Table 2 Association between sleep-wake schedule and self-reported myopia in children and adolescents.
Variables | OR (95%CI) | P value | |
|---|---|---|---|
Nighttime sleep duration | |||
< 7 h/d | 1.27 (1.17–1.38) | < 0.001 | |
7–8 h/d | 1.15 (1.07–1.27) | < 0.001 | |
>= 8 h/d | 1.00 | ||
Daytime nap duration | |||
None | 1.10 (1.03–1.18) | 0.005 | |
< 0.5 h/d | 1.06 (0.99–1.12) | 0.056 | |
>= 0.5 h/d | 1.00 | ||
Weekday bedtime | |||
Regular | 1.00 | ||
Irregular | 1.11 (1.05–1.17) | < 0.001 | |
Weekday wake time | |||
Regular | 1.00 | ||
Irregular | 1.21 (1.12–1.30) | < 0.001 | |
Weekend bedtime | |||
Did not deviate | 1.00 | ||
Delayed < 1 h/d | 1.08 (1.01–1.16) | 0.029 | |
Delayed > = 1 h/d | 1.17 (1.09–1.25) | < 0.001 | |
Weekend wake time | |||
Did not deviate | 1.00 | ||
Delayed < 1 h/d | 1.05 (0.97–1.13) | 0.207 | |
Delayed > = 1 h/d | 1.11 (1.03–1.19) | 0.006 | |
Sleep-wake time on weekdays | |||
Regular | 1.00 | ||
Irregular | 1.13 (1.07–1.19) | < 0.001 | |
Social jetlag | |||
< 1 h | 1.00 | ||
>= 1h | 1.08 (1.03–1.14) | 0.003 |