Table 1

Horizontal and vertical desk illuminance values on the intervention and control floors.

Floor
Average horizontal illuminance at working plane (SD)
Average % daylight contribution to horizontal illuminance (SD)
Average vertical illuminance at the eye position (SD)
Average % daylight contribution to vertical illuminance (SD)

A. Intervention (17000 K)
311 lux (112)
13% (10)
170 lux (85)
40% (33)
B. Control (2900 K)
354 lux (45)
11% (10)
128 lux (44)
55% (32)

Mills et al. Journal of Circadian Rhythms 2007 5:2   doi:10.1186/1740-3391-5-2

Open Data