nap4_caffeine_cups nap4_rem
Name
nap4_caffeine_yn
Label
MSLT: Drank Caffeine 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

Domain
noyesny
  • N: No
  • Y: Yes
Type
choices
Tags
mslt
MSLT: Drank Caffeine prior to Nap 4 vs Study visit number
Visit 1 Visit 2 Visit 3 Visit 4 Visit 5 Incident Outcomes Tracking
Total 797 592 157 - - -
No 329 587 155 - - -
Yes 3 4 2 - - -
Unknown 465 1 - - - -
MSLT: Drank Caffeine prior to Nap 4 vs Sex of the participant
Visit 1
Male Female Total
Total 423 374 797
No 168 161 329
Yes 1 2 3
Unknown 254 211 465
MSLT: Drank Caffeine prior to Nap 4 vs Sex of the participant
Visit 2
Male Female Total
Total 312 280 592
No 310 277 587
Yes 2 2 4
Unknown - 1 1
MSLT: Drank Caffeine prior to Nap 4 vs Sex of the participant
Visit 3
Male Female Total
Total 86 71 157
No 85 70 155
Yes 1 1 2
MSLT: Drank Caffeine prior to Nap 4 vs Race of the participant
Visit 1
Asian Black Hispanic Native American White Total
Total 5 10 5 6 771 797
No 2 3 1 3 320 329
Yes - - - - 3 3
Unknown 3 7 4 3 448 465
MSLT: Drank Caffeine prior to Nap 4 vs Race of the participant
Visit 2
Asian Black Hispanic Native American White Total
Total 4 6 5 4 573 592
No 4 6 5 4 568 587
Yes - - - - 4 4
Unknown - - - - 1 1
MSLT: Drank Caffeine prior to Nap 4 vs Race of the participant
Visit 3
Asian Black Hispanic Native American White Total
Total 3 1 1 2 150 157
No 3 1 1 2 148 155
Yes - - - - 2 2