Table 2 Relation of sleep apnea, sleep duration, and self-reported sleepiness to motor vehicle crash risk
From: Sleep deficiency and motor vehicle crash risk in the general population: a prospective cohort study
Characteristic | All participants (n = 3201) | Participants without excessive sleepiness* (n = 2402) |
|---|---|---|
Apnea-hypopnea index – per 10 events/hour | 1.15 (1.04, 1.26) | 1.17 (1.02 1.33) |
P < 0.01 | P = 0.02 | |
Usual sleep duration – per hour less sleep | 1.13 (1.01, 1.28) | 1.22 (1.05, 1.43) |
P = 0.04 | P < 0.01 | |
Excessive daytime sleepiness (Epworth Sleepiness Scale score ≥ 11) | 1.54 (1.15, 2.07) | – |
P < 0.01 |