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 |