Table 2.
Means, standard deviations, and sample size for the Patient Health Questionnaire-9 item (PHQ-9) by condition across psychotherapy. Statistics reflect intent-to-treat analyses.
| Texting condition Mean | Control condition Mean | |||
| Psychotherapy session | PhQ-9 (SDa) | n | PhQ-9 (SD) | n |
| 1 (baseline) | 13.36 (5.96) | 45 | 13.13 (4.99) | 39 |
| 2 | 9.90 (6.15) | 21 | 10.60 (4.71) | 20 |
| 3 | 8.83 (5.31) | 23 | 9.83 (5.60) | 18 |
| 4 | 6.94 (5.15) | 17 | 9.07 (4.35) | 15 |
| 5 | 9.44 (5.85) | 18 | 9.90 (4.33) | 10 |
| 6 | 7.32 (5.61) | 19 | 7.71 (5.31) | 14 |
| 7 | 7.56 (5.18) | 18 | 7.85 (5.80) | 13 |
| 8 | 6.35 (3.44) | 17 | 10.53 (5.55) | 15 |
| 9 | 7.09 (4.12) | 23 | 8.73 (3.29) | 11 |
| 10 | 6.83 (6.08) | 18 | 7.93 (6.13) | 15 |
| 11 | 7.05 (4.50) | 22 | 7.44 (4.88) | 9 |
| 12 | 6.38 (3.84) | 13 | 6.33 (4.85) | 9 |
| 13 | 7.84 (6.24) | 19 | 6.80 (4.92) | 10 |
| 14 | 5.24 (3.40) | 17 | 9.10 (5.67) | 10 |
| 15 | 8.07 (5.74) | 15 | 9.83 (6.55) | 6 |
| 16 | 6.00 (4.20) | 18 | 12.67 (6.40) | 9 |
aSD: standard deviation.