Skip to main content
. 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 2.

Self-report and biochemically verified 7-day point-prevalence abstinence rates of 430 Study Participants enrolled in the PTQ Study *

MI Standard Care P value
Self-report
 Quit at Week 8, n (%) 33 (15.28%) 26 (12.15%) 0.350
 Quit at Week 26, n (%) 36 (16.67%) 25 (11.68%) 0.140
Verified
 Quit at Week 8, n (%) 20 (9.26%) 19 (8.88%) 0.890
 Quit at Week 26 n (%)** 20 (9.26%) 12 (5.61%) 0.150
*

Those lost to follow-up were treated as smokers;

**

CO (<=10 ppm) or Cotinine (<= 20ng/ml) verified