Histogram

MESA Exam Number vs Average Green Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Weekend Day (Minutes)
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,138 12.3 ± 20.4 3.8 0.0 209.8 99 2,237
Participant Age at MESA Sleep Visit vs Average Green Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Weekend Day (Minutes)
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,138 12.3 ± 20.4 3.8 0.0 209.8 99 2,237
54.0 to 62.0 years 541 15.9 ± 26.5 5.7 0.0 209.8 19 560
62.0 to 69.0 years 535 13.7 ± 20.3 4.7 0.0 138.0 24 559
69.0 to 77.0 years 528 11.0 ± 17.6 3.2 0.0 132.3 31 559
77.0 to 95.0 years 534 8.5 ± 14.1 2.0 0.0 83.7 25 559
Gender vs Average Green Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Weekend Day (Minutes)
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,138 12.3 ± 20.4 3.8 0.0 209.8 99 2,237
Female 1,148 9.8 ± 16.0 2.8 0.0 138.7 50 1,198
Male 990 15.2 ± 24.2 5.8 0.0 209.8 49 1,039
Race/ethnicity vs Average Green Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Weekend Day (Minutes)
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,138 12.3 ± 20.4 3.8 0.0 209.8 99 2,237
White, Caucasian 805 13.8 ± 21.7 4.8 0.0 209.8 25 830
Chinese American 242 10.5 ± 15.8 4.6 0.0 86.0 23 265
Black, African-American 591 12.0 ± 21.2 3.5 0.0 193.7 25 616
Hispanic 500 11.1 ± 18.9 2.9 0.0 138.3 26 526