Table 2. The median illuminance levels (lux) at desk positions 1–9 during two different measurements (Morning and afternoon).
| Category of desk position | Desk position | Morning (AM) | Afternoon (PM) | AM and PM (p value) | ||
|---|---|---|---|---|---|---|
| Median illuminance (IQR) | Range (Min, Max) | Median illuminance (IQR) | Range (Min, Max) | |||
| Front row | 1 | 195 (124, 321) | 41, 586 | 180 (107, 354) | 52, 1472 | 0.124 |
| 2 | 130 (92, 208) | 45, 699 | 136 (90, 252) | 50, 1507 | 0.164 | |
| 3 | 144 (97, 230) | 47, 1235 | 170 (110, 259) | 48, 721 | 0.028 | |
| Middle row | 4 | 150 (99, 273) | 31, 816 | 170 (99, 272) | 20, 1022 | 0.030 |
| 5 | 123 (78, 197) | 43, 563 | 128 (87, 213) | 45, 1040 | 0.159 | |
| 6 | 165 (95, 200) | 40, 1252 | 173 (82, 220) | 46, 730 | 0.094 | |
| Last row | 7 | 208 (127, 298) | 22, 908 | 171 (113, 268) | 25, 1120 | 0.309 |
| 8 | 139 (99, 207) | 35, 518 | 130 (92, 204) | 39, 980 | 0.935 | |
| 9 | 152 (86, 293) | 37, 1252 | 150 (80, 279) | 48, 850 | 0.729 | |
IQR- Interquartile range. Descriptive information on the range is provided to present the maximum and the minimum limit of the variables