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Table 2 Estimates of outdoor LAN among study participants (n = 303)

From: A cross-sectional analysis of light at night, neighborhood sociodemographics and urinary 6-sulfatoxymelatonin concentrations: implications for the conduct of health studies

  Mean (Range)
Outdoor LAN satellite values (annual average radiance)  
 Low-dynamic range, 2000 average (DN units) 43.4 (4 – 63)
 High-dynamic range, 2006 average (scaled radiance units) 128.4 (3.8 – 465.2)
Length-of-night on day of urine collection (hours) 11 (9.2 – 14.4)