nap1_time nap2_caffeine_yn
Name
nap2_caffeine_cups
Label
MSLT: # Cups Drank Prior to Nap 2
Description

Clinical MSLT only

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
# of cups
Type
numeric
Tags
mslt
Study visit number vs MSLT: # Cups Drank Prior to Nap 2
N Mean StdDev Median Min Max Unknown Total
Visit 1 2 1.0 ± 0.0 1.0 1.0 1.0 795 797
Visit 2 10 1.0 ± 0.0 1.0 1.0 1.0 582 592
Visit 3 3 1.0 ± 0.0 1.0 1.0 1.0 154 157
Visit 4 - - - - - - - -
Visit 5 - - - - - - - -
Incident Outcomes Tracking - - - - - - - -
Sex of the participant vs MSLT: # Cups Drank Prior to Nap 2
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2 1.0 ± 0.0 1.0 1.0 1.0 795 797
Male - - - - - - 423 423
Female 2 1.0 ± 0.0 1.0 1.0 1.0 372 374
Sex of the participant vs MSLT: # Cups Drank Prior to Nap 2
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 10 1.0 ± 0.0 1.0 1.0 1.0 582 592
Male 2 1.0 ± 0.0 1.0 1.0 1.0 310 312
Female 8 1.0 ± 0.0 1.0 1.0 1.0 272 280
Sex of the participant vs MSLT: # Cups Drank Prior to Nap 2
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 3 1.0 ± 0.0 1.0 1.0 1.0 154 157
Male - - - - - - 86 86
Female 3 1.0 ± 0.0 1.0 1.0 1.0 68 71
Race of the participant vs MSLT: # Cups Drank Prior to Nap 2
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2 1.0 ± 0.0 1.0 1.0 1.0 795 797
Asian - - - - - - 5 5
Black - - - - - - 10 10
Hispanic - - - - - - 5 5
Native American - - - - - - 6 6
White 2 1.0 ± 0.0 1.0 1.0 1.0 769 771
Race of the participant vs MSLT: # Cups Drank Prior to Nap 2
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 10 1.0 ± 0.0 1.0 1.0 1.0 582 592
Asian - - - - - - 4 4
Black - - - - - - 6 6
Hispanic - - - - - - 5 5
Native American - - - - - - 4 4
White 10 1.0 ± 0.0 1.0 1.0 1.0 563 573
Race of the participant vs MSLT: # Cups Drank Prior to Nap 2
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 3 1.0 ± 0.0 1.0 1.0 1.0 154 157
Asian - - - - - - 3 3
Black - - - - - - 1 1
Hispanic - - - - - - 1 1
Native American - - - - - - 2 2
White 3 1.0 ± 0.0 1.0 1.0 1.0 147 150