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. Author manuscript; available in PMC: 2011 Feb 22.
Published in final edited form as: J Prim Prev. 2007 Dec 6;28(6):547–568. doi: 10.1007/s10935-007-0114-8

Table 1. Characteristics of students within the study (N = 4,222).

American Indian N = 685 Percent Non-American Indian N = 3,537 Percent
In treatment program 76% 71%
Male 47% 52%
Received free or reduced lunch 79% 84%
Median Median
Academic grades 6 (“B's and C's”) 7 (“Mostly B's”)