Fig. 3. Mean decline in cortisol concentration between 8:00 and 8:30 hours and 20:00 and 22:30 hours, adjusted for age and negative affect, in participants divided on the basis of job strain, job demands, job control, and skill utilization.
Fig. 3. Mean decline in cortisol concentration between 8:00 and 8:30 hours and 20:00 and 22:30 hours, adjusted for age and negative affect, in participants divided on the basis of job strain, job demands, job control, and skill utilization.