Table 3.
t test for equality of means on usability assessment.
| Construct | Low usage clustera, mean (SD) | Moderate usage clustera, mean (SD) | P value |
| Perceived usefulness | 52.0 (4.6) | 47.0 (6.2) | .11 |
| Perceived ease of use | 50.4 (7.1) | 51.4 (8.1) | .81 |
aP<.05.
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