Intervention costs*: direct costs of employees and materials and buildings: |
- Wages of employees and the amount of time spent on the intervention |
- Materials (re-usable/non re-usable, e.g. buildings, transport, didactic material) and attributable costs (distinguishing between fixed and variable costs)? |
Direct treatment costs*: direct medical costs for treatment of symptomatic (physical and psychical) health problems related to different levels of use. |
Indirect productivity costs: impact of the different levels of drug use on |
- Absenteeism as a consequence of morbidity |
- Decreasing personal development and level of productivity |
- Unemployment |
Indirect 'control' costs |
- repressive and (secondary) preventive means to deal with social trouble (e.g. police activities, social workers, prisons,...) |
▪ linearly related to the number of users |
▪ non-linearly related to the number of users |