Table 1.

Overall study schemata for proposed session dates (row 1), actual visit dates (row 2) and clinical measures (row 3).

Session/ideal day	Clinical	Baseline/INT1 (0d)	INT2 (5d)	INT3 (10d)	INT4 (15d)	INT5 (20d)	Post-INT (28d)	Short-term (42d)	Long-term (112d)
Actual day (Mean±SD)	−11.4±6.1	0±0.0	5.9±2.4	11.2±2.9	17.4±4.4	23.0±5.7	31.4±10.1	44.2±11.0	120.2±16.1
Measures	Consent, MI, SCID, all clinical measures	CSSA, CCQ-N, CCQ-G, TLFB, Urine Tox, Imaging	CSSA, CCQ-N, CCQ-G, TLFB, Urine Tox	CSSA, CCQ-N, CCQ-G, TLFBs, Urine Tox	CSSA, CCQ-N, CCQ-G, TLFBs, Urine Tox, TRQ	CSSA, CCQ-N, CCQ-G, TLFBs, Urine Tox	CSSA, CCQ-N, CCQ-G, TLFBs, Urine Tox, TRQ, STAI-S, BDI-II, SDS, Imaging	CSSA, CCQ-N, CCQ-G, TLFBs, Urine Tox, TRQ, STAI-S, BDI-II, SDS	CSSA, CCQ-N, CCQ-G, TLFBs, Urine Tox, TRQ, STAI-S, BDI-II, SDS

BDI-II = Beck Depression Inventory; CCQ-G & CCQ-N = Cocaine Craving Questionnaire (Brief-General) & (Brief-Now); CSSA = Cocaine Selective Severity Assessment; INT = intervention; MI = Motivational Interviewing; SCID = Structured Clinical Interview for DSM Disorders; SD = standard deviation; SDS = Severity of Dependence Scale; STAI-S = State-Trait Anxiety Inventory (State); TLFB = Timeline Followback; TRQ = Treatment Review Questionnaire; Urine Tox = Integrated E-Z Split Key Cup II Drug Test.