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Average weekly text messages sent by patients and coaches across 8 weeks (N=28)a.
| Week | Patients, mean (SD) | Health coaches, mean (SD) |
| 1 | 11 (5.9) | 14.9 (7.4) |
| 2 | 10.9 (7.7) | 14.2 (8.5) |
| 3 | 7.8 (5.4) | 11.1 (5.5) |
| 4 | 7.1 (3.9) | 11.3 (5.3) |
| 5 | 5.6 (3.1) | 8.8 (4.7) |
| 6 | 6.9 (5) | 9.5 (4.7) |
| 7 | 6.6 (4.4) | 9.2 (5.2) |
| 8 | 6.7 (3.3) | 9.2 (3.6) |
aTwo patients were excluded from this analysis because they contributed to <2 weeks of goal-setting text messages.
