Article Figures & Data
Tables
- Table 1
Agreement About the Psychiatric Diagnosis Between Experts From the Same and Opposite Sides
Role of the Expert Witnesses Agree Disagree Kappa 95% CI Present Absent Acquired brain injuries Same role 12 55 10 0.623 0.400–0.845 Opposite roles 14 121 12 0.653 0.493–0.814 Schizophrenia-spectrum psychoses Same role 21 47 9 0.737 0.514–0.959 Opposite roles 45 76 26 0.630 0.469–0.791 Substance-induced psychotic disorder Same role 22 48 7 0.795 0.572–1.00 Opposite roles 10 133 4 0.819 0.657–0.980 Depressive disorders Same role 6 59 13 0.381 0.154–0.603 Opposite roles 14 111 22 0.476 0.321–0.630 Anxiety disorders Same role 2 63 11 0.187 −0.037–0.411 Opposite roles 2 129 16 0.144 −0.0138–0.302 Substance dependence or abuse Same role 16 44 17 0.514 0.291–0.737 Opposite roles 45 77 25 0.643 0.481–0.805 Intellectual disability Same role 15 55 7 0.751 0.529–0.974 Opposite roles 20 121 6 0.845 0.684–1.00 Personality disorder Same role 2 72 3 0.555 0.355–0.755 Opposite roles 6 134 7 0.607 0.445–0.768 Principal Axis I diagnosis Same role 42 17 18 0.491 0.281–0.713 Opposite roles 74 35 38 0.453 0.296–0.609 Any psychosis* Same role 24 46 7 0.802 0.578–1.00 Opposite roles 61 64 22 0.702 0.542–0.862 * Diagnoses include schizophrenia-spectrum psychosis, SIPD, psychotic depression, mania, and delirium tremens.
- Table 2
Generalized Estimating Equation Analysis of Factors Associated With Agreement Between Experts About the Principal Axis I Diagnosis
Factor B SE Wald 95% CI Hypothesis Test Lower Upper Wald χ2 df P Univariate Age −0.003 0.0018 −0.006 0.001 2.035 1 0.154 Male −0.112 0.0805 −0.270 0.046 1.937 1 0.164 Employed −0.036 0.0953 −0.223 0.151 0.143 1 0.705 Married −0.222 0.0946 −0.408 −0.037 5.530 1 0.019 Prior convictions 0.014 0.0956 −0.173 0.202 0.022 1 0.881 Homicide matter −0.274 0.0871 −0.444 −0.103 9.867 1 0.002 Same expert role −0.083 0.0550 −0.191 0.025 2.293 1 0.130 Same profession 0.059 0.0842 −0.106 0.224 0.485 1 0.486 Multivariate Age 0.000 0.0021 −0.003 0.005 0.226 1 0.635 Male −0.203 0.0904 −0.026 −0.381 5.069 1 0.024 Employed −0.017 0.799 −0.173 0.140 0.044 1 0.834 Married −0.189 0.0995 −0.384 0.006 3.592 1 0.058 Prior convictions −0.036 0.825 −0.198 0.126 0.191 1 0.662 Homicide matter −0.304 0.0775 −0.456 −0.152 15.402 1 0.000 Same expert role −0.046 0.0496 −0.143 0.051 0.860 1 0.356 Same profession 0.105 0.0798 −0.051 0.262 1.737 1 0.188 Intercept −0.312 0.1439 0.030 0.594 0.4696 1 0.030