Name
caffeine
Label
Caffeine consumption, number of cups per day
Description

In the last month, how often did you drink beverages containing caffeine (cola, coffee, tea, etc.)?

Domain
caffeineintakeamount
  • 0: None
  • 1: Less than one cup per day
  • 2: Approximately one cup (8oz) per day
  • 3: More than one cup, but not more than three cups a day
  • 4: More than three cups per day
Type
choices
Caffeine consumption, number of cups per day vs Visit number
Baseline Follow-up
Total 318 -
None 25 -
Less than one cup per day 42 -
Approximately one cup (8oz) per day 51 -
More than one cup, but not more than three cups a day 116 -
More than three cups per day 83 -
Unknown 1 -
Caffeine consumption, number of cups per day vs Treatment Arm
Baseline
Healthy Lifestyles and Sleep Education - control arm (HLSE) Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) Total
Total 106 106 106 318
None 6 9 10 25
Less than one cup per day 19 17 6 42
Approximately one cup (8oz) per day 19 17 15 51
More than one cup, but not more than three cups a day 35 30 51 116
More than three cups per day 26 33 24 83
Unknown 1 - - 1
Caffeine consumption, number of cups per day vs Age category
Baseline
45-54 years 55-64 years 65 years or older Total
Total 53 139 126 318
None 3 9 13 25
Less than one cup per day 7 22 13 42
Approximately one cup (8oz) per day 6 23 22 51
More than one cup, but not more than three cups a day 19 46 51 116
More than three cups per day 18 38 27 83
Unknown - 1 - 1
Caffeine consumption, number of cups per day vs Gender of the participant
Baseline
Female Male Total
Total 84 234 318
None 9 16 25
Less than one cup per day 12 30 42
Approximately one cup (8oz) per day 18 33 51
More than one cup, but not more than three cups a day 24 92 116
More than three cups per day 20 63 83
Unknown 1 - 1
Caffeine consumption, number of cups per day vs Race of the participant
Baseline
White American Indian or Alaskan Native Black or African American Asian Native Hawaiian or other Pacific islander Other Multiple Total
Total 256 2 43 6 1 4 5 317
None 21 - 2 - - 1 1 25
Less than one cup per day 27 - 12 1 1 - 1 42
Approximately one cup (8oz) per day 38 - 9 3 - - 1 51
More than one cup, but not more than three cups a day 98 2 12 1 - 1 1 115
More than three cups per day 71 - 8 1 - 2 1 83
Unknown 1 - - - - - - 1