Table 4.
Association between acceptance factors and intention to use medical apps.
| Factors | Univariate ORa (95% CI) | P value | Multivariate OR (95% CI)b | P value | Multivariate OR (95% CI)c | P value | Included controls | Cox-Snell R2 | Nagelkerke R2 |
| Perceived usefulness | 5.94 (3.88-9.08) | <.001 | 5.25 (3.41-8.07) | <.001 | — | — | — | .340 | .456 |
| Perceived ease of use | 4.43 (3.01-6.52) | <.001 | 4.22 (2.78-6.40) | <.001 | 4.71 (3.02-7.36) | <.001 | ISAR-PCd | .298 | .400 |
| Attitude toward use | 9.19 (5.52-15.30) | <.001 | 8.50 (5.03-14.38) | <.001 | 11.24 (6.08-20.79) | <.001 | ISAR-PC, ADLe, marital state, health care use | .440 | .591 |
| Subjective norm | 1.47 (1.17-1.84) | .001 | 1.48 (1.15-1.90) | .002 | — | — | — | .129 | .173 |
| Sense of control | 3.59 (2.64-4.87) | <.001 | 3.40 (2.45-4.72) | <.001 | — | — | — | .293 | .394 |
| Feelings of anxiety | 0.56 (0.44-0.70) | <.001 | 0.62 (0.47-0.81) | .001 | — | — | — | .135 | .181 |
| Personal innovativeness | 2.38 (1.85-3.06) | <.001 | 2.08 (1.58-2.73) | <.001 | — | — | — | .182 | .243 |
| Social relationships | 1.76 (1.21-2.56) | .003 | 1.79 (1.18-2.71) | .006 | — | — | — | .131 | .175 |
| Self-perceived effectiveness | 2.84 (2.10-3.82) | <.001 | 2.69 (1.93-3.76) | <.001 | 3.05 (2.14-4.36) | <.001 | Living situation | .240 | .321 |
| Service availability | 3.71 (2.61-5.26) | <.001 | 3.46 (2.37-5.06) | <.001 | — | — | — | .245 | .329 |
| Facilities | 2.70 (2.03-3.59) | <.001 | 2.45 (1.78-3.35) | <.001 | — | — | — | .178 | .239 |
| Finance | 0.93 (0.74-1.16) | .51 | 0.98 (0.76-1.28) | .90 | — | — | — | .097 | .129 |
aOR: odds ratio.
bAdjusted for age, sex, and education.
cAdjusted for age, sex, and education and all controls that increase the OR by at least 10%.
dISAR-PC: Identification of Seniors at Risk – Primary Care.
eADL: Assessment of Activities of Daily Living, Self-Care, and Independence.