Table 7.
Differences between arms in adherence (continuous outcome)
| Variable | Mean adherence (95% CI) | Mean difference to referentb | 95% Confidence interval | p value |
|---|---|---|---|---|
| Step 1a | ||||
| Core | 91.5 (88.5–94.6) | Referent | ||
| Enhanced | 90.6 (87.7–93.4) | − 1.00 | − 5.14–3.15 | 0.64 |
| Step 2 | ||||
| Core | 48.1 (44.1–52.2) | Referent | ||
| Enhanced | 50.9 (45.8–56.0) | 2.78 | − 3.74–9.29 | 0.40 |
| Step 3 | ||||
| Core | 51.4 (46.9–55.8) | Referent | ||
| Enhanced | 59.0 (52.9–65.0) | 7.61 | 0.084–15.14 | 0.048 |
| Step 4 | ||||
| Core | 46.8 (41.2–52.4) | Referent | ||
| Enhanced | 56.3 (48.2–64.4) | 9.46 | − 0.38–19.29 | 0.06 |
| Interaction between step allocation and implementation arm | 0.025 | |||
aStep 1 = minimal anxiety/depression, Step 2 = mild anxiety/depression, Step 3 = moderate anxiety/depression, Step 4 = severe anxiety/depression, Step 5 = very severe anxiety/depression but no patients scored in this Step
bMeans have been adjusted for persons (due to repeated screens) and site (due to cluster randomisation)