Table 4 Association between nighttime sleep duration, daytime napping, and self-reported myopia in children and adolescents with regular sleep-wake time on weekdays.
Variables | OR (95%CI) | P value | |
|---|---|---|---|
Nighttime sleep duration | |||
< 7 h/d | 1.32 (1.19–1.48) | < 0.001 | |
7–8 h/d | 1.18 (1.07–1.28) | < 0.001 | |
>= 8 h/d | 1.00 | ||
Daytime nap duration | |||
None | 1.11 (1.01–1.22) | 0.028 | |
< 0.5 h/d | 1.09 (1.01–1.18) | 0.037 | |
>= 0.5 h/d | 1.00 | ||
Weekend bedtime | |||
Did not deviate | 1.00 | ||
Delayed < 1 h/d | 1.06 (0.97–1.15) | 0.216 | |
Delayed > = 1 h/d | 1.12 (1.01–1.23) | 0.026 | |
Weekend wake time | |||
Did not deviate | 1.00 | ||
Delayed < 1 h/d | 0.99 (0.91–1.09) | 0.880 | |
Delayed >= 1 h/d | 1.11 (1.01–1.22) | 0.026 | |
Social jetlag | |||
< 1 h | 1.00 | ||
>= 1 h | 1.06 (0.99–1.14) | 0.100 |