Cost of Productivity Lost (CPL): CPL is the cost of productivity lost due to premature mortality and absenteeism.
where S=average salary per day considering the number of paid working days per week as 6; Lj=average recovery time; N=Number of incident cases; P=proportion of the working population in cohort ‘j’. For the computation of productivity losses, the proportion of the working population was considered along with an extended disability period for severe cases to account for the intensive care unit stay.