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Time Spent Under Various Light Levels Across Different Time Periods During Valid Waking Hours Over a 7-Day Period for All Participants
| Time Spent Under Various Light Levels During Valid Waking Hours (%), Mean (SD) | |||
|---|---|---|---|
| Light-Level Categories | Morning | Afternoon | Evening |
| Scotopic to mid-mesopic (≤10 lux) | 22.2 (15.9) | 24.9 (14.3) | 70.1 (14.4) |
| High mesopic (>10 to ≤30 lux) | 17.0 (6.6) | 20.1 (7.0) | 19.0 (10.4) |
| Photopic (>30 lux) | 60.8 (17.8) | 55.0 (15.1) | 10.9 (12.3) |
