nap2_time nap3_caffeine_yn
Name
nap3_caffeine_cups
Label
MSLT: # Cups Drank Prior to Nap 3
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 3
N Mean StdDev Median Min Max Unknown Total
Visit 1 6 1.0 ± 0.0 1.0 1.0 1.0 791 797
Visit 2 7 1.0 ± 0.0 1.0 1.0 1.0 585 592
Visit 3 1 2.0 - 2.0 2.0 2.0 156 157
Visit 4 - - - - - - - -
Visit 5 - - - - - - - -
Incident Outcomes Tracking - - - - - - - -
Sex of the participant vs MSLT: # Cups Drank Prior to Nap 3
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 6 1.0 ± 0.0 1.0 1.0 1.0 791 797
Male 3 1.0 ± 0.0 1.0 1.0 1.0 420 423
Female 3 1.0 ± 0.0 1.0 1.0 1.0 371 374
Sex of the participant vs MSLT: # Cups Drank Prior to Nap 3
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 7 1.0 ± 0.0 1.0 1.0 1.0 585 592
Male 2 1.0 ± 0.0 1.0 1.0 1.0 310 312
Female 5 1.0 ± 0.0 1.0 1.0 1.0 275 280
Sex of the participant vs MSLT: # Cups Drank Prior to Nap 3
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 1 2.0 - 2.0 2.0 2.0 156 157
Male - - - - - - 86 86
Female 1 2.0 - 2.0 2.0 2.0 70 71
Race of the participant vs MSLT: # Cups Drank Prior to Nap 3
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 6 1.0 ± 0.0 1.0 1.0 1.0 791 797
Asian - - - - - - 5 5
Black - - - - - - 10 10
Hispanic - - - - - - 5 5
Native American - - - - - - 6 6
White 6 1.0 ± 0.0 1.0 1.0 1.0 765 771
Race of the participant vs MSLT: # Cups Drank Prior to Nap 3
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 7 1.0 ± 0.0 1.0 1.0 1.0 585 592
Asian - - - - - - 4 4
Black - - - - - - 6 6
Hispanic - - - - - - 5 5
Native American - - - - - - 4 4
White 7 1.0 ± 0.0 1.0 1.0 1.0 566 573
Race of the participant vs MSLT: # Cups Drank Prior to Nap 3
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 1 2.0 - 2.0 2.0 2.0 156 157
Asian - - - - - - 3 3
Black - - - - - - 1 1
Hispanic - - - - - - 1 1
Native American - - - - - - 2 2
White 1 2.0 - 2.0 2.0 2.0 149 150