Age

Visit vs Sleep Efficiency: the ratio of sleep duration (i.e. total sleep time) to in-bed period from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 78.7 ± 13.0 81.4 4.4 99.3 3 735
Participant's age (category) vs Sleep Efficiency: the ratio of sleep duration (i.e. total sleep time) to in-bed period from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 78.5 ± 13.1 81.1 4.4 99.3 3 658
5-14 yrs old 64 86.8 ± 11.5 90.2 50.1 99.3 - 64
15-24 yrs old 112 84.4 ± 9.7 86.1 50.3 99.1 - 112
25-34 yrs old 62 83.1 ± 9.2 84.3 58.0 97.8 - 62
35-44 years 97 81.5 ± 11.4 84.2 47.7 96.3 1 98
45-54 years 146 76.9 ± 11.0 78.3 37.7 95.5 2 148
55-64 years 84 73.1 ± 12.2 75.8 37.0 92.6 - 84
65-74 years 57 68.2 ± 13.6 69.4 30.9 92.5 - 57
75-84 years 31 63.2 ± 16.8 67.4 4.4 86.9 - 31
85 years or older 2 66.4 ± 3.3 66.4 64.1 68.8 - 2
Participant's sex vs Sleep Efficiency: the ratio of sleep duration (i.e. total sleep time) to in-bed period from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 78.7 ± 13.0 81.4 4.4 99.3 3 735
Female 403 80.0 ± 11.7 82.5 38.4 99.2 3 406
Male 329 77.0 ± 14.2 80.0 4.4 99.3 - 329
Participant's race vs Sleep Efficiency: the ratio of sleep duration (i.e. total sleep time) to in-bed period from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 78.7 ± 13.0 81.4 4.4 99.3 3 735
White 302 78.7 ± 12.6 81.4 28.7 98.6 2 304
Black 408 78.5 ± 13.4 81.1 4.4 99.3 1 409
More than one race 22 81.6 ± 8.2 83.0 57.2 94.3 - 22