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. Author manuscript; available in PMC: 2013 Apr 29.
Published in final edited form as: Dev Med Child Neurol. 2011 Nov 11;53(12):1100–1106. doi: 10.1111/j.1469-8749.2011.04107.x

Table 1.

Demographics

Normative Disability
Mean Age (SD) 10.12(6.1) 11.67(4.7)
Gender (Female%) 1079(49) 268(38)
Race and Ethnicity
 White 1438 (65.2) 491 (69.8)
 Black 241 (10.9) 63 (9.0)
 Hispanic 207 (9.4) 63 (9.0)
 Asian 30 (1.4) 13 (1.8)
 Native American 13 (0.6) 7 (1.0)
 Mixed 222 (10.1) 57 (8.1)
 Other 49 (2.2) 7 (1.0)
 Middle Eastern 4 (0.2) 2 (0.3)
School Placement
 Preschool/Early Childhood Program/ Kindergarten 294 (13.3) 132(13.8)
 Elementary/middle/high school 1236 (56.1) 475 (67.6)
 Ungraded 20 (0.9) 20 (2.8)
 Undergraduate/College 196 (8.9) 20 (2.8)
 Not in school 459 (20.8) 55 (7.8)
Parent/Respondent Education Level* n (%)
 No High School 47 (2.1) 58 (8.3)
 High school Graduate 392 (17.8) 141 (20.1)
 Some College 846 (38.4) 260 (37.0)
 College Graduate 573 (26) 142 (20.2)
 Post-Graduate 346 (15.7) 97 (13.8)