. Author manuscript; available in PMC: 2014 Aug 14.

Published in final edited form as: J Speech Lang Hear Res. 2013 Oct;56(5):1662–1676. doi: 10.1044/1092-4388(2013/12-0119)

Table 2.

Child characteristics for the PCE and NCE groups.

Child demographic	NCE (n = 181)				PCE (n = 183)				t	p	χ²
Child demographic	M	SD	n	%	M	SD	n	%	t	p	χ²
1-min Apgar	7.93	1.67			8.00	1.43			−0.44	.66
5-min Apgar	8.78	0.71			8.78	0.65			−0.06	.95
Gestational age (wks)	38.49	2.86			37.91	2.82			1.94	.05^*
Hobel total	5.84	15.88			7.18	16.32			−0.79	.43
Baby length (cm)	49.20	3.71			47.42	3.88			4.45	<.0001^*
Head circumference (cm)	33.49	2.38			32.37	2.08			4.82	<.0001^*
Birth weight (g)	3,110.53	700.70			2,734.48	636.56			6.09	<.0001^*
IQ at age 11 years	86.41	15.02			84.67	11.79			1.23	.22
Male			87	48.07			82	44.81		.53	0.39
African American			145	80.11			150	81.97		.65	0.20
Microcephalic			8	4.47			27	15.00		.0008^*	11.31
Small birth size			4	2.22			23	12.71		.0002^*	14.34

p ≤ .05.