Table 3:

Distinguishing circumstances of suicide

VariableTiming of concussion; no. (%) of suicide deaths*
Weekend
n = 148
Weekday
n = 519
Determination of death as definite suicide107 (72)393 (76)
Time since concussion, yr, mean ± SD5.6 ± 4.55.8 ± 4.8
Age at death, yr, mean ± SD43.6 ± 14.144.1 ± 14.1
Mechanism of death
 Poisoning66 (45)227 (44)
 Asphyxiation51 (34)158 (30)
 Violence18 (12)80 (15)
 Jumping8 (5)39 (8)
 Other5 (3)15 (3)
Recent physician visit
 < 1 wk75 (51)240 (46)
 < 1 mo114 (77)370 (71)
 < 1 yr142 (96)494 (95)
Physician specialty
 Psychiatry12 (8)55 (11)
 Neurology§7 (5)16 (3)
 Internal medicine16 (11)38 (7)
 Family medicine90 (61)334 (64)
 Other17 (11)51 (10)
Recent diagnosis
 Psychiatric**40 (27)166 (32)
 Neurologic††4 (3)25 (5)
 Medical‡‡40 (27)139 (27)
 Miscellaneous§§64 (43)189 (36)
  • Note: SD = standard deviation.

  • * Unless indicated otherwise.

  • Asphyxiation includes hanging, strangulation, drowning and suffocation.

  • Violence includes firearms, explosives, crashes and stabbings.

  • § Includes neurosurgery, anesthesiology, ophthalmology and otolaryngology.

  • Includes surgery, obstetrics, gynecology and medical imaging.

  • ** Codes 295 to 316 (International Classification of Diseases and Related Health Problems, 9th revision41 [ICD-9]).

  • †† ICD-9 codes 290 to 389, except psychiatric.

  • ‡‡ ICD-9 codes 001 to 779, except psychiatric or neurologic.

  • §§ ICD-9 codes 780 to 999 or missing.