Table 2.
Session attendance and engagement with guided practice session elementsa.
| Treatment component | Full sample (N=33,492) | Anxiety sample (baseline GAD-7b ≥8) (N=30,006) | Depression sample (baseline PHQ-9c ≥10) (N=22,070) | |||
| Synchronous therapy sessions | ||||||
|
|
Sessions attended | 6.0 (4.0-8.0) | 6.0 (4.0-8.0) | 6.0 (4.0-8.0) | ||
| Guided practice sessions: provider engagement | ||||||
|
|
Lessons assigned | 8.0 (6.0-11.0) | 8.0 (6.0-11.0) | 8.0 (6.0-12.0) | ||
|
|
Exercises assigned | 7.0 (4.0-12.0) | 7.0 (4.0-12.0) | 8.0 (4.0-12.0) | ||
|
|
Exercise feedback messages sent | 2.0 (0.0-4.0) | 1.0 (0.0-4.0) | 2.0 (0.0-4.0) | ||
|
|
Direct messages sent | 10.0 (6.0-16.0) | 10.0 (6.0-16.0) | 10.0 (6.0-16.0) | ||
| Guided practice sessions: client engagement | ||||||
|
|
Lessons completed | 6.0 (3.0-9.0) | 6.0 (3.0-9.0) | 6.0 (3.0-9.0) | ||
|
|
Exercises completed | 6.0 (2.0-12.0) | 6.0 (2.0-12.0) | 6.0 (2.0-12.0) | ||
|
|
Direct messages sent | 6.0 (3.0-12.0) | 6.0 (3.0-12.0) | 6.0 (3.0-12.0) | ||
|
|
Clinical outcome assessments completed (GAD-7 or PHQ-9)d | 12.0 (8.0-18.0) | 6.0 (4.0-9.0) | 6.0 (4.0-9.0) | ||
aAll descriptive statistics are reported as median (IQR) due to nonnormal distributions of variables within the sample. Engagement is totaled across a full episode of care.
bGAD-7: Generalized Anxiety Disorder 7-item scale.
cPHQ-9: Patient Health Questionnaire 9-item scale.
dFor the full sample, each unique clinical outcome assessment completed was counted. GAD-7 and PHQ-9 measures were counted separately. For the anxiety and depression subsamples, only the relevant clinical outcome measures were included in assessment counts (ie, GAD-7 for anxiety subsample, PHQ-9 for depression subsample).