Adaptation to shift work | Kruskal-Wallis test | |||||||
Adapted | Somewhat adapted | Somewhat unadapted | Unadapted | χ 2 | p value | |||
SWSD+ | 0.0 (0) | 42.9 (6) | 50.0 (7) | 7.1 (1) | 3.869 | 0.276 | ||
SWSD− | 12.5 (2) | 56.3 (9) | 31.3 (5) | 0.0 (0) | ||||
ONEW | 14.3 (2) | 35.7 (5) | 42.9 (6) | 7.1 (1) | ||||
DW | 0.0 (0) | 83.3 (5) | 16.7 (1) | 0.0 (0) | ||||
Workload | ||||||||
Very easy | Easy | Moderate | Hard | Very hard | ||||
Day shift | SWSD+ | 0.0 (0) | 30.8 (4) | 30.8 (4) | 38.5 (5) | 0.0 (0) | 1.27 | 0.736 |
SWSD− | 0.0 (0) | 6.3 (1) | 68.8 (11) | 25.0 (4) | 0.0 (0) | |||
ONEW | 8.3 (1) | 8.3 (1) | 58.3 (7) | 25.0 (3) | 0.0 (0) | |||
DW | 16.7 (1) | 16.7 (1) | 50.0 (3) | 16.7 (1) | 0.0 (0) | |||
Evening shift | SWSD+ | 0.0 (0) | 0.0 (0) | 42.9 (6) | 42.9 (6) | 14.3 (2) | 0.354 | 0.838 |
SWSD− | 0.0 (0) | 6.3 (1) | 31.3 (5) | 62.5 (10) | 0.0 (0) | |||
ONEW | 0.0 (0) | 7.7 (1) | 46.2 (6) | 30.8 (4) | 15.4 (2) | |||
Night shift | SWSD+a | 0.0 (0) | 0.0 (0) | 7.1 (1) | 28.6 (4) | 64.3 (9) | 7.533 | 0.027 |
SWSD− | 0.0 (0) | 6.3 (1) | 6.3 (1) | 75.0 (12) | 12.5 (2) | |||
ONEW | 9.1 (1) | 0.0 (0) | 9.1 (1) | 54.5 (6) | 27.3 (3) | |||
Perceived risk of human error | ||||||||
Very low | Low | Moderate | High | Very high | ||||
Day shift | SWSD+ | 8.3 (1) | 25.0 (3) | 66.7(8) | 0.0(0) | 0.0 (0) | 3.161 | 0.367 |
SWSD− | 0.0 (0) | 25.0 (4) | 62.5 (10) | 12.5 (4) | 0.0 (0) | |||
ONEW | 25.0 (3) | 16.7 (2) | 58.3 (7) | 0.0 (0) | 0.0 (0) | |||
DW | 0.0 (0) | 16.7 (1) | 83.3 (5) | 0.0 (0) | 0.0 (0) | |||
Evening shift | SWSD+ | 0.0 (0) | 14.3 (2) | 64.3 (9) | 21.4 (3) | 0.0 (0) | 0.315 | 0.854 |
SWSD− | 0.0 (0) | 12.5 (2) | 56.3 (9) | 31.3 (10) | 0.0 (0) | |||
ONEW | 7.7 (1) | 15.4 (2) | 46.2 (6) | 30.8 (4) | 0.0 (0) | |||
Night shift | SWSD+ | 0.0 (0) | 0.0 (0) | 14.3 (2) | 50.0 (7) | 35.7 (5) | 4.456 | 0.108 |
SWSD− | 0.0 (0) | 0.0 (0) | 31.3 (5) | 62.5 (12) | 6.3 (1) | |||
ONEW | 9.1 (1) | 9.1 (1) | 27.3 (3) | 36.4 (4) | 18.2 (2) |