Table 3.
Weeks 4 Through 24 Follow-up Phase Outcomes: Raw Descriptive Statistics
| Outcomes | Week 4 | Week 8 | Week 12 | Week 24 |
|---|---|---|---|---|
| PPA (%, n) | ||||
| mHealth reinforcement | 82.2% (n = 37 of 45) | 50.0% (22 of 44) | 29.3% (n = 12 of 41) | 21.1% (n = 8 of 38) |
| mHealth monitoring | 40.9% (n = 18 of 45) | 44.2% (19 of 43) | 25.6% (n = 11 of 43) | 16.3% (n = 7 of 43) |
| Continuous abstinence (%, n) | ||||
| mHealth reinforcement | 48.9% (n = 22 of 45) | 40.9% (n = 18 of 44) | 26.8% (n = 11 of 41) | 18.4% (n = 7 of 38) |
| mHealth monitoring | 35.6% (n = 16 of 45) | 32.6% (n = 14 of 43) | 23.3% (n = 10 of 43) | 16.3% (n = 7 of 43) |
| Proportion of days smokeda | ||||
| mHealth reinforcement | 0.0 (8.5; n = 45) | 0.0 (39.0; n = 44) | 14.8 (100.0; n = 41) | 38.9 (100.0; n = 38) |
| mHealth monitoring | 6.2 (46.6; n = 44) | 13.3 (100.0; n = 43) | 48.6 (100.0; n = 43 | 96.8 (91.8; n = 43) |
| Cigarettes on days smokeda | ||||
| mHealth reinforcement | 3.6 (5.0; n = 20) | 4.7 (8.6; n = 21) | 5.3 (7.7; n = 24) | 9.3 (13.1; n = 26) |
| mHealth monitoring | 4.0 (8.6; n = 28) | 5.0 (7.8; n = 27) | 6.2 (10.3; n = 29) | 9.0 (8.7; n = 33) |
PPA = point-prevalence abstinence.
aMedian (interquartile range).