Name
pctdursp_salt85_f1t3
Label
Percentage of total estimated sleep duration with < 85% oxygen saturation from type III home sleep apnea test
Description

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Units
percentage
Type
numeric
A4b. Visit of Sleep Study vs Percentage of total estimated sleep duration with < 85% oxygen saturation from type III home sleep apnea test
N Mean StdDev Median Min Max Unknown Total
Visit 1 3,012 0.002 ± 0.04 0.0 0.0 1.5 - 3,012
Visit 3 2,332 0.03 ± 0.9 0.0 0.0 35.2 - 2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Percentage of total estimated sleep duration with < 85% oxygen saturation from type III home sleep apnea test
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3,012 0.002 ± 0.04 0.0 0.0 1.5 - 3,012
Non-Hispanic White 1,842 0.001 ± 0.03 0.0 0.0 0.9 - 1,842
Non-Hispanic Black 359 0.007 ± 0.08 0.0 0.0 1.5 - 359
Hispanic 557 0.0006 ± 0.008 0.0 0.0 0.2 - 557
Asian 112 0.0007 ± 0.006 0.0 0.0 0.06 - 112
Other 142 0.0002 ± 0.003 0.0 0.0 0.03 - 142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Percentage of total estimated sleep duration with < 85% oxygen saturation from type III home sleep apnea test
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 2,332 0.03 ± 0.9 0.0 0.0 35.2 - 2,332
Non-Hispanic White 1,494 0.03 ± 0.9 0.0 0.0 35.2 - 1,494
Non-Hispanic Black 247 0.006 ± 0.04 0.0 0.0 0.6 - 247
Hispanic 397 0.06 ± 1.1 0.0 0.0 21.1 - 397
Asian 84 0.006 ± 0.04 0.0 0.0 0.3 - 84
Other 110 0.004 ± 0.04 0.0 0.0 0.4 - 110