Table 1

Characteristics of suicides by missing persons and all other suicides

Missing persons, N (%)All other suicides, N (%)tp Value
Mean age (years)41.341.4−0.0740.941
Missing persons, N (%)All other suicides, N (%)χ2dfp Value
Gender
 Male153 (78.9)5965 (79.1)0.00410.948
 Female41 (21.1)1580 (20.9)
Marital status*
 Married81 (50.9)2464 (39.5)8.41610.004
 Not married78 (49.1)3768 (60.5)
Ethnicity*
 Indigenous5 (2.7)469 (6.7)4.65610.031
 Non-indigenous180 (97.3)6542 (93.3)
Remoteness area*
 Metropolitan116 (60.1)4147 (56.3)1.45520.483
 Regional69 (35.8)2814 (38.2)
 Remote8 (4.1)409 (5.5)
Employment status*
 Employed77 (47.5)2627 (41.0)3.45620.178
 Unemployed42 (25.9)1691 (26.4)
 Not in labour force43 (26.5)2091 (32.6)
Living arrangements*
 With spouse64 (41.6)1776 (29.1)29.14230.000
 Alone21 (13.6)1836 (30.1)
 Institution8 (5.2)121 (2.0)
 Other arrangements61 (39.6)2365 (38.8)
Physical and mental health
 Physical illness (at least one)48 (24.7)2331 (30.9)3.36310.067
 Diagnosed mental illness (at least one)95 (49.0)2995 (39.7)6.78210.009
 Undiagnosed/suspected mental illness42 (21.6)1274 (16.9)3.04210.081
 Contact with mental health professional (last 3 months)58 (29.9)1772 (23.5)4.30610.038
 Drug use31 (16.0)1729 (22.9)5.17910.023
 Problematic alcohol use18 (9.3)1317 (17.5)8.85910.003
Expressions of suicidality
 Communicated suicidal intent (lifetime)87 (44.8)3011 (39.9)5.07810.024
 Past suicide attempt (lifetime)36 (18.6)2109 (28.0)2.37710.123
 Suicide note85 (43.8)2767 (36.7)4.14510.042
Preceding stressful life event
 Any life event111 (57.2)4349 (57.6)0.01410.906
 Relationship breakdown, separation29 (14.9)1451 (19.2)2.24310.134
 Conflict with partner26 (13.4)736 (9.8)2.83410.092
 Conflict with other persons22 (11.3)670 (8.9)1.40610.236
 Bereavement15 (7.7)608 (8.1)0.23610.869
 Pending legal matters12 (6.2)561 (7.4)0.43110.512
 Financial problems15 (7.7)585 (7.8)0.00010.991
 Recent unemployment13 (6.7)402 (5.3)0.70310.402
 Work/school problems9 (4.6)395 (5.2)0.13610.712
  • p Values in bold denote statistical difference at level p<0.05.

  • * Cases with unknown or missing value were excluded (marital status: 1348 (17.4%), ethnicity: 543 (7%), remoteness area: 176 (2.3%), employment status: 1168 (15.1%), living arrangements: 1487 (19.2%)).