nsrr_phrnumar_f1 nsrr_pctdursp_s2
Name
nsrr_pctdursp_s1
Label
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 from polysomnography
Description

Harmonized by the NSRR team. Source: timest1p

Units
percent (%)
Type
numeric
Tags
pctdursp_s1_f1t2
Sleep Heart Health Study (SHHS) Visit Number vs Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 from polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,642 5.4 ± 3.9 4.6 0.0 39.1 162 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,620 5.8 ± 4.0 4.9 0.0 37.9 1,691 4,311
CVD Outcomes - - - - - - - -