Table 5

Correlations of occipitofrontal head circumference at 7 years of age with visual, motor, and cognitive outcomes

	Preterm (n = 279)		All (n = 489)
	R value	p Value	R value	p Value
VMI, Developmental test of visual-motor integration; IQ, intelligence quotient.
Strabismus	−0.116	0.054	−0.142	0.002
Acuity
Left	−0.106	0.076	−0.113	0.013
Right	−0.116	0.052	−0.104	0.021
Contrast sensitivity
Left	0.183	0.002	0.160	0.001
Right	0.256	0.001	0.198	0.001
Stereopsis	−0.108	0.073	−0.177	0.001
VMI	0.217	0.001	0.249	0.001
Movement ABC	−0.200	0.001	−0.248	0.001
Vocal IQ	0.251	0.001	0.274	0.001
Performance IQ	0.226	0.001	0.186	0.001
Total IQ	0.277	0.001	0.264	0.001