Common and specific impairments in attention functioning in girls with chromosome 22q11.2 deletion, fragile X or Turner syndromes

Table 4 Interaction of diagnosis and age in the executive index

Linear model estimates of fixed effects on log-transformed (index)
Coefficient	Estimate ( β)^a	Standard error	P	*Description*
Intercept	7.35	0.0356	<0.001
22q11.2DS	0.138	0.061	0.025	14.8% cost to those with 22q11.2DS
FXS	0.146	0.0668	0.031	15.7% cost to those with FXS
TS	0.101	0.0571	0.080	No cost to those with TS
Age (months)	0.00007	0.0007	0.929	No benefit of age
22q11.2DS*age	−0.00237	0.0013	0.061	2.8% decrease per year age more than TD
FXS*age	−0.00095	0.0012	0.442	No benefit of age
TS*age	−0.00072	0.0011	0.521	No benefit of age

^aSome parameters were set to 0 as reference for modeling: for the diagnosis category, the typically developing group, and for age, 83 months.

ISSN: 1866-1955