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Self-Report Habit Index characteristics based on group.
| Intervention week | Intervention group, mean (SD) | Control group, mean (SD) |
| 1 | 41.44 (15.69) | 45.08 (14.39) |
| 2 | 47.92 (16.40) | 48.50 (13.66) |
| 3 | 51.49 (16.47) | 50.27 (13.66) |
| 4 | 54..97 (16.92) | 51.50 (13.60) |
| 5 | 60.74 (14.62) | 50.23 (11.96) |
| 6 | 61.79 (14.53) | 53.62 (13.33) |
| 7 | 64.15 (14.37) | 52.96 (16.26) |
| 8 | 67.21 (14.80) | 56.62 (15.37) |
| 9 | 68.10 (11.64) | 57.35 (10.39) |
| 10 | 70.56 (10.06) | 59.35 (10.39) |
| 11 | 71.85 (9.71) | 63.15 (10.68) |
| 12 | 72.82 (9.77) | 66.12 (7.15) |
