Table 4.

Logistic regression of program effects on use of substance abuse treatment controlling for gender, age, race and baseline substance use

Independent variable	ORa	95% CIb	P
Female	0.37	0.09–1.50	0.165
African-American	3.18	0.89–11.39	0.076
Age	1.03	0.97–1.10	0.304
Not using substance at baseline	1.14	0.37–3.55	0.823
Treatment First	10.01	1.91–52.4	0.009

^aOdds ratio

^b95% Confidence interval