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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Addiction. 2013 Mar 19;108(6):1136–1144. doi: 10.1111/add.12140

Table 3.

Adherence measures of 430 Study Participants enrolled in the PTQ Study

Variables Total (n=430) MI (n=216) Standard Care (n=214) p-value

Baseline Motivation to adhere, mean (SD) 45.4 (6.5) 45.4 (6.3) 45.3 (6.7) 0.77

Week 6 Motivation to adhere, mean (SD) 45.1 (7.3) 45.8 (7.0) 44.4 (7.5) 0.08

Motivation to adhere change in scores from Baseline to Week 6, mean (SD) 0.02 (8.2) 0.4 (8.4) −0.4 (8.1) 0.40

Baseline Self-efficacy to adhere, mean (SD) 78.4 (17.6) 78.2 (18.0) 78.7 (17.1) 0.76

Week 6 Self-efficacy to adhere, mean (SD) 84.1 (18.3) 85.4 (19.1) 82.9 (17.5) 0.22

Self-efficacy to adhere change in scores from Baseline to Week 6, mean (SD) 5.7 (20.8) 5.7 (22.5) 5.7 (19.2) 0.99

Had nicotine patch on at visit (“patch check”), % yes
 Week 1 52.8 49.1 56.5 0.12
 Week 2 52.6 49.1 56.1 0.15
 Week 4 44.7 46.8 42.5 0.38
 Week 6 38.6 40.7 36.5 0.36
 Week 8 33.7 33.8 33.7 0.97