. Author manuscript; available in PMC: 2021 May 1.

Published in final edited form as: J Head Trauma Rehabil. 2020 May-Jun;35(3):E271–E279. doi: 10.1097/HTR.0000000000000550

Table 1.

Demographics information for all injury groups.

	OI (n=66)	TBI (n=54)	Total Sample (n=120)
Age at injury	5.16 (1.05)	5.19 (1.14)	5.17 (1.09)
Time since injury (years)	6.71 (.95)	6.89 (1.16)	6.79 (1.05)
Males, n (%)	34 (51.5%)	31 (57.4%)	65 (54.2%)
Race, n (%) nonwhite	15 (22.7%)	15 (27.8%)	30 (25%)
zSES	.14 (.90)	−.05 (.95)	.05 (.93)
SADHD	9 (13.6%)	25 (46.3)	34 (28.3%)

Note: OI = Orthopedic Injury, TBI = Traumatic Brain Injury, zSES = z-score of socioeconomic status, SADHD = Secondary ADHD.

The TBI group had a greater proportion of participants with SADHD than the OI group (p<.0001). No other group differences for any of the demographic variables were noted.