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Table 2 Head Injury History and Sequelae Among Inmates without ADHD and with ADHD

From: Health-related quality of life in prisoners with attention-deficit hyperactivity disorder and head injury

  Any head injury
n = 280
n (%a)
without ADHD
n = 204
n (%b)
with ADHD
n = 76
n (%c)
OR (95% CI) p
First injury aged, mean yr [sd] 12.5 [6.7] 13.1 [7.1] 10.9 [4.9] t 2.45 (273)e 0.01
 at < 16 yr 192 (69.8) 132 (65.4) 60 (82.2) 2.45 (1.26, 4.76) 0.008
 at ≥16 yr 83 (30.2) 70 (34.7) 13 (17.8) Referent
LOC 195 (69.6) 137 (67.2) 58 (76.3) 1.58 (0.86, 2.88) 0.14
LOC > 20 mins. 61 (21.8) 41 (20.1) 20 (26.3) 1.42 (0.77, 2.63) 0.26
Memory loss 65 (23.3) 43 (21.1) 22 (29.3) 1.55 (0.85, 2.83) 0.15
Caused by accident 121 (43.8) 93 (46.3) 28 (37.3) 1.45 (0.84, 2.49) 0.18
Caused by assault 155 (56.2) 108 (53.7) 47 (62.7) Referent
Required doctor visit 220 (78.6) 155 (76.0) 65 (85.5) 1.87 (0.91, 3.82) 0.09
Required A&E visit 214 (76.4) 155 (76.0) 59 (77.6) 1.10 (0.59, 2.06) 0.77
Required surgery 54 (19.3) 38 (18.6) 16 (21.1) 1.16 (0.61, 2.24) 0.65
  1. aPercentage of inmates with more than one head injury
  2. bPercentage of inmates without ADHD
  3. cPercentage of inmates with ADHD
  4. dAge is based on data for 275 inmates, missing first injury age for 5 inmates
  5. et distribution and degrees of freedom