TABLE 1

Demographic Characteristics of Parents and Children Enrolled

CharacteristicValue
Parents (n = 742)
 Age, n (%)
  <18 years11 (1.5)
  18–30, years92 (12.3)
  31–50 years592 (79.8)
  >50 years48 (6.4)
 Female gender, n (%)454 (60.9)
 Highest educational degree completed, n (%)
  Less than grade 8 education4 (0.6)
  Grade school (completed grade 8)4 (0.5)
  High school (completed grade 12)100 (13.4)
  Postsecondary education (technical college or university)637 (85.5)
 Primary ethnic origins (all that applied), n (%)
  Europe417 (56.0)
  Asia179 (24.0)
  Africa5 (6.7)
  Australia/New Zealand8 (1.1)
  North America186 (25.0)
  Central/South America64 (8.6)
Children with head injuries (n = 742)
 Median (IQR) age, y4.4 (17.5)
 Female gender, n (%)272 (36.5)
 Previous imaging recalled by parent, n (%)
  Radiographs363 (48.7)
  CT92 (12.3)
  Ultrasound182 (24.4)
  MRI69 (9.3)
  Nuclear medicine21 (2.8)
 Imaging received in the ED, n (%)
  Skull radiographs20 (2.7)
  CT of the head39 (5.3)
 Final ED diagnosis, n (%)
  Mild head injury/concussion720 (97.0)
  Skull fracture16 (2.2)
  Intracranial hemorrhage6 (0.8)
  • IQR, interquartile range.