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Baseline and 6-month PHQ-9 scores by quartile of activity levels from 8–10 AM
| Baseline PHQ-9 | 6-month PHQ-9 | ||||
|---|---|---|---|---|---|
| Activity level from 8–10 AM | Mean | (95% confidence interval) | Mean | (95% confidence interval) | |
| Above the median (more morning activity) | 4.0 | (2.6, 5.4) | 2.6 | (1.5, 3.8) | |
| Below the median (less morning activity) | 5.3 | (3.9, 6.7) | 5.0 | (3.9, 6.1) | |
