. Author manuscript; available in PMC: 2012 Oct 21.

Published in final edited form as: J Int Neuropsychol Soc. 2011 Jul;17(4):746–750. doi: 10.1017/S1355617711000634

Table 1.

Participant descriptive statistics and FMR1 measures

	Neurotypical control				Fragile X premutation carrier				t	p value
	Mean	SD	Range	n	Mean	SD	Range	n	t	p value
Age	31.50	7.17	21–41	20	34.08	4.57	23–42	30	−1.56	.13
Full-Scale IQ	111.6	12.32	89–129	15	117.14	11.78	101–144	22	−1.38	.18
CGG repeat size	30.07	1.22	28–32	15	96.17	19.85	67–143	30	−12.81	<.0001
FMR1 mRNA level	1.61	0.27	1.25–1.98	8	2.38	0.52	1.55–3.46	24	−3.98	<.0001
Activation ratio	n/a	n/a	n/a	0	55%	16%	23–87%	30	n/a	n/a