Histogram

Visit vs Quantity of caffeinated beverage 1 (number of 8oz cups)
N Mean StdDev Median Min Max Unknown Total
Visit 5 58 1.5 ± 1.4 1.0 1.0 8.0 677 735
Participant's age (category) vs Quantity of caffeinated beverage 1 (number of 8oz cups)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 49 1.5 ± 1.4 1.0 1.0 8.0 609 658
5-14 yrs old 5 1.0 ± 0.0 1.0 1.0 1.0 59 64
15-24 yrs old 12 1.6 ± 0.5 2.0 1.0 2.0 100 112
25-34 yrs old 5 3.8 ± 3.8 1.0 1.0 8.0 57 62
35-44 years 10 1.4 ± 0.7 1.0 1.0 3.0 88 98
45-54 years 11 1.1 ± 0.3 1.0 1.0 2.0 137 148
55-64 years 4 1.0 ± 0.0 1.0 1.0 1.0 80 84
65-74 years 1 1.0 - 1.0 1.0 1.0 56 57
75-84 years 1 1.0 - 1.0 1.0 1.0 30 31
85 years or older - - - - - - 2 2
Participant's sex vs Quantity of caffeinated beverage 1 (number of 8oz cups)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 58 1.5 ± 1.4 1.0 1.0 8.0 677 735
Female 32 1.7 ± 1.3 1.0 1.0 8.0 374 406
Male 26 1.4 ± 1.4 1.0 1.0 8.0 303 329
Participant's race vs Quantity of caffeinated beverage 1 (number of 8oz cups)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 58 1.5 ± 1.4 1.0 1.0 8.0 677 735
White 38 1.4 ± 1.2 1.0 1.0 8.0 266 304
Black 20 1.8 ± 1.6 1.0 1.0 8.0 389 409
More than one race - - - - - - 22 22