Table1.

Proportion of individuals with lifetime cannabis used who progressed to the use of other illicit drugs, by sociodemographic characteristics

Characteristics	Any Drug Use a (n=2572)
	%	95%CIb
Gender
Male	42.71	40.65	44.80
Female	34.98	32.82	37.20
Age group
18-29	38.53	35.56	41.60
30-44	43.75	41.49	46.04
≥45	33.25	30.53	36.08
Race/ethnicity
Whites	40.54	38.82	42.28
Blacks	25.17	22.02	28.60
Hispanics	43.07	38.64	47.61
Asians	43.68	34.74	53.06
Native American	47.87	39.25	56.62
Urbanicity
Rural	36.11	32.67	39.69
Urban	40.05	38.28	41.85
US Born
Yes	39.76	38.12	41.41
No	32.36	27.06	38.16
Education
< High school	43.25	38.64	47.97
High school	39.58	36.42	42.84
≥ College	38.70	36.89	40.55
Marital Status
Married/living with someone	37.57	35.57	39.62
Divorced/separated	43.10	39.41	46.87
Widowed	33.51	22.24	47.04
Never married	41.63	38.66	44.66
Employment status
Ever employed	39.93	38.17	41.73
Never employed	37.40	34.40	40.50

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

^b95% confidence interval.