Table 3.
Estimated associations between exposure to the notification and app use.
| Model | Exposure to notification, estimated relative risk ratio (95% CI) | |
| Unadjusted model | 4.22 (4.13-4.31) | |
| Adjusted modela | 4.21 (4.07-4.36) | |
| Days after downloadb | ||
|
|
Day 1 | 3.93 (3.77-4.10) |
|
|
Day 7 | 4.07 (3.93-4.22) |
|
|
Day 30 | 4.67 (4.38-4.98) |
| Clusterc | ||
|
|
Fast disengagers | 3.97 (3.70-4.25) |
|
|
Slow disengagers | 3.82 (3.60-4.03) |
|
|
Engagers | 4.38 (4.18-4.59) |
aAdjusted for days after download, employment type, sex, age, and baseline Alcohol Use Disorders Identification Test (AUDIT) score.
bEstimated from the model including the interaction effect of exposure to the notification by days after download, adjusted for employment type, sex, age, and baseline AUDIT score.
cEstimated from the model including the interaction effect of exposure to the notification by cluster, adjusted for days after download, employment type, sex, age, and baseline AUDIT score.