Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Differences in Patient Health Questionnaire scores at baseline and after 6-9 weeks of program use.
| Sample | Patient Health Questionnaire score at start of intervention, mean (SD) | Patient Health Questionnaire score after 6-9 weeks intervention, mean (SD) | Within-group effect size, d (95% CI) |
| Guided sample (n=483) | 14.65 (4.92) | 10.49 (5.26) | 0.82 (0.69-0.95) |
| Unguided sample (n=940) | 13.83 (4.85) | 10.72 (5.66) | 0.59 (0.50-0.68) |
