Table 4.

Multiple Regression Analysis of Age, Sex, and Race as Predictors of Marijuana, Cocaine, and Painkiller Abuse and Dependence.

	Marijuana		Cocaine		Painkiller
	Abuse AOR (95% Cl)	Dependence AOR (95% Cl)	Abuse AOR (95% Cl)	Dependence AOR (95% Cl)	Abuse AOR (95% Cl)	Dependence AOR (95% Cl)
Sex
Female	0.93 [0.64, 1.35]	1.71* [1.09, 2.70]	1.61 [0.99, 1.66]	3.87*** [2.06, 7.28]	0.58** [0.39, 0.86]	0.85 [0.54, 1.34]
Male	Referent	Referent	Referent	Referent	Referent	Referent
Age
<21	Referent	Referent	Referent	Referent	Referent	Referent
21–34	0.45*** [0.30, 0.68]	0.52* [0.31, 0.86]	0.71 [0.37, 1.37]	0.25** [0.11, 0.55]	2.12 [0.99, 4.48]	0.45** [0.25, 0.81]
35–44	0.16*** [0.07, 0.35]	0.16** [0.06, 0.48]	0.50 [0.21, 1.22]	0.42 [0.16, 1.10]	4.01*** [1.86, 8.63]	1.39 [0.77, 2.49]
Over 45	0.23*** [0.13, 0.44]	0.03** [0.01,0.22]	0.81 [0.40, 1.66]	0.37* [0.16, 0.83]	3.42** [1.59, 7.35]	0.32** [0.15, 0.68]
Race
Black	1.19 [0.79, 1.79]	1.75* [1.05, 2.91]	0.72 [0.04, 1.30]	0.36* [0.14, 0.92]	1.24 [0.84, 1.83]	0.58 [0.34, 1.00]
White	Referent	Referent	Referent	Referent	Referent	Referent

Note. AOR = adjusted odds ratio; CI = confidence interval.

^*p < .05.

^**p < .01.

^***p < .001.