Table 6.

Generalized estimating equations models predicting 6-year outcomes from VDQ and NVDQ at 2 years, with combined models controlling for 6-year Abbreviated IQ.

	Mullen NVDQ β(SE)	Mullen VDQ β (SE)
Stanford-Binet
Working Memory	0.166 (.09)	0.060 (.08)
Cambridge Neuropsychological Test Automated Battery
Spatial Span+	0.321 (.09)**	−0.051 (.09)
Stockings of Cambridge+	0.129 (.09)	0.017 (.10)
Behavior Rating Inventory of Executive Function
Global Executive Composite	0.035 (.08)	−0.145 (.07)*

^*p < .05.

^**p < .01. + scores standardized. Note. NVDQ = nonverbal developmental quotient; VDQ = verbal developmental quotient.