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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Learn Individ Differ. 2010 Apr 1;20(2):82–88. doi: 10.1016/j.lindif.2009.07.004

Table 1.

Demographic Information for Participants at the End of First Grade (n=279) and the End of Third Grade (n=175)

Variable End of First Grade End of Third Grade
Gender
    Male 55% 54%
    Female 45% 46%
Race
    Minoritya 52% 42%
    Non-minority 48% 58%
Income
    Low income 28% 22%
    Middle income 72% 78%
Mean kindergarten start age (SD) 5yr-6mo (4mo) 5yr-6mo(4mo)
a

Minority refers to African-American (29%, n = 81), Asian (6%, n = 17), and Hispanic (17%, n = 47) at the end of First grade; and African-American (25%, n = 44), Asian (6%, n = 11), and Hispanic (11%, n = 19) at the end of Third grade.