Research Article

A Multiobjective Optimization Model of Production-Sourcing for Sustainable Supply Chain with Consideration of Social, Environmental, and Economic Factors

Table 1

Severity classes of work-related injuries/illnesses.

Severity class description

1Less than a week absent from work
2Less than a month absent from work
3Less than 3 months absent from work
4Less than 6 months absent from work
5Less than a year absent from work
6Occupational disability (the person will not be able to work in the previous job again)
7Fatalities