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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Addiction. 2017 Jan 25;112(5):875–883. doi: 10.1111/add.13715

Table 2.

Smoking cessation outcome

Outcome Measure Abstinence Contingent Submission Contingent Odds ratio (95% CI) Unadjusted χ2, p
ITT sample N=48 N=46
 Primary Outcome (PP 4 wks), % (n) 39.6 (19) 13.0 (6) 4.4(1.5–12.3) 8.5, .004
 Secondary Outcome (PP 3 mo), % (n) 29.2 (14) 19.6 (9) 1.7 (0.6–4.4) 1.2, .279
 Secondary Outcome (PP 6 mo), % (n) 22.9 (11) 13 (6) 2.0 (0.7–5.9) 1.5, .214
Negative CO
 Secondary Outcome, Total, % (n) 43.9 (1307/2976) 20.8 (594/2852) 3.0 (2.6–3.3) 353.3, < .001
 Secondary Outcome, Baseline, % (n) 6.6 (19/288) 3.6 (10/276) 1.9 (0.9–4.1) 2.6, .110
 Secondary Outcome, Tapering, % (n) 19.8 (76/384) 9.8 (36/368) 2.3 (1.5–3.5) 14.8, < .001
 Secondary Outcome, Abstinence Induct. % (n) 53.9 (1087/2016) 24.8 (480/1932) 3.5 (3.1–4.0) 348.4, <.001
 Secondary Outcome, Thinning, % (n) 43.4 (125/288) 24.6 (68/276) 2.3 (1.6–3.4) 22.0, < .001