Mood measures: changes in PHQ-9 and PSWQ-PW scores
| Mean (SD) | Mean difference (95% CI) P value | |
| BL to 6 weeks | ||
| PHQ-9 | ||
| BL | 9.85 (6.17) | −3.13 |
| 6 weeks | 6.72 (4.57) | (−4.44 to –1.82) |
| <0.001 | ||
| PSWQ-PW | ||
| BL | 45.80 (15.08) | −5.56 |
| 6 weeks | 40.24 (16.23) | (−7.90 to –3.21) |
| <0.001 |
Reduction in PHQ-9 and PSWQ-PW scores from BL to 6 weeks (p<0.001).
On average PHQ-9 score reduced by 3.13 (95%CI: −4.44 to −1.82) and PSWQ-PW score reduced by 5.56 (95%CI: −7.90 to −3.21).
BL, baseline; PHQ-9, Patient Health Questionnaire; PSWQ-PW, Penn State Worry Questionnaire-Past Week.