Cleveland Family Study

/datasets/cfs/variables/dayslp /datasets/cfs/variables/dayslp_dur_mn

Calculated sleep duration on weekdays

Description

The difference between DAYSLP (self-reported sleep time) and DAYWAKE (self-reported wake time). The value will be missing if either DAYSLP or DAYWAKE are missing.

Units hours
Type numeric

Visit vs Calculated sleep duration on weekdays

N Mean StdDev Median Min Max Unknown Total
Visit 5 716 7.3 ± 1.8 7.3 1.3 14.0 19 735

Age at time of visit vs Calculated sleep duration on weekdays

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 641 7.3 ± 1.8 7.3 1.3 14.0 17 658
5-14 yrs old 63 9.0 ± 1.7 9.1 2.7 13.0 1 64
15-24 yrs old 110 7.8 ± 1.6 7.8 3.8 11.9 2 112
25-34 yrs old 61 7.1 ± 2.0 7.4 1.3 11.4 1 62
35-44 years 95 6.7 ± 1.4 6.6 2.0 11.5 3 98
45-54 years 146 6.7 ± 1.6 6.8 2.7 12.5 2 148
55-64 years 81 7.0 ± 1.7 7.0 3.3 13.0 3 84
65-74 years 54 7.3 ± 2.0 7.4 2.0 14.0 3 57
75-84 years 29 7.5 ± 1.8 7.5 3.0 11.5 2 31
85 years or older 2 6.9 ± 1.2 6.9 6.0 7.8 - 2

Sex vs Calculated sleep duration on weekdays

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 716 7.3 ± 1.8 7.3 1.3 14.0 19 735
Female 393 7.3 ± 1.7 7.3 1.3 12.9 13 406
Male 323 7.3 ± 1.9 7.3 2.7 14.0 6 329

Race vs Calculated sleep duration on weekdays

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 716 7.3 ± 1.8 7.3 1.3 14.0 19 735
White 298 7.3 ± 1.4 7.3 2.8 11.4 6 304
Black 396 7.2 ± 2.0 7.3 1.3 14.0 13 409
Other 22 7.7 ± 1.9 7.6 4.4 13.0 - 22