Table 3.
Ecological momentary assessment compliance data overall and by week (data restricted to weeks 1 and 2 only).
|
|
Overall | Week 1 | Week 2 | |
| Response/compliance rate, n (%) |
|
|
|
|
|
|
By surveya | 544 (57.3) | 277 (57.2) | 267 (57.4) |
|
|
Partial surveys | 41 (4.3) | 22 (4.5) | 19 (4.1) |
|
|
By questionb | 4496 (59.2) | 2290 (59.1) | 2206 (59.3) |
| Status, n (%) |
|
|
|
|
|
|
Complete | 544 (57.3) | 277 (57.2) | 267 (57.4) |
|
|
Expired | 364 (38.4) | 185 (38.2) | 179 (38.5) |
|
|
Abandoned | 41 (4.3) | 22 (4.5) | 19 (4.1) |
| Time to complete EMAcrandom surveyd, mean (SD) | 6.1 (5.0) | 6.1 (5.2) | 6.0 (4.8) | |
aTotal number of random prompts completed/total number of random prompts possible (14 days × 25 participants × 3 surveys per day); excludes status code “initiating” from denominator.
bTotal number of questions completed/total number of questions possible.
cEMA: ecological momentary assessment.
dNumber of minutes elapsed from initiation of each random survey to synchronization with server; restricted to only complete responses and winsorized anyone who took over 20 minutes at 20 minutes.