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. Author manuscript; available in PMC: 2012 Jun 27.
Published in final edited form as: Exp Clin Psychopharmacol. 2011 Feb;19(1):40–52. doi: 10.1037/a0022114

Table 2.

Session Abstinence N (%) at Each Time Point Based on Cumulative Abstinence at EOT, Verified by Expired CO, for Participants Assigned to the Treatment Regimen (n = 66)

Abstainers (n = 28) Relapsers (n = 38) Total abstinent
Abstinent at Session 2 27 (96.4%)* 16 (42.1%) 43 (65.2%)
Abstinent at Session 3 28 (100.0%) 5 (13.2%) 33 (50.0%)
Abstinent at Session 4 28 (100.0%) 4 (10.5%) 32 (48.5%)
*

One participant who was nonabstinent at session 2 but was abstinent at sessions 3 and 4 was classified as an Abstainer at EOT.