TABLE 1.
Data attrition rate.
Time lags | Survey sections | Questionnaire distributed | Questionnaire returned | Questionnaire lost | Attrition rate (%) |
Wave-1 | AAP* and participants’ demographics | 600 | 435 | 165 | 27.5 |
Wave-2 | Anxiety | 435 | 356 | 79 | 18.16 |
Wave-3 | Employees performance | 356 | 299 | 57 | 16.01 |
*Ambient air pollution.