 0.915 | 1.725 |
|
|
|
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| Perceived health status (PHS), Reflective | .771 | 0.867 | 0.684 | ||||||
|
|
PHS1 | 0.828 | 1.759 |
|
|
|
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|
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PHS2 | 0.833 | 1.710 |
|
|
|
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|
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PHS3 | 0.821 | 1.415 |
|
|
|
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| Continuous use intention (CUI), Reflective | .703 | 0.860 | 0.756 | ||||||
|
|
CUI1 | 0.946 | 1.417 |
|
|
|
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|
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CUI2 | 0.786 | 1.417 |
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|
|
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aN/A: not applicable.