Gender

Caffeine consumption in last month 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 in last month 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 in last month 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 in last month vs Gender
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 in last month vs Race
Baseline
White Black Other Total
Total 252 42 19 313
None 20 1 3 24
Less than one cup per day 27 12 3 42
Approximately one cup (8oz) per day 38 9 4 51
More than one cup, but not more than three cups a day 95 12 7 114
More than three cups per day 71 8 2 81
Unknown 1 - - 1