Table 5.
Measure | Baseline score, mean (SD) | Follow-up score, mean (SD) | Paired differences, mean (SD) | 95% CI of the difference | t-value (df) | P value | Cohen d |
PHQ-9a | 10.77 (4.71) | 5.57 (4.92) | 5.20 (5.52) | 4.52-5.88 | 18.49 (384) | <.001 | 1.08 |
GAD-7b | 11.72 (3.89) | 6.07 (4.55) | 5.65 (5.40) | 5.06-6.25 | 20.55 (384) | <.001 | 1.33 |
a Patient Health Questionnaire-9
b Generalized Anxiety Disorder-7