From: Sleepiness while driving and shiftwork patterns among Korean bus drivers
Driving time | Crude PR (95% CI)a | Adjusted PR (95% CI)b | Adjusted PR (95% CI)c |
---|---|---|---|
First | 1.18 (0.51–2.70) | 1.21 (0.52–2.82) | 1.22 (0.52–2.89) |
Morning | 0.80 (0.37–1.70) | 0.77 (0.35–1.67) | 0.70 (0.31–1.57) |
Post-lunch | *3.91 (2.27–6.72) | *4.12 (2.39–7.11) | *3.97 (2.29–6.90) |
Afternoon | *19.76 (4.92–79.37) | *19.66 (4.88–79.20) | *18.26 (4.51–73.89) |
Last | *6.69 (2.99–15.00) | *6.36 (2.83–14.32) | *5.71 (2.51–12.99) |