Histogram

MESA exam number vs Average blue light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in workdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 831 6.1 ± 11.0 1.7 0.0 104.0 1,406 2,237
Participant Age at MESA Sleep Visit vs Average blue light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 831 6.1 ± 11.0 1.7 0.0 104.0 1,406 2,237
54.0 to 62.0 years 382 6.4 ± 10.9 1.9 0.0 66.5 178 560
62.0 to 69.0 years 239 6.1 ± 11.5 1.6 0.0 104.0 320 559
69.0 to 77.0 years 143 6.3 ± 11.5 1.5 0.0 60.6 416 559
77.0 to 95.0 years 67 4.8 ± 8.8 1.0 0.0 61.5 492 559
Gender of the participant vs Average blue light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 831 6.1 ± 11.0 1.7 0.0 104.0 1,406 2,237
Female 410 4.0 ± 7.3 1.0 0.0 57.5 788 1,198
Male 421 8.2 ± 13.4 2.9 0.0 104.0 618 1,039
Race/ethnicity of the participant vs Average blue light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 831 6.1 ± 11.0 1.7 0.0 104.0 1,406 2,237
White, Caucasian 333 6.4 ± 11.3 2.0 0.0 104.0 497 830
Chinese American 105 5.8 ± 12.2 0.9 0.0 54.3 160 265
Black, African-American 213 5.7 ± 10.5 1.7 0.0 66.5 403 616
Hispanic 180 6.5 ± 10.4 1.8 0.0 60.3 346 526