Table 1.

Continuing Care Studies at Publicly Funded Intensive Outpatient Programs (IOP)

	Study 1	Study 2	Study 3
Continuing care recruitment period	1998–2000	2004–2007	2007–2008
Year of baseline criminal sentences	1997–1998	2003–2004	2006–2007
Four Years of criminal sentences post-continuing care enrollment	2000–2004	2007–2011	2008–2012
Sample size	163	168	321
Cocaine use eligibility criteria	Cocaine dependence at time of entry to IOP	Cocaine dependence at time of entry to IOP	Lifetime criteria for cocaine dependence and using cocaine in 6 months prior to starting IOP
IOP involvement at enrollment	Completed 4-week IOP	Completed week 3 of IOP. IOP had flexible length of stay of 3–4 months.	Completed week 2 of IOP. IOP had flexible length of stay of 3–4 months.
Treatment conditions	1.) IOP 2.) IOP + cognitive behavioral therapy/relapse prevention (not included in this paper’s analysis) 3.) IOP + telephone monitoring and counseling (TMC)	1.) IOP 2.) IOP + extended telephone monitoring (not included in this paper’s analysis) 3.) IOP + TMC	1.) IOP 2.) IOP + TMC 3.) IOP + TMC plus incentives
IOP Duration & intensity	1 month 9 hours per week	3–4 months 9 hours per week	3–4 months 9 hours per week
TMC intervention duration	3 months	18 months	24 months
Number of TMC Sessions Offered	12	36	39
Average Number of TMC Sessions Completed	6	9	TMC=16 TMC plus incentives=26
Follow-up rates at Final Study Assessment	86%	77%	75%