. Author manuscript; available in PMC: 2013 Mar 1.

Published in final edited form as: Neuropsychology. 2012 Jan 16;26(2):156–164. doi: 10.1037/a0026799

Table 4.

Percentage of FMR1 premutation allele carriers with low scores on executive function measures, defined as scoring greater than one standard deviation away from the mean. Logistic regression models adjusted for age, education and cohort.

Measure	Repeat Group		Logistic Regression
Measure	NC	PM	Odds Ratio (95% CI)	p-value
COWAT	13.5%	22.0%	0.68 (0.36,1.31)	0.25
Stroop	8.7%	9.3%	1.36 (0.55,3.36)	0.51
Backward Digit Span	12.1%	13.3%	1.20 (0.56,2.56)	0.64
Letter-Number Sequencing	9.0%	14.7%	0.81 (0.37,1.79)	0.61
Hayling	22.9%	10.0%	2.25 (0.57,8.95)	0.25
WCST	11.0%	15.6%	0.69 (0.22,2.22)	0.53
BDS	9.5%	27.8%	0.32 (0.08,1.22)	0.10

NC=non-carrier; PM=premutation carrier; CI=confidence interval; COWAT=Controlled Oral Word Association Test; WCST=Wisconsin Card Sorting Test; BDS=Behavioral Dyscontrol Scale