Table 3.
Pre-post estimates for symptoms of depression (PHQ) and anxiety (GAD)
| Analysis | Missing data techniquea | N | ES (PHQ) | ES (GAD) | N clinical case | Recovery rate | Reliable recovery rate |
|---|---|---|---|---|---|---|---|
| Primary analyses | |||||||
| Attended at least two sessions | MI | 1295 | 1.09 (1.02,1.16) | 1.03 (0.97,1.10) | 994 | 65% (61%, 69%) | 58% (54%, 61%) |
| Attended at least two sessions - Latent | MI | 1295 | 1.20 (1.07, 1.32) | 1.13 (1.02, 1.24) | – | – | – |
| Sensitivity analyses | |||||||
| Intention to treat | MI | 1532 | 1.09 (1.03, 1.15) | 1.04 (1.00, 1.10) | 1172 | 64% (60%, 67%) | 57% (53%, 60%) |
| Intention to treat | LOCF | 1519 | 0.74 (0.69, 0.79) | 0.71 (0.64, 0.76) | 1172 | 46% (43%, 49%) | 41% (38%, 44%) |
| Attended at least two sessions | LOCF | 1294 | 0.88 (0.82, 0.94) | 0.83 (0.78, 0.88) | 994 | 57% (54%, 61%) | 48% (45%, 51%) |
| Completed pre- and post-treatment questionnaires | LD | 864 | 1.13 (1.05, 1.21) | 1.04 (0.97, 1.11) | 663 | 69% (66%, 72%) | 62% (59%, 66%) |
| Subgroup analyses for those with ≥2 sessions | |||||||
| Started treatment at caseness | MI | 994 | 1.53 (1.44, 1.63) | 1.41 (1.32, 1.50) | 994 | 65% (61%, 69%) | 58% (54%, 61%) |
| Started treatment at caseness - Latent | MI | 994 | 1.79 (1.59, 1.99) | 1.62 (1.46, 1.77) | – | – | – |
| Pre-treatment symptoms > 6 months | MI | 1059 | 1.08 (1.01, 1.15) | 1.01 (0.94, 1.08) | 820 | 64% (60%, 67%) | 56% (52%, 60%) |
| Pre-treatment symptoms > 6 months - Latent | MI | 1059 | 1.18 (1.04,1.32) | 1.10 (0.98, 1.23) | – | – | – |
aMI Multiple Imputation, LOCF Last Observation Carried Forward