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. 2020 Jun 1;15(6):e0233982. doi: 10.1371/journal.pone.0233982

Table 1. Demographic and sleep parameters of the study participants.

N (%) Study Population, 48 (100) Men, 25 (52.1) Women, 23 (47.9) p-value
Age, years, median (range) 31.3 (20–59) 33.5 (20–59) 29.8 (20–59) 0.772
Body Mass Index, kg/m2, mean (SDa) 22.8 ± 2.5 23.2 ± 2.7 22.4 ± 2.4 0.257
Epworth Sleepiness Score, mean (SDa) 6.3 ± 3.1 5.6 ± 3.2 7.1 ± 2.9 0.098
Reported Sleep Duration on work- days, h, mean (SDa) 8.8 ±1.2 8.9 ± 1.3 8.8 ± 1.1 0.837

SD, standard deviation