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Table 3 Bivariate and multivariate analyses for predictors of self-harm for ChildSOs and AdultSOs

From: Self-harm and suicidality among three subgroups of male sex offenders: results from an Australian prisoner cohort

  ChildSOs AdultSOs
Bivariate Multivariate Bivariate Multivariate
OR 95% CI p aOR 95% CI p OR 95% CI p aOR 95% CI p
Age at survey .947 [.98, 1.00] .061 .951 [.88, 1.02] .179 .958 [.92, 1.00] .043 .930 [.86, 1.00] .062
Aboriginal or Torres Strait Islander .667 [.12, 3.58] .636     2.400 [.94, 6.13] .067    
Childhood care placement .346 [.04, 3.01] .336     1.146 [.39, 3.41] .807    
Less than high school education 3.667 [.42, 31.73] .238     3.173 [1.01, 9.98] .048 1.685 [.33, 8.61] .531
Employed before prison .376 [.07, 2.00] .252     1.000 [.40, 2.52] 1.000    
Unstable accommodation before prison 1.743 [.18, 17.13] .634     .915 [.19, 4.38] .911    
Single 1.640 [.38, 7.15] .510     2.279 [.79, 6.61] .130    
Has children 1.171 [.21, 6.42] .856     1.224 [.39, 3.83] .729    
First imprisonment .704 [.15, 3.25] .652     .507 [.17, 1.48] .214    
Four or more chronic health conditions 1.667 [.37, 7.55] .507     1.226 [.44, 3.43] .698    
Any intravenous drug use 2.500 [.22, 27.94] .457     2.786 [.94, 8.25] .064    
Any mental health issue(s) 7.903 [.92, 67.87] .060     4.632 [1.73, 12.39] .002 11.989 [1.14, 126.66] .039
ADD/ADHD 5.167 [.78, 34.30] .089     4.033 [.89, 18.34] .071    
Anxiety 3.800 [.77, 18.72] .101     2.969 [.92, 9.54] .068    
Depression 5.104 [1.10, 23.78] .038 .375 [.03, 5.18] .464 3.238 [1.18, 8.89] .023 .084 [.01, 1.52] .093
Manic-depression 21.333 [1.68, 271,.08] .018 23.180 [.88, 613.36] .060 4.444 [.69, 28.45] .115    
Personality disorder 10.667 [1.27, 89.86] .029 4.438 [.26, 75.01] .302 2.105 [.40, 11.20] .383    
Schizophrenia 5.083 [.77, 33.76] .092     5.250 [1.08, 25.51] .040 .628 [.00, 564.92] .628
Previous admission to psychiatric facilitya 2.875 [.21, 39.68] .430     7.292 [2.25, 23.68] .001 4.077 [.64, 26.10] .138
Psychiatric medication 8.429 [1.72, 41.42] .009 10.234 [.64, 163.14] .100 4.346 [1.49, 12.72] .007 7.861 [.45, 137.20] .158
Psychological treatment 7.765 [.85, 70.75] .069     2.790 [.85, 9.21] .092    
Ever self-harmed
Thought about suicide 6.000 [1.12, 32.20] .037 2.342 [.23, 24.12] .475 9.137 [2.89, 28.92] <.001 2.231 [.16, 31.53] .553
Ever attempted suicide 4.333 [.83, 22.69] .083     11.882 [4.19, 33.71] <.001 4.861 [.44, 54.06] .198
  1. Adjusted odds ratios are presented with non-self-harming offenders of that group as the reference category. The sample sizes ranged from ChildSOs: 31–77 (final model Cox & Snell R2 = .209, Nagelkerke R2 = .415) and AdultSOs: 69–160 (final model Cox & Snell R2 = .246, Nagelkerke R2 = .469)
  2. a Data from 1996 and 2001 surveys