Table 5.

Multiple linear regression among preschool patients diagnosed with sickle cell disease

	BRIEF-P Working Memory a			BRIEF-P Global Executive a			BBCS-3:R School Readiness b			SB-5 Working Memory b
	Estimate	SE	p	Estimate	SE	p	Estimate	SE	p	Estimate	SE	p
Intercept	87.81	23.76	<0.001	88.45	25.11	<0.001	72.22	29.89	0.018	48.76	25.89	0.064
Sex	2.40	2.90	0.411	3.54	3.06	0.251	1.13	3.64	0.757	−2.14	3.17	0.503
Genotype	2.89	2.90	0.323	1.91	3.07	0.535	−5.35	3.71	0.154	−0.17	3.18	0.956
Parent Education	−3.34	3.73	0.374	−1.27	3.94	0.749	17.37	4.74	<0.001	7.48	4.02	0.067
Age at assessment	−3.10	3.97	0.437	−3.83	4.19	0.364	0.69	4.99	0.890	5.99	4.36	0.174
Early Development Index	−0.18	0.09	0.044	−0.20	0.09	0.036	0.11	0.11	0.330	0.14	0.10	0.142

BRIEF-P, Behavior Rating Inventory of Executive Function - Preschool; SB-5, Stanford-Binet Intelligence Scales – Fifth Edition; BBCS-3:R, Bracken Basic Concept Scale – 3^rd Edition: Receptive.

Performance measures included the Stanford-Binet Intelligence Scales – Fifth Edition and the Bracken Basic Concepts Scale – Third Edition: Receptive. Parent ratings of executive functioning collected using the Behavior Rating Inventory of Executive Function – Preschool Version.

^aHigher scores indicative of greater symptoms (i.e., more problems)

^bHigher scores indicative of better performance