nap3_time nap4_caffeine_yn
Name
nap4_caffeine_cups
Label
MSLT: # Cups Drank Prior to Nap 4
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 4
N Mean StdDev Median Min Max Unknown Total
Visit 1 3 1.0 ± 0.0 1.0 1.0 1.0 794 797
Visit 2 4 1.0 ± 0.0 1.0 1.0 1.0 588 592
Visit 3 2 1.0 ± 0.0 1.0 1.0 1.0 155 157
Visit 4 - - - - - - - -
Visit 5 - - - - - - - -
Incident Outcomes Tracking - - - - - - - -
Sex of the participant vs MSLT: # Cups Drank Prior to Nap 4
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3 1.0 ± 0.0 1.0 1.0 1.0 794 797
Male 1 1.0 - 1.0 1.0 1.0 422 423
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 4
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 4 1.0 ± 0.0 1.0 1.0 1.0 588 592
Male 2 1.0 ± 0.0 1.0 1.0 1.0 310 312
Female 2 1.0 ± 0.0 1.0 1.0 1.0 278 280
Sex of the participant vs MSLT: # Cups Drank Prior to Nap 4
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 2 1.0 ± 0.0 1.0 1.0 1.0 155 157
Male 1 1.0 - 1.0 1.0 1.0 85 86
Female 1 1.0 - 1.0 1.0 1.0 70 71
Race of the participant vs MSLT: # Cups Drank Prior to Nap 4
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3 1.0 ± 0.0 1.0 1.0 1.0 794 797
Asian - - - - - - 5 5
Black - - - - - - 10 10
Hispanic - - - - - - 5 5
Native American - - - - - - 6 6
White 3 1.0 ± 0.0 1.0 1.0 1.0 768 771
Race of the participant vs MSLT: # Cups Drank Prior to Nap 4
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 4 1.0 ± 0.0 1.0 1.0 1.0 588 592
Asian - - - - - - 4 4
Black - - - - - - 6 6
Hispanic - - - - - - 5 5
Native American - - - - - - 4 4
White 4 1.0 ± 0.0 1.0 1.0 1.0 569 573
Race of the participant vs MSLT: # Cups Drank Prior to Nap 4
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 2 1.0 ± 0.0 1.0 1.0 1.0 155 157
Asian - - - - - - 3 3
Black - - - - - - 1 1
Hispanic - - - - - - 1 1
Native American - - - - - - 2 2
White 2 1.0 ± 0.0 1.0 1.0 1.0 148 150