Outcome measure | T0 |  | T1 |  | Δ T0-T1 |
---|
 | GCC | NGCC | GCC | NGCC | GCC NGCC |
IDS score, mean | 32.9 (0.9)a
| 28.5 | 24.8 (1.0)a
| 22.0 | 8.1c
|
(SD) | (0.8)b
| Â | (0.8)b
| Â | 6.5c
|
-
a GCC: T0 > T1 (χ2 = 68.5; p < .001)
-
b NGCC: T0 > T1 (χ2 = 64.9; p < .001)
-
c ΔT0-T1: ns
- All values are corrected for age, gender, education level and baseline severity score, and clustering within practices and GPs.