Forskellen mellem fraværsprocenten blandt skifteholdsarbejdere og blandt dagarbejdere kan forklares ved, at ingen kvinder arbejder på nathold, og at personer med helbredsproblemer bliver placeret på faste daghold.
The difference in the level of absence among shiftworkers compared with day workers can be explained by the fact that there are no women working night shifts and that people who have health problems are assigned to day work.