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Table 6 Average Costs Model Results and Estimated Marginal Predictions for Inmates with ADHD (Compared with Inmates without ADHD; n = 96 ADHD, n = 294 non-ADHD)

From: The economic consequences of attention-deficit hyperactivity disorder in the Scottish prison system

  3 month beta coefficient 3 month Predicted margin 1 year Predicted margin
Medical Costs 0.25* £ 135.9 £ 543.6
Prison Costs 0.25 £ 11.4 £ 45.6
Total Costs 0.24** £ 147.5 £ 590
  1. Note: Findings from Generalised Linear Model using gamma error distribution and log link function, adjusted for age
  2. *p < 0.05
  3. **p < 0.01