Table 4.

Predictors of progression from cannabis use to other drug use among individuals with lifetime cannabis use preceding lifetime use of other drugs in the NESARC wave 1. Multivariate results of survival analyses

Characteristic	Any Drug Usea (n=2572)
	HR b	95%CI c
Gender
Female	1.00	1.00	1.00
Male	1.23	1.09	1.36
Race/ethnicity
White	1.00	1.00	1.00
Black	0.46	0.39	0.55
Hispanic	0.95	0.80	1.13
Asian	1.20	0.81	1.77
Native American	0.96	0.70	1.31
Urbanicity
Rural	1.00	1.00	1.00
Urban	1.19	1.02	1.36
Marital Status
Married	1.00	1.00	1.00
Divorced/separated	1.94	1.49	2.54
Widowed	1.97	0.46	8.41
Never married	2.15	1.79	2.58
Mood disorder	1.33	1.12	1.57
Anxiety disorder	1.17	1.01	1.36
Personality disorder	1.34	1.17	1.53
Family history of SUD	1.28	1.15	1.43
Nicotine Dependence	1.58	1.35	1.86
Alcohol Use Disorder	1.53	1.36	1.72
Cannabis Use Disorder	2.33	2.06	2.62
Age first used cannabis (continuous)	0.94	0.92	0.97

^aSedatives, tranquilizers, analgesics, stimulants, cocaine or crack, hallucinogens, inhalants/solvents, heroin, and other,

^bhazard ratio,

^c95% confidence interval.

Predictors included as time-dependent variables: Education, marital status, mood disorder, anxiety disorder, nicotine dependence, alcohol use disorder and cannabis use disorder.