Table 3.

Results of Wilcoxon signed-ranks test for the levels of stress and productivity before/during pandemic

Measure	Test statistic	Standardized test statistic	Mean before the pandemic	Mean during the pandemic
Full sample
Levels of productivity	2709.000	−3.051	7.27	7.11
Levels of stress	6086.000	5.516	4.75	5.73
WFH sample
Levels of productivity	1989.000	−2.004	7.77	7.38
Levels of stress	3923.000	5.384	4.87	5.83
NWFH sample
Levels of productivity	55.000	−2.731	7.48	5.77
Levels of stress	229.000	1.372	4.12	5.25

NWFH=not working from home, WFH=working from home