Table 2

Hours of work and sleep recorded among 38 702 study months

CharacteristicsMean (standard deviation) in hours
Weekly work hours60.0 (16.1)
 Hours engaged in patient care44.2 (17.9)
Additional weekly work hours related to programme5.2 (5.6)
Additional weekly hours moonlighting0.60 (2.6)
Shifts of extended duration per month1.6 (2.6)
Nightly sleep duration6.9 (1.0)
Sleep duration on shifts of extended duration2.5 (1.8)
Proportion (%) of extended shifts without sleep14% (n=2068/14 319)
Days off per month6.1 (2.2)