Histogram

MESA exam number vs Average whte light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in weekends from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,138 47.3 ± 53.8 28.7 0.0 353.3 99 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 weekends from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,138 47.3 ± 53.8 28.7 0.0 353.3 99 2,237
54.0 to 62.0 years 541 56.2 ± 59.2 38.2 0.0 353.3 19 560
62.0 to 69.0 years 534 49.3 ± 53.2 33.9 0.0 302.8 25 559
69.0 to 77.0 years 531 45.7 ± 53.5 26.8 0.0 328.0 28 559
77.0 to 95.0 years 532 37.9 ± 47.1 21.5 0.0 282.0 27 559
Gender of the participant vs Average whte light time above 1,000 microwatts per square centimeter threshold over 24-hour periods in weekends from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,138 47.3 ± 53.8 28.7 0.0 353.3 99 2,237
Female 1,148 41.7 ± 47.8 25.2 0.0 330.3 50 1,198
Male 990 53.8 ± 59.4 34.1 0.0 353.3 49 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 weekends from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,138 47.3 ± 53.8 28.7 0.0 353.3 99 2,237
White, Caucasian 805 52.5 ± 56.1 33.3 0.0 304.5 25 830
Chinese American 242 48.1 ± 49.9 34.5 0.0 330.3 23 265
Black, African-American 591 42.1 ± 51.3 25.2 0.0 353.3 25 616
Hispanic 500 44.7 ± 54.2 23.4 0.0 302.8 26 526