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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: J Intellect Disabil Res. 2017 Jul 20;61(9):877–887. doi: 10.1111/jir.12396

Table 2.

Demographic Characteristics of Individuals with Down syndrome

Overall (n=112) Ages 2–5 (n=22) Ages 6–18 (n=64) Ages 19–35 (n=26)
Age - Mean 12.8 3.6 11.5 24.0
 - Standard Deviation 7.7 1.2 3.3 5.0
Male 44.6% 40.9% 43.7% 50.0%
Female 55.4% 59.1% 56.3% 50.0%
Vision Impairment 61.3% 38.1% 67.2% 68.0%
Corrective Glasses or Contact Lenses 58.2% 23.8% 64.1% 72.0%
Hearing Impairment 38.4% 33.3% 34.4% 53.8%
Hearing Aid 12.6% 19.1% 10.9% 12.0%