Table 1.

Descriptive statistics for demographics and substance-related variables

	N (%) or Mean (SD)
Female gender	40 (33.3%)
Race/Ethnicity
White	62 (51.7%)
Latin-x	32 (26.7%)
Black	25 (20.8%)
Other	1 (0.8%)
Age	38.35 (9.42)
Completed high school	86 (71.7%)
Unemployed	87 (72.5%)
Route of Administration for Cocaine
Smoke	80 (66.7%)
Nasal	28. (23.3%)
IV	11 (9.2%)
Speedball	1 (0.8%)
Oral	0 (0%)
Years of Regular Cocaine Use	9.80 (8.56)
Years of Regular Opioid Use	9.88 (7.83)
Number of prior outpatient episodes	2.66 (3.14)
Number of prior inpatient treatment episodes	3.07 (5.06)
Days of cocaine use during 28 days prior to treatment	16.03 (8.48); Min = 0; Max = 28
Days of illicit opioid use during 28 days prior to treatment	2.96 (4.95); Min = 0; Max = 20
Days of cocaine use at EOT (final 28 days of treatment period)	8.19 (7.25); Min = 0; Max = 28
Days of illicit opioid use at EOT (final 28 days of treatment period)	3.08 (5.69); Min = 0; Max = 28
Days of cocaine use at month 6 (28 days prior to month 6 post-treatment follow-up assessment)	5.79 (8.44); Min = 0; Max = 28
Days of illicit opioid use at month 6 (28 days prior to month 6 post-treatment follow-up assessment)	2.62 (5.69); Min = 0; Max = 28

Note: SD = standard deviation.