Follow-up Appointment Time | N (%) | Mean Difference in PHQ-9 Score (95% CI) | p-value |
---|---|---|---|
≤7 days | 614 (10.6) | 0.04 (−0.09, 0.17) | 0.547 |
1 week-3 months | 1509 (26.0) | − 0.25 (− 0.36, − 0.14) | < 0.0001 |
3–6 months | 1056 (18.2) | − 0.47 (− 0.67, − 0.27) | < 0.0001 |
6–12 months | 1066 (18.4) | − 0.28 (− 0.41, − 0.14) | 0.0001 |
1–2 years | 1193 (20.6) | −0.15 (− 0.29, − 0.01) | 0.038 |
> 2 years | 357 (6.2) | −0.24 (− 0.52, 0.04) | 0.093 |