Table 4.
Number of samples, mean, and SD of observation variables for patients from non–English-speaking backgrounds before (during baseline) and after the introduction of the app (live trial).
| Category | Before | After (with app) | After (without app) | P value | ||||
|
|
Sample | Value, mean (SD) | Sample | Value, mean (SD) | Sample | Value, mean (SD) |
|
|
| Observations | ||||||||
|
|
Number of interactions per participant | 40 | 4.10 (2.10) | 30a | 4.67 (2.99) | 22 | 3.09 (1.66) | .06 |
|
|
Length of each interaction (seconds) | 164 | 110.95 (148.77) | 71 | 205.56 (185.35) | 137 | 100.10 (156.78) | <.001 |
| Surveys | ||||||||
|
|
Confidence of the interaction | 40 | 3.24 (1.28) | 30 | 4.23 (1.07) | 52 | 2.77 (1.29) | <.001 |
|
|
Success of the interaction | 40 | 3.59 (1.30) | 30 | 4.30 (0.99) | 52 | 3.21 (1.18) | <.001 |
|
|
Staff frustration | 0 | —b | 30 | 1.5 (0.94) | 52 | 2.23 (1.29) | .008 |
aThese participants used the CALD Assist app at least once during the observation period.
bThis question was not asked during the baseline stage.