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. Author manuscript; available in PMC: 2017 Jun 28.
Published in final edited form as: J Intellect Disabil Res. 2015 Dec 28;60(4):295–307. doi: 10.1111/jir.12232

Table 2.

Descriptive Statistics by Disability Status – Family Household Income across Seven Time Points

Child Age % above $50,000
ID TD χ2
3 32.03% 66.97% 0.37
4 36.02% 73.98% 2.92
5 42.79% 75.21% 2.39
6 40.49% 70.51% 7.23**
7 36.04% 65.96% 4.89*
8 34.30% 63.70% 5.93**
9 35.00% 70.00% 4.82*

Note.

*

p<.05,

**

p<.01