Table 1.

Participant Demographic and Clinical Characteristics

	Brain Tumor (N=50)	Siblings (N=39)	Solid Tumor (N=40)	p
Gender (% Male)	50	51.3	50	0.99
Age at Diagnosis (Y)	6.38 ± 3.43	NA	4.50 ± 4.18	0.02*
Time from Diagnosis to CRT (Y)	1.14 ± 1.86	NA	NA	NA
Age at Assessment (Y)	13.18 ± 2.88	12.98 ± 2.61	13.21 ± 3.46	0.93
Time since Diagnosis (Y)	6.80 ± 2.60	NA	8.71 ± 3.94	<0.01*
SES (BSMSS)	37.61 ± 12.20	42.71 ± 12.19	42.09 ± 13.32	0.11
Abbreviated IQ (WASI std score)	98.20 ± 13.91	108.59 ± 12.68	107.88 ± 12.44	<0.01*

P-value indicates whether group is equally distributed across sub-categories using One-Way ANOVA, independent t-test or Chi-square. Y – Years; CRT – conformal radiation therapy; SES – socioeconomic status; BSMSS - Barratt Simplified Measure of Social Status (Scores range from 8 to 66 with higher scores indicative of higher SES); IQ – intelligence quotient; WASI – Wechsler Abbreviated Scale of Intelligence