Table 4.

Incremental cost-effectiveness ratios for IPS versus vocational services (based on total 18-month costs)

Cost perspective	Additional cost per additional 1% of people working at least 1 day	Additional cost per additional day worked
Overall—available cases	IPS dominates	IPS dominates
Overall—imputed costs	IPS dominates	IPS dominates
London—imputed costs	IPS dominates	IPS dominates
Ulm—imputed costs	IPS dominates	IPS dominates
Rimini—imputed costs	IPS dominates	IPS dominates
Zurich—imputed costs	IPS dominates	IPS dominates
Groningen—imputed costs	£233 / 7.7%=£30	£233 / 24.2 days=£10
Sofia—imputed costs	IPS dominates	IPS dominates

IPS – Individual Placement and Support