. Author manuscript; available in PMC: 2013 Jun 10.

Published in final edited form as: Am J Addict. 2007 Nov-Dec;16(6):468–474. doi: 10.1080/10550490701641173

TABLE 2.

Abstinence rates by treatment condition (n = 31)

	CBT (%)	FBBI (%)	X² or t	p
EOT abstinence rate^*	71.4	47.1	1.87	.171
EOT seven-day point prevalence abstinence rate^†	71.4	41.2	2.84	.092
Days abstinent (day 5–28)^‡	57.1	38.5	− 1.63	.114
Two-month follow-up abstinence ratey^†	12.5	28.6	.603	.438

Abbreviation: EOT = end of treatment.

Confirmed by quantitative urine cotinine <50 ng/ml.

^†

Self-report confirmed by quantitative cotinine <50 ng/ml.

^‡

Confirmed by semi-quantitative cotinine <100 ng/ml (level 3 on the ITS).