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. 2015 Nov 9;1(2):149–157. doi: 10.1192/bjpo.bp.115.000257

Table 7. Associations of psychotic illness with time to non-violent reoffending.

Baseline model: adjusted for demographya Further adjustments for treatments for alcohol and drug dependence Further adjustments for drug dependence diagnosis



n (%) HR 95% CI P HR 95% CI P %b HR 95% CI P %b
Previous schizophrenia 49 (2.9) 1.41 0.98–2.04 0.065

Current schizophrenia 116 (6.8) 1.35 1.05–1.73 0.018 1.26 0.98–1.62 0.068 22

Previous delusional disorder 21 (1.2) 1.21 0.71–2.07 0.477

Current delusional disorder 29 (1.7) 0.92 0.55–1.53 0.737

Previous drug-induced psychosis 153 (8.9) 1.61 1.33–1.96 <0.001 1.39 1.14–1.70 0.001 31 1.20 0.98–1.47 0.076 62

Current drug-induced psychosis 50 (2.9) 1.50 1.07–2.09 0.018 1.35 0.96–1.90 0.080 25
a

Method: Cox regression. Adjusted for age (in years), gender, marital status, ethnicity and socioeconomic status. Also adjusted for comorbid depression. Further adjustment for violent offending.

b

Percentage change in beta coefficient (beta=log (hazard ratio, HR) from baseline model to final adjusted model. Reported results when % change in beta coefficient increased compared with previous step.

Values in bold are significant.