Table 2 Mean scores on the primary outcome measure and one secondary outcome measure for the intervention and control groups at baseline and three-month measurement
From: Randomized controlled pilot trial of supportive text messages for patients with depression
Measure | Baseline | Three months measurement | Mean difference in change score | P-value (two-tailed) | Effect size (Cohen’s d) | ||
|---|---|---|---|---|---|---|---|
Intervention group | Control group | Intervention group | Control group | ||||
Mean Becks Depression Inventory-II (SD) | 40.1 (8.6) | 36.3 (8.8) | 20.8 (11.7) | 24.9 (11.5) | −7.6 (−13.2 to −1.9) | 0.01 | 0.67 |
Mean self-rated health index Using EQ VAS scores (SD) | 44.5 (19.0) | 47.1 (19.1) | 65.7 (15.3) | 57.4 (22.9) | 10.7 (−0.2 to 21.5) | 0.05 | 0.51 |