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Values are presented as frequency (n) and percentage (%). Asthma and allergic rhinitis were physician-diagnosed.
| Category | Frequency n (%) | |
| Asthma prevalence | Present | 46 (14.7) |
| Absent | 267 (85.3) | |
| Allergic rhinitis prevalence | Present | 75 (24) |
| Absent | 238 (76) | |
| Chronotype | Morning | 18 (5.8) |
| Intermediate | 84 (26.8) | |
| Evening | 211 (67.4) |
