Table 2

Associations between age at study onset, gender and Scottish Index of Multiple Deprivation with survival outcome 13 years after study entry

GroupVariableAlive at 13 years*Dead at 13 yearsOR for death (95% CI)
Head injuryAge32.8 (14.6)59.0 (18.9)1.52 (1.43 to 1.62)
Gender
 Male376 (62.5)226 (37.5)0.78 (0.47 to 1.31)
 Female76 (49.0)79 (51.0)
SIMD 2006 score46.1 (22.8)44.5 (22.1)1.02 (0.97 to 1.06)
Other injury controlAge35.9 (15.9)63.7 (18.2)1.53 (1.44 to 1.63)
Gender
 Male450 (74.6)153 (25.4)0.99 (0.58 to 1.69)
 Female92 (59.7)62 (40.3)
SIMD 2006 score45.1 (22.8)40.5 (22.7)1.00 (0.96 to 1.05)
Community controlAge38.7 (17.6)70.3 (14.2)1.69 (1.55 to 1.85)
Gender
 Male507 (84.1)96 (15.9)0.47 (0.25 to 0.87)
 Female115 (74.7)39 (25.3)
SIMD 2006 score41.3 (22.9)43.0 (23.4)1.09 (1.03 to 1.15)
  • ORs and confidence limits are from multiple logistic regression within each study group.

  • * Mean and SD except for gender, where number and percentage alive or dead are stated.

  • ORs for gender are for female versus male; for age are per 5 additional years; and for SIMD are per 5 additional points.

  • SIMD, Scottish Index of Multiple Deprivation.