Gender

MESA Exam Number vs Average Blue Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Workday Day (Minutes)
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 1000 Microwatts Per Square Centimeter Threshold Per Workday Day (Minutes)
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 6.3 ± 10.8 1.9 0.0 66.5 178 560
62.0 to 69.0 years 241 6.5 ± 11.9 1.7 0.0 104.0 318 559
69.0 to 77.0 years 138 5.9 ± 11.2 1.6 0.0 60.6 421 559
77.0 to 95.0 years 70 4.8 ± 8.7 1.0 0.0 61.5 489 559
Gender vs Average Blue Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Workday Day (Minutes)
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 vs Average Blue Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Workday Day (Minutes)
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