Table 3.

Logistic Regression Model of Receptive Language Delay at 30 Months: English Language Only

Variable	% with Receptive Delay	OR	95% CI	p
Feeding status at 18 months
Eats with assistance/tube fed	60	1.96	1.22, 3.15	0.006
Feeds self	47	REF
Treatment condition
Glutamine	55	1.39	0.88, 2.20	0.156
Control	50	REF
Gender
Male	58	1.64	1.03, 2.60	0.035
Female	49	REF
Birth weight (kg)	--	0.71	0.10, 5.30	0.741
Gestational age	--	1.18	1.01, 1.38	0.036
Race/Ethnicity
White	35	0.31	0.19, 0.50	< 0.001
Non-White	71	REF
Maternal Education Level
Less than high school	73	1.94	0.95, 3.96	0.070
High school graduate	59	REF
Some college or more	41	0.70	0.40, 1.21	0.200
Income
$50,000 or more	35	0.36	0.18, 0.69	0.002
$20,000–$49,999	47	0.45	0.26, 0.79	0.005
< $20,000	73	REF
Postnatal steroids
Yes	56	1.21	0.68, 2.16	0.513
No	51	REF
BPD
Yes	55	1.82	1.08, 3.08	0.024
No	51	REF
IVH/PVL
Yes	57	1.40	0.61, 3.23	0.430
No	52	REF

Note: N=400. REF=reference category. Percent represents the proportion of children with characteristic who have a receptive language delay.