nap2_caffeine_cups nap2_rem
Name
nap2_caffeine_yn
Label
MSLT: Drank Caffeine 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

Domain
noyesny
  • N: No
  • Y: Yes
Type
choices
Tags
mslt
MSLT: Drank Caffeine prior to Nap 2 vs Study visit number
Visit 1 Visit 2 Visit 3 Visit 4 Visit 5 Incident Outcomes Tracking
Total 797 592 157 - - -
No 330 581 154 - - -
Yes 2 10 3 - - -
Unknown 465 1 - - - -
MSLT: Drank Caffeine prior to Nap 2 vs Sex of the participant
Visit 1
Male Female Total
Total 423 374 797
No 169 161 330
Yes - 2 2
Unknown 254 211 465
MSLT: Drank Caffeine prior to Nap 2 vs Sex of the participant
Visit 2
Male Female Total
Total 312 280 592
No 310 271 581
Yes 2 8 10
Unknown - 1 1
MSLT: Drank Caffeine prior to Nap 2 vs Sex of the participant
Visit 3
Male Female Total
Total 86 71 157
No 86 68 154
Yes - 3 3
MSLT: Drank Caffeine prior to Nap 2 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 3 321 330
Yes - - - - 2 2
Unknown 3 7 4 3 448 465
MSLT: Drank Caffeine prior to Nap 2 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 4 562 581
Yes - - - - 10 10
Unknown - - - - 1 1
MSLT: Drank Caffeine prior to Nap 2 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 2 147 154
Yes - - - - 3 3