Statistical Analysis
cognitive stress, presenteeism
Descriptive statistics of the variables of interest were calculated for all the participants and for the two groups (intervention group vs control group) separately. Wilcoxon rank-sum tests and To test the intervention effect on presenteeism and absenteeism, we used multilevel modeling for repeated measures with measurements (level 1) nested within subjects (level 2). Since the number of cases for each level would have been less than 30 [We constructed mediational models to determine the mediating role of general and cognitive stress in the association between groups (intervention vs control) and presenteeism and absenteeism [Data were analyzed using the statistical programming language R [