Name
ttlprdbd
Label
Total In-Bed Period: the interval between lights out/in-bed time and lights off/out-bed time.
Description

Conventionally this variable would be called time in bed

Units
minutes
Type
integer
Labels
A4b. Visit of Sleep Study vs Total In-Bed Period: the interval between lights out/in-bed time and lights off/out-bed time.
N Mean StdDev Median Min Max Unknown Total
Visit 1 3,012 473.2 ± 101.5 480.0 121.0 742.0 - 3,012
Visit 3 2,332 455.2 ± 100.4 464.0 121.0 810.0 - 2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Total In-Bed Period: the interval between lights out/in-bed time and lights off/out-bed time.
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3,012 473.2 ± 101.5 480.0 121.0 742.0 - 3,012
Non-Hispanic White 1,842 473.2 ± 96.1 482.0 121.0 742.0 - 1,842
Non-Hispanic Black 359 462.7 ± 117.6 468.0 125.0 721.0 - 359
Hispanic 557 477.7 ± 108.2 480.0 135.0 720.0 - 557
Asian 112 484.9 ± 85.3 483.5 147.0 713.0 - 112
Other 142 473.3 ± 108.9 488.0 123.0 693.0 - 142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Total In-Bed Period: the interval between lights out/in-bed time and lights off/out-bed time.
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 2,332 455.2 ± 100.4 464.0 121.0 810.0 - 2,332
Non-Hispanic White 1,494 454.1 ± 98.0 464.0 126.0 720.0 - 1,494
Non-Hispanic Black 247 454.9 ± 110.3 463.0 121.0 717.0 - 247
Hispanic 397 459.2 ± 102.8 460.0 149.0 810.0 - 397
Asian 84 449.2 ± 101.4 454.5 160.0 713.0 - 84
Other 110 460.9 ± 101.5 462.5 190.0 676.0 - 110