Costs per patient per specialty process of care were as follows ($):
(a) General medicine: usual care: $1060; level 1: $1270; level 2: $1490; level 3: $1430
(b) Psychiatry: usual care: $3760; level 1: $3940; level 2: $4050; level 3: $3940
(c) Other mental health specialty: usual care: $2500; level 1: $2840; level 2: $2960; level 3: $2910
Costs per patient per process of care in the medical outcomes study (compared to the new specialty mix) were as follows ($):
usual care = $2250 ($1825);
level 1 (increase use of appropriate antidepressant medication) = $2490 ($2060);
level 2 (increase both anti-depressant medication and counselling)= $2650 ($2240);
level 3 (increase antidepressants and counselling and reduce minor tranquillisers)= $2580 ($2180);
level 3a (increase antidepressants and counselling and reduce minor tranquillisers only in general medicine)= $2410 ($2050).