. Author manuscript; available in PMC: 2012 Feb 1.

Published in final edited form as: Ear Hear. 2011 Feb;32(1 Suppl):84S–92S. doi: 10.1097/AUD.0b013e3181ffd5b5

Table 5.

Multiple regression results for CI-E Speech Production.

Predictor	Step 1				Step 2				Step 3
Predictor	β	t	p	R²	β	t	p	R²	β	t	p	R²
Gender	0.10	1.17	0.24		0.11	1.75	0.08		0.06	1.03	0.30
Performance IQ	0.13	1.47	0.14		0.16	2.40	0.02		0.08	1.36	0.17
Family Size	−0.38	−4.30	< .001		−0.23	−3.29	0.001		−0.19	−3.29	0.001
SES	0.27	3.04	0.002		0.09	1.21	0.23		0.009	0.15	0.88
Duration of Deafness					−0.10	−1.53	0.13		−0.06	−1.05	0.29
Sign Enhancement					0.62	9.0	< .001		0.49	7.96	< .001
Verbal Rehearsal Speed									−0.42	−6.59	< .001
Explained Variance				0.22				0.35				0.13
Total Explained Variance				0.22				0.56				0.69