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. 2016 Dec 23;14(1):8. doi: 10.3390/ijerph14010008

Table 3.

Discriminant validity analyses.

Items Mean SD 1 2 3 4 5 6 7 8 9 10
1. Perceived usefulness 4.09 0.545 0.984
2. Perceived ease-of-use 4.07 0.621 0.332 *** 0.992
3. Subjective norm 3.65 0.899 0.284 *** 0.124 0.922
4. Perceived severity 3.47 0.850 0.158 * 0.236 *** 0.089 0.758
5. Perceived susceptibility 2.92 1.11 0.051 0.195 ** 0.024 0.599 *** 0.989
6. Self-efficacy 4.11 0.396 0.392 *** 0.440 *** 0.261 *** 0.243 *** 0.203 ** 0.939
7. Response efficacy 4.10 0.592 0.645 *** 0.376 *** 0.152 * 0.218 ** 0.152 * 0.348 *** 0.987
8. Response costs 2.03 0.656 −0.023 0.019 −0.026 0.093 0.015 −0.053 −0.070 0.949
9. Behavioral intention 4.15 0.541 0.413 *** 0.393 *** 0.267 *** 0.150 * 0.007 0.432 *** 0.421 *** 0.031 0.426
10. Usage behavior 3.99 0.656 0.304 *** 0.320 *** 0.329 *** 0.142 * 0.048 0.369 *** 0.248 *** 0.073 0.659 *** 0.309

* p < 0.05; ** p < 0.01; *** p < 0.001.