nap4_caffeine_yn nap4_sl
Name
nap4_rem
Label
MSLT: Latency to REM (Nap 4)
Description

Variable from a Multiple Sleep Latency Test (MSLT), Roehrs & Roth 1992 (PubMed ID: 1552009).

Search for all Multiple Sleep Latency Test variables within this dataset

Units
minutes
Type
numeric
Tags
mslt
Study visit number vs MSLT: Latency to REM (Nap 4)
N Mean StdDev Median Min Max Unknown Total
Visit 1 21 7.6 ± 4.3 8.5 1.0 15.0 776 797
Visit 2 34 7.4 ± 3.9 7.0 0.8 14.5 558 592
Visit 3 7 7.6 ± 3.3 7.0 3.0 11.5 150 157
Visit 4 - - - - - - - -
Visit 5 - - - - - - - -
Incident Outcomes Tracking - - - - - - - -
Sex of the participant vs MSLT: Latency to REM (Nap 4)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 21 7.6 ± 4.3 8.5 1.0 15.0 776 797
Male 17 8.3 ± 4.1 9.5 1.5 15.0 406 423
Female 4 4.6 ± 4.4 3.3 1.0 11.0 370 374
Sex of the participant vs MSLT: Latency to REM (Nap 4)
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 34 7.4 ± 3.9 7.0 0.8 14.5 558 592
Male 23 8.1 ± 3.8 8.0 2.0 14.5 289 312
Female 11 6.0 ± 4.0 6.8 0.8 14.5 269 280
Sex of the participant vs MSLT: Latency to REM (Nap 4)
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 7 7.6 ± 3.3 7.0 3.0 11.5 150 157
Male 6 8.1 ± 3.3 8.5 3.0 11.5 80 86
Female 1 4.5 - 4.5 4.5 4.5 70 71
Race of the participant vs MSLT: Latency to REM (Nap 4)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 21 7.6 ± 4.3 8.5 1.0 15.0 776 797
Asian - - - - - - 5 5
Black 1 11.0 - 11.0 11.0 11.0 9 10
Hispanic - - - - - - 5 5
Native American - - - - - - 6 6
White 20 7.4 ± 4.3 8.0 1.0 15.0 751 771
Race of the participant vs MSLT: Latency to REM (Nap 4)
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 34 7.4 ± 3.9 7.0 0.8 14.5 558 592
Asian - - - - - - 4 4
Black 1 8.0 - 8.0 8.0 8.0 5 6
Hispanic - - - - - - 5 5
Native American 1 9.0 - 9.0 9.0 9.0 3 4
White 32 7.3 ± 4.0 7.0 0.8 14.5 541 573
Race of the participant vs MSLT: Latency to REM (Nap 4)
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 7 7.6 ± 3.3 7.0 3.0 11.5 150 157
Asian - - - - - - 3 3
Black - - - - - - 1 1
Hispanic - - - - - - 1 1
Native American - - - - - - 2 2
White 7 7.6 ± 3.3 7.0 3.0 11.5 143 150