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. Author manuscript; available in PMC: 2018 Mar 19.
Published in final edited form as: Lang Speech Hear Serv Sch. 2011 Jan 28;42(2):167–181. doi: 10.1044/0161-1461(2010/10-0052)

Table 1.

Ethnicity, sex, and age (in months) of study participants.

African American Latino Caucasian
Total # participants 20 20 20
 1st graders 12   7   7
 2nd graders   8 13 13
Age range 80–95 85–100 83–101
Mean age 91.95 91.6 92.25
Girls Boys Girls Boys Girls Boys
1st graders 8 4 4 3 4 3
2nd graders 2 6 6 7 6 7
Age range 85–98 80–98 85–97 87–100 85–95 83–101
Mean age 91.7 92.2 91.1 92.1 91.2 93.3