Multivariate Model Predicting Remission on Placebo.
| Predictors | β | df | Wald’s t | Odds Ratio | 95% CI |
|---|---|---|---|---|---|
| Younger age cohort (>59 y) | 0.51 | 1 | 1.45 | 1.66 | 0.73–3.80 |
| Site | |||||
| Lebanon (reference) | — | 3 | 5.15 | — | — |
| Pittsburgh | 0.81 | 1 | 1.99 | 2.25 | 0.73–6.98 |
| San Antonio | −0.22 | 1 | 0.18 | 0.80 | 0.29–2.23 |
| Seattle | −0.33 | 1 | 0.68 | 0.72 | 0.32–1.58 |
| Sex, female | 0.77 | 1 | 5.09* | 2.18 | 1.11–4.27 |
| Baseline depression severity—low | 0.99 | 1 | 8.61† | 2.70 | 1.39–5.24 |
* P < .05.
† P < .01.