Histogram

MESA exam number vs Average red light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in non-workdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,077 8.9 ± 17.3 3.1 0.0 473.5 160 2,237
Participant Age at MESA Sleep Visit vs Average red light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in non-workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,077 8.9 ± 17.3 3.1 0.0 473.5 160 2,237
54.0 to 62.0 years 519 12.1 ± 27.1 3.9 0.0 473.5 41 560
62.0 to 69.0 years 521 9.4 ± 13.9 4.0 0.0 104.5 38 559
69.0 to 77.0 years 514 8.3 ± 12.3 3.4 0.0 101.2 45 559
77.0 to 95.0 years 523 5.7 ± 9.9 1.8 0.0 80.4 36 559
Gender of the participant vs Average red light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in non-workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,077 8.9 ± 17.3 3.1 0.0 473.5 160 2,237
Female 1,123 6.2 ± 9.6 2.5 0.0 80.4 75 1,198
Male 954 12.0 ± 22.9 4.3 0.0 473.5 85 1,039
Race/ethnicity of the participant vs Average red light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in non-workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,077 8.9 ± 17.3 3.1 0.0 473.5 160 2,237
White, Caucasian 776 10.8 ± 22.9 3.9 0.0 473.5 54 830
Chinese American 236 6.8 ± 9.6 3.4 0.0 60.0 29 265
Black, African-American 581 8.3 ± 13.6 2.9 0.0 106.0 35 616
Hispanic 484 7.5 ± 12.8 2.3 0.0 104.5 42 526