Table 2

Daily time spent in bed (hours : minutes) by male and female participants in OSSLS2
All participants (n = 685) Girls (n = 299) Boys (n = 386)
Median (IQR) Median (IQR) Median (IQR)
Entire week 9:11 (8:34, 9:45) 9:17a (8.37, 9:49) 9:08a (8:34, 9:41)
Weekdays only 9:00 (8:15, 9:30) 9:00a (8:15, 9:30) 9:00a (8:15, 9:30)
Weekend days only 10:00 (9:00, 10:45) 10:00a (9:00, 11:00) 10:00b (8:45, 10:30)
Sleep Difference 1.15 (0:30, 2:00) 1:15a (0:30, 2:00) 1:00a (0:30, 2:00)

OSSLS2 Otago School Students Lifestyle Survey Two.

Sleep difference = the difference in sleep hours per night between weekends and weekdays (Weekend - Weekday); For each sex group, values within a row with unlike superscript letters were significantly different (P < 0.05).

Skidmore et al.

Skidmore et al. Nutrition Journal 2013 12:128   doi:10.1186/1475-2891-12-128

Open Data