Table 1.

Mean Number of Programs Students Attend by Year and School Demographic Characteristics

	N	Mean Number of Programs (1 – 6)	Bivariate Regression			Multivariate Regression (including school racial composition)			Multivariate Regression (including % students on free and reduced lunch status)
			B	SE	t-value	B	SE	t-value	B	SE	t-value
Year (2001–2007)	1206	1.62	−.05	.01	−3.58***	−.05	.01	−3.94***	−.05	.01	−3.75***
Grade
8 (Reference)	458	1.64
10	408	1.56	−.07	.06	−1.17	−.12	.06	−1.86	−.13	.06	−2.14*
12	340	1.66	.02	.07	0.34	−.01	.06	−0.20	−.05	.06	−0.76
Type of school
Public (Reference)	1092	1.63
Private	114	1.55	−.08	.09	−0.88	−.02	.10	−.25	−.18	.11	−1.65
School size
Small (Reference)	183	1.61
Medium	440	1.60	−.01	.08	−0.12	.07	.08	0.79	.01	.08	0.18
Large	583	1.64	.03	.08	0.36	.21	.09	2.35*	.15	.09	1.57
School racial composition
Predominantly White  (Reference)	768	1.74
Majority African  American	87	1.47	−.27	.10	−2.59**	−.24	.11	−2.29*
Majority Hispanic	90	1.23	−.51	.10	−5.03***	−.39	.11	−3.64***
Other	261	1.46	−.28	.07	−4.28***	−.21	.07	−3.12**
SES (Percent of students on   free and reduced-cost   lunch)	1206	1.62	−.04	.01	−3.88***				−.05	.01	−4.10***
Population Density
Non-MSA (Reference)	290	1.72
Large MSA	347	1.52	−.19	.07	−2.65**	−.17	.08	−1.98*x	−.28	.08	−3.45***
Other MSA	569	1.63	−.09	.07	−1.38	−.10	.07	−1.30	−.15	.07	−2.10*
Region of the country
West (Reference)	237	1.37
Northeast	219	1.64	.27	.09	3.18**	.20	.09	2.32*	.31	.09	3.61***
Midwest	320	1.81	.44	.08	5.65***	.34	.08	4.00***	.42	.08	5.29***
South	430	1.60	.22	.07	3.04**	.18	.07	2.30*	.23	.07	3.12**

Notes. 1. Column 1 includes the numbers indicating the category within each categorical variable. Year of participation and percent of students on free and reduced-cost lunch are treated as continuous variables.

2. B represent unstandardized regression coefficients.

^*p < .05

^**p < .01

^***p < .001