Race/Ethnicity

MESA exam number vs Average whte light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in all days from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,151 61.0 ± 60.8 44.1 0.0 430.4 86 2,237
Participant Age at MESA Sleep Visit vs Average whte light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in all days from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 61.0 ± 60.8 44.1 0.0 430.4 86 2,237
54.0 to 62.0 years 544 69.5 ± 68.5 52.1 0.0 430.4 16 560
62.0 to 69.0 years 537 62.5 ± 55.1 50.4 0.0 288.3 22 559
69.0 to 77.0 years 532 63.2 ± 62.6 42.4 0.0 379.1 27 559
77.0 to 95.0 years 538 48.9 ± 54.3 30.7 0.0 390.3 21 559
Gender of the participant vs Average whte light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in all days from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 61.0 ± 60.8 44.1 0.0 430.4 86 2,237
Female 1,155 50.8 ± 48.7 36.8 0.0 418.1 43 1,198
Male 996 72.9 ± 70.6 55.9 0.0 430.4 43 1,039
Race/ethnicity of the participant vs Average whte light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in all days from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 61.0 ± 60.8 44.1 0.0 430.4 86 2,237
White, Caucasian 806 67.3 ± 62.6 53.2 0.0 379.1 24 830
Chinese American 244 58.4 ± 61.4 46.6 0.0 418.1 21 265
Black, African-American 597 56.8 ± 59.2 37.8 0.0 430.4 19 616
Hispanic 504 57.3 ± 59.0 37.3 0.0 296.9 22 526