Table 1. Outdoor time from the diary and light meter in children – FIT study.
| N | Diary | N | Light meter (>1000 Lux) | P-value* | Mean lux levels (Lux) | |
|---|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | |||||
| School term (hours per week) | 74 | 5.44 (3.83) | 72 | 7.08 (3.47) | 0.0034 | 679.89 (475.49); Range =(165.69, 3421.49) |
| School holidays (hours per week) | 43 | 7.91 (5.15) | 42 | 9.81 (8.48) | 0.1693 | 911.91 (1054.84); Range =(160.93, 6250.62) |
| P-value* | 0.004 | <0.001 | ||||
| School term | ||||||
| Weekday (hours per day) | 74 | 0.58 (0.47) | 70 | 0.88 (0.42) | <0.0001 | 623.84 (592.72); Range =(170.42, 4712.52) |
| Weekend (hours per day) | 74 | 1.27 (1.12) | 70 | 1.36 (1.00) | 0.4475 | 877.30 (764.63); Range =(23.01, 4570.24) |
| P-value* | <0.001 | <0.001 | ||||
| School holidays | ||||||
| Weekday (hours per day) | 43 | 0.96 (0.91) | 42 | 1.34 (1.33) | 0.066 | 854.69 (1143.01); Range =(69.79, 6445.84) |
| Weekend (hours per day) | 43 | 1.56 (1.04) | 40 | 1.54 (1.09) | 0.5513 | 997.65 (1072.44); Range =(90.04, 5762.58) |
| P-value* | 0.005 | 0.296 |
*
Significance value <0.005.