Table 2.

Descriptive Statistics by Marijuana Use for Admissions from FHDD 1995–2000^a

	Alcohol Problem		Mood Disorders		Thought Disorders
	No Marijuana (N=54,699)	Marijuana (N=2,130)	No Marijuana (N=256,938)	Marijuana (N=8,738)	No Marijuana (N=139,626)	Marijuana (N=4,245)
Characteristics	Mean	Mean	Mean	Mean	Mean	Mean
Demographics
Age of patient in year	46.38	34.81	43.74	28.74	44.41	32.59
% male	0.721	0.767	0.418	0.561	0.564	0.781
% white	0.852	0.787	0.777	0.798	0.554	0.516
% black	0.074	0.108	0.098	0.122	0.248	0.356
% Hispanic	0.056	0.089	0.100	0.056	0.169	0.097
Medical-related info
% alcohol dependence	0.308	0.219	0.097	0.179	0.044	0.142
% alcohol abuse	0.036	0.022	0.053	0.249	0.041	0.273
% tobaco dependence	0.108	0.181	0.046	0.130	0.057	0.156
% other illicit drug dependence	0.069	0.238	0.054	0.098	0.025	0.070
% other illicit drug abuse	0.058	0.253	0.077	0.294	0.069	0.372
% admitted through ER	0.454	0.488	0.260	0.404	0.328	0.467
% with Medicare	0.208	0.111	0.366	0.195	0.518	0.417
% with Medicaid	0.061	0.086	0.154	0.204	0.263	0.308
% with Private insurace	0.103	0.085	0.097	0.103	0.030	0.035
% in HMO	0.117	0.113	0.137	0.141	0.066	0.057
% in PPO	0.122	0.145	0.123	0.169	0.036	0.044
% Charity care	0.062	0.146	0.007	0.010	0.008	0.012
Outcomes
Length of Stay (days)	4.49	5.48	8.44	6.90	11.28	9.97
List Charges	6357.05	6482.97	9012.65	7356.18	10690.39	9573.02
Procedure Counts	0.648	1.148	0.259	0.272	0.361	0.701

^aSample meanin bold font indicates significant differences in means between marijuana users and non-users