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. Author manuscript; available in PMC: 2011 Feb 1.

Published in final edited form as: J Youth Adolesc. 2009 Jan 24;39(2):114–126. doi: 10.1007/s10964-009-9395-y

Table 1.

Descriptive statistics for family-level and school-level predictor variables

	Individual Level								School Level
	6^th grade		8^th grade		10^th grade		12^th grade
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Family Protection	0.43	0.77	0.07	0.83	-0.22	0.83	-0.27	0.77	0.02	0.36
Separate Indices
Attachment	0.32	0.73	0.00	0.80	-0.18	0.77	-0.14	0.76	0.00	0.26
Opportunity	0.33	0.78	0.00	0.87	-0.18	0.83	-0.17	0.82	0.00	0.26
Reward	0.32	0.72	0.02	0.79	-0.18	0.80	-0.17	0.78	0.01	0.28
Supervision	0.31	0.72	0.06	0.76	-0.20	0.83	-0.26	0.74	0.01	0.36
Discipline	0.42	0.77	0.14	0.80	-0.21	0.80	-0.38	0.75	0.03	0.36