Table 1 Workers sociodemographic characteristics and habits according to the schedule worked
From: Bridging the gap: examining circadian biology and fatigue alongside work schedules
Variable | “2 x 2 x 4” schedule | “4 x 4 x 4 schedule” | “fixed 12 h” schedule | p | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Valid n | Mean/n | SD/% | Valid n | Mean/n | SD/% | Valid n | Mean/n | SD/% | ||
Mean age (yr) | 17 | 38 | 9 | 15 | 43 | 8 | 11 | 43 | 7 | 0.265 |
Body mass index (kg/m2) | 16 | 28.3 | 5.9 | 15 | 29.5 | 3.2 | 11 | 27.0 | 2.9 | 0.385 |
Weight (%): | ||||||||||
Normal | 16 | 6 | 47 | 15 | 2 | 13 | 11 | 3 | 27 | 0.463 |
Overweight | 16 | 7 | 44 | 15 | 7 | 47 | 11 | 6 | 55 | |
Obesity | 16 | 3 | 19 | 15 | 6 | 40 | 11 | 2 | 18 | |
Physical activity (%): | ||||||||||
Less than 2 h per week | 15 | 4 | 27 | 15 | 7 | 47 | 11 | 9 | 82 | 0.098 |
2 to 4 h per week | 15 | 4 | 27 | 15 | 3 | 20 | 11 | 1 | 9 | |
More than 4 h per week | 15 | 7 | 47 | 15 | 5 | 33 | 11 | 1 | 9 | |
Coffee consumption (%): | ||||||||||
No consumption | 16 | 8 | 50 | 15 | 6 | 40 | 11 | 7 | 64 | 0.640 |
Sporadically | 16 | 4 | 25 | 15 | 6 | 40 | 11 | 1 | 9 | |
Once a day | 16 | 3 | 19 | 15 | 3 | 20 | 11 | 2 | 18 | |
Twice a day | 16 | 1 | 6 | 15 | 0 | 0 | 11 | 1 | 9 | |
Three or more times per day | 16 | 0 | 0 | 15 | 0 | 0 | 11 | 0 | 0 | |
Mate consumption (%): | ||||||||||
No consumption | 16 | 1 | 6 | 15 | 1 | 7 | 11 | 2 | 18 | 0.624 |
Sporadically | 16 | 1 | 6 | 15 | 1 | 7 | 11 | 0 | 0 | |
Once a day | 16 | 1 | 6 | 15 | 0 | 0 | 11 | 1 | 9 | |
Twice a day | 16 | 8 | 50 | 15 | 5 | 33 | 11 | 6 | 55 | |
Three or more times per day | 16 | 5 | 31 | 15 | 8 | 53 | 11 | 2 | 18 | |
Commute time to work (min) | 17 | 24 | 22 | 15 | 61 (1) | 14 | 11 | 26 | 9 | < 0.001 |
Side job (%) | 17 | 1 | 6 | 15 | 6 | 40 | 11 | 0 | 0 | 0.008 |
