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. 2016 Jun 30;19(3):290–298. doi: 10.1093/ntr/ntw155

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).