Table 3.

Means, standard deviations, and selected correlations for variables used in analysis.

	N	Mean	SD	Age	Male	Correlationa with		School lunch	Ethnic identity
						Grades	English
Lifetime alcohol use (no. drinks) [log]	4323	0.88	0.76	0.072	0.098	−0.146	0.085	−0.053	−0.012
Lifetime cigarette use (no. smoked) [log]	4340	0.52	0.70	0.102	0.078	−0.196	0.046	0.003	−0.047
Lifetime marijuana use (no “hits”) [log]	4326	0.30	0.58	0.118	0.088	−0.229	0.090	0.009	−0.076
Number of different drugs used	4364	1.21	1.59	0.098	0.093	−0.214	0.049	−0.011	−0.074
Drinks of alcohol last 30 days [log]	4335	0.37	0.64	0.067	0.039	−0.134	0.017	−0.050	−0.028
Number of cigarettes last 30 days [log]	4341	0.15	0.42	0.087	0.044	−0.160	−0.007	−0.022	−0.072
Marijuana “hits” last 30 days [log]	4330	0.21	0.54	0.113	0.087	−0.191	0.042	−0.022	−0.064
Frequency used alc./cig./mar. last 30 days	4349	0.17	0.34	0.102	0.069	−0.190	0.021	−0.048	−0.065
Antidrug personal norms	4349	3.06	0.53	−0.105	−0.091	0.154	−0.065	0.026	0.108
Antidrug injunctive norms—friends	4139	3.04	0.75	−0.070	−0.111	0.156	−0.013	−0.012	0.063
Descriptive school norms (proportion using)	4319	2.56	0.88	0.082	−0.045	−0.111	0.101	0.037	−0.050
Age	4364	13.12	0.73	1.000	0.064	−0.106	0.001	0.037	−0.054
Gender (M = 1, F = 0)	4364	0.52	0.50	0.064	1.000	−0.149	−0.007	−0.035	−0.014
Usual grades	4328	6.56	1.83	−0.106	−0.149	1.000	0.045	−0.135	0.130
English: extent used with family and friends	4361	3.62	1.22	0.001	−0.007	0.045	1.000	−0.269	−0.103
School lunch	4364	0.81	0.39	0.037	−0.035	−0.135	−0.269	1.000	0.023
Mexican only	4364	0.55	0.50	0.029	0.006	−0.085	−0.469	0.303	0.091
Other Latino only	4364	0.03	0.17	0.022	−0.018	0.000	−0.083	0.018	−0.023
African American only	4364	0.06	0.24	−0.008	0.032	−0.005	0.235	0.058	−0.022
American Indian only	4364	0.03	0.17	0.011	0.001	−0.041	0.112	−0.013	−0.002
Mexican–mixed ethnic identity	4364	0.12	0.32	−0.006	−0.023	−0.024	0.005	−0.028	−0.055
Other mixed ethnic identity	4364	0.05	0.22	−0.028	−0.015	0.017	0.156	−0.064	−0.022
White only	4364	0.16	0.36	−0.027	0.007	0.150	0.371	−0.391	−0.036
Ethnic identity factor score	4240	0.00	1.00	−0.054	−0.014	0.130	−0.103	0.023	1.000

^aEach correlation is based on 4240 or more cases, and is statistically significant at p<0.05 if |r|>0.03; at p<0.01 if |r|>0.04; and at p<0.001 if |r| >0.052.