Name
coffee10
Label
Morning Survey (SHHS1): cups of coffee before bed
Description

How many cups of coffee (with caffeine) 4 hours before going to sleep last night? (number, up to 2 digits)

Units
cups
Type
numeric
Tags
SHHS Visit Number vs Morning Survey (SHHS1): cups of coffee before bed
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,606 0.1 ± 0.4 0.0 0.0 6.0 198 5,804
Visit 2 - - - - - - 4,080 4,080
CVD Outcomes - - - - - - 5,042 5,042
Age at SHHS1 vs Morning Survey (SHHS1): cups of coffee before bed
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,606 0.1 ± 0.4 0.0 0.0 6.0 198 5,804
39.0 to 55.0 years 1,398 0.08 ± 0.4 0.0 0.0 6.0 53 1,451
55.0 to 63.0 years 1,401 0.1 ± 0.4 0.0 0.0 5.0 50 1,451
63.0 to 72.0 years 1,403 0.1 ± 0.4 0.0 0.0 5.0 48 1,451
72.0 to 100.0 years 1,404 0.08 ± 0.4 0.0 0.0 4.0 47 1,451
Gender vs Morning Survey (SHHS1): cups of coffee before bed
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,606 0.1 ± 0.4 0.0 0.0 6.0 198 5,804
Female 2,932 0.09 ± 0.4 0.0 0.0 6.0 107 3,039
Male 2,674 0.1 ± 0.4 0.0 0.0 5.0 91 2,765
Gender vs Morning Survey (SHHS1): cups of coffee before bed
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total - - - - - - 4,080 4,080
Female - - - - - - 2,219 2,219
Male - - - - - - 1,861 1,861
Race vs Morning Survey (SHHS1): cups of coffee before bed
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,606 0.1 ± 0.4 0.0 0.0 6.0 198 5,804
white 4,752 0.1 ± 0.4 0.0 0.0 6.0 155 4,907
black 495 0.04 ± 0.2 0.0 0.0 2.0 20 515
native amer/alaskan 11 0.2 ± 0.6 0.0 0.0 2.0 - 11
asian/pacific islander 83 0.07 ± 0.3 0.0 0.0 2.0 5 88
hispanic/mex. amer 262 0.1 ± 0.4 0.0 0.0 4.0 18 280
other 3 0.7 ± 1.2 0.0 0.0 2.0 - 3
Race vs Morning Survey (SHHS1): cups of coffee before bed
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total - - - - - - 4,080 4,080
white - - - - - - 3,587 3,587
black - - - - - - 256 256
native amer/alaskan - - - - - - 8 8
asian/pacific islander - - - - - - 48 48
hispanic/mex. amer - - - - - - 180 180
other - - - - - - 1 1