Histogram

MESA exam number vs Average green light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in weekdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,151 12.1 ± 18.7 4.7 0.0 234.8 86 2,237
Participant Age at MESA Sleep Visit vs Average green light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 12.1 ± 18.7 4.7 0.0 234.8 86 2,237
54.0 to 62.0 years 544 13.8 ± 22.3 5.5 0.0 234.8 16 560
62.0 to 69.0 years 537 12.8 ± 17.9 5.3 0.0 138.4 22 559
69.0 to 77.0 years 532 13.1 ± 19.0 5.5 0.0 126.0 27 559
77.0 to 95.0 years 538 8.7 ± 14.5 3.0 0.0 146.2 21 559
Gender of the participant vs Average green light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 12.1 ± 18.7 4.7 0.0 234.8 86 2,237
Female 1,155 8.3 ± 11.8 3.6 0.0 106.4 43 1,198
Male 996 16.5 ± 23.7 7.3 0.0 234.8 43 1,039
Race/ethnicity of the participant vs Average green light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 12.1 ± 18.7 4.7 0.0 234.8 86 2,237
White, Caucasian 806 13.6 ± 20.6 5.6 0.0 146.6 24 830
Chinese American 244 9.3 ± 14.5 3.9 0.0 110.8 21 265
Black, African-American 597 12.3 ± 19.6 4.5 0.0 234.8 19 616
Hispanic 504 10.7 ± 16.0 3.8 0.0 92.7 22 526