TABLE 1—

Descriptive Statistics for Drug-Involved Male Arrests: California, 1995–2005

Variables	White	Black	Hispanic
Dependent variables
Prison disposition
Pre-Proposition 36	0.045	0.088**	0.053**
Post-Proposition 36	0.024	0.050**	0.022a
Diversion disposition
Pre-Proposition 36	0.079	0.040**	0.065**
Post-Proposition 36	0.064	0.043**	0.054**
Independent variables
Age, y
18– < 21	11.64	10.55**	13.95**
21– < 25	16.58	14.97	22.40
25– < 30	15.76	15.90	21.18
30– < 35	15.90	16.02	15.66
35– < 40	16.04	16.52	12.05
40– < 45	12.36	13.33	8.21
45– < 50	6.38	7.68	3.90
50– < 55	2.87	3.24	1.56
55– < 60	1.38	1.10	0.61
60– < 65	0.53	0.45	0.27
≥ 65	0.55	0.24	0.21
Urbanicity of the county of the arrest
County in metropolitan area with ≥ 1 million population	67.44	87.99**	72.54**
County in metropolitan area of 250 000–1 million population	20.05	10.03	21.64
County in metropolitan area of < 250 000 population	7.54	1.56	4.88
Nonmetropolitan countyb	4.98	0.42	0.93
Current arrest characteristics
Drug felony count	0.51	0.72**	0.47**
Drug misdemeanor count	0.85	0.53**	0.80**
Violent felony count	0.02	0.03**	0.03**
Violent misdemeanor count	0.01	0.01**	0.01
Property felony count	0.06	0.04**	0.04**
Property misdemeanor count	0.02	0.02**	0.02**
Other felony count	0.06	0.11**	0.06a
Other misdemeanor count	0.25	0.27**	0.31**
Criminal history
No. of arrests	6.58	12.11**	5.65**
Prior drug felony arrest	0.46	0.69**	0.37**
Prior violent felony arrest	0.25	0.54**	0.26**
Prior property felony arrest	0.33	0.56**	0.26**
Prior other felony arrest	0.24	0.41**	0.20**
Prior conviction	0.65	0.82**	0.58**
Prior prison	0.11	0.30**	0.10**
Sample	70 830	25 612	76 070

^aProportion approached statistical significance (P < .1).

^bUrban location based on Office of Management and Budget Urban/Rural Continuum Codes with nonmetropolitan codes collapsed into 1 category.

*P < .05; **P < .01 for t-test differences between Blacks (Hispanics) and Whites for dichotomous variables and χ² for categorical variables.