Name

avgbluetaltrd5

Label

Average Blue Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Reliable Day (Minutes)

Units
minutes
Type
numeric
MESA Exam Number vs Average Blue Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Reliable Day (Minutes)
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,089 6.5 ± 10.9 2.1 0.0 140.1 148 2,237
Participant Age at MESA Sleep Visit vs Average Blue Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Reliable Day (Minutes)
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,089 6.5 ± 10.9 2.1 0.0 140.1 148 2,237
54.0 to 62.0 years 532 7.9 ± 14.1 2.4 0.0 140.1 28 560
62.0 to 69.0 years 528 7.2 ± 10.4 2.7 0.0 66.5 31 559
69.0 to 77.0 years 519 6.6 ± 9.9 2.5 0.0 70.5 40 559
77.0 to 95.0 years 510 4.3 ± 7.6 1.2 0.0 78.2 49 559
Gender vs Average Blue Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Reliable Day (Minutes)
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,089 6.5 ± 10.9 2.1 0.0 140.1 148 2,237
Female 1,120 4.7 ± 7.8 1.7 0.0 80.6 78 1,198
Male 969 8.6 ± 13.3 2.9 0.0 140.1 70 1,039
Race/ethnicity vs Average Blue Light Time Above 1000 Microwatts Per Square Centimeter Threshold Per Reliable Day (Minutes)
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,089 6.5 ± 10.9 2.1 0.0 140.1 148 2,237
White, Caucasian 794 7.6 ± 12.2 2.8 0.0 140.1 36 830
Chinese American 238 5.4 ± 11.2 2.1 0.0 131.0 27 265
Black, African-American 573 6.3 ± 9.9 2.0 0.0 80.6 43 616
Hispanic 484 5.6 ± 9.2 1.3 0.0 56.4 42 526