Name
tea10
Label
Morning Survey (Sleep Heart Health Study Visit One (SHHS1)): cups of tea before bed
Description

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

Units
cups
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Morning Survey (Sleep Heart Health Study Visit One (SHHS1)): cups of tea before bed
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,535 0.07 ± 0.3 0.0 0.0 5.0 269 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 - - - - - - - -
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Morning Survey (Sleep Heart Health Study Visit One (SHHS1)): cups of tea before bed
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,535 0.07 ± 0.3 0.0 0.0 5.0 269 5,804
35-44 years 331 0.05 ± 0.3 0.0 0.0 3.0 11 342
45-54 years 971 0.1 ± 0.4 0.0 0.0 4.0 46 1,017
55-64 years 1,676 0.06 ± 0.3 0.0 0.0 5.0 93 1,769
65-74 years 1,542 0.06 ± 0.3 0.0 0.0 4.0 75 1,617
75-84 years 913 0.05 ± 0.2 0.0 0.0 2.0 42 955
85 years or older 102 0.07 ± 0.3 0.0 0.0 2.0 2 104
Gender of the participant vs Morning Survey (Sleep Heart Health Study Visit One (SHHS1)): cups of tea before bed
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,535 0.07 ± 0.3 0.0 0.0 5.0 269 5,804
Male 2,640 0.08 ± 0.4 0.0 0.0 5.0 125 2,765
Female 2,895 0.06 ± 0.3 0.0 0.0 3.0 144 3,039
Race of the participant vs Morning Survey (Sleep Heart Health Study Visit One (SHHS1)): cups of tea before bed
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,535 0.07 ± 0.3 0.0 0.0 5.0 269 5,804
White 4,686 0.07 ± 0.3 0.0 0.0 5.0 221 4,907
Black 489 0.06 ± 0.3 0.0 0.0 4.0 26 515
Other 360 0.06 ± 0.3 0.0 0.0 2.0 22 382