TABLE 1

Comparison of Injury and Demographic Characteristics (From Acute Assessment) of Participants and Nonparticipants

TBI SampleControl Subjects
Seen at 10 yNot seen at 10 ySeen at 10 yNot seen at 10 y
n40561616
Age at injury/first assessment (y), M (SD)4.81 (1.92)4.46 (2.07)4.18 (1.65)5.67 (1.57)
Male, n (%)25 (62.50)34 (60.71)10 (62.50)6 (37.50)
Intact families (at injury), n (%)34 (85)38 (69)14 (87.50)13 (81.30)
Family SES (at injury), M (SD)4.21 (0.93)4.32 (1.11)3.15 (0.72)a4.05 (0.45)
FSIQ acute, M (SD)99.29 (18.93)97.98 (18.59)113.00 (15.43)100.38 (14.18)
VABS preinjury, M (SD)111.61 (19.02)110.58 (18.44)112.53 (15.28)117.50 (17.88)
Acute GCS, M (SD)9.65 (4.24)9.11 (4.15)
Severity, n (%)
 Mild TBI7 (17.50)10 (17.90)
 Moderate TBI20 (50.00)28 (50.00)
 Severe13 (32.50)18 (32.10)
  • a The SES at recruitment was lower for participating control subjects at 10 y than for the nonparticipating group (P < .05).