“…In our study, the main components of the total indirect costs were caused by missed workdays (88%), followed by premature death (12%). In contrast, in another study in Iran, income loss due to premature death was the main component of indirect costs ($10,190), followed by job absenteeism during the recovery course ($1065) and economic production loss due to hospitalization ($378) ( 21 ). Additionally, we found that direct non-medical costs accounted for a small proportion of total indirect costs (1.7%).…”