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. Author manuscript; available in PMC: 2010 Apr 13.

Published in final edited form as: Behav Genet. 2008 Jul 8;38(5):462–475. doi: 10.1007/s10519-008-9215-2

Table 2.

Descriptive statistics of probands and their parents from DS-1 and DS-2 samples

	DS-1		DS-2
	Probands N = 51	Parents N = 101	Probands N = 93	Parents N = 186
Age in years (SD)	10.21 (1.38)	42.63 (5.05)	11.02 (1.9)	43.94 (5.2)
Gender	17 F/34 M	50 F/51 M	30F/63 M	93 F/93 M
Caucasian (%)	47 (92%)	96 (95%)	80 (86%)	168 (90%)
VIQ
Mean	112.12	108.31	109.9	109.5
SD	12.66	11.03	12.26	11.90
Adj NWR
Mean	−0.26	0.013	−0.023	0.047
SD	1.07	0.698	0.98	0.60
Skewness	−0.22	−0.40	−0.75	−0.59
Kurtosis	−0.31	1.13	0.87	0.69