Table 2.
Description of TSO and prevalence of sleep, mood and health outcomes in the 2017 and 2020 surveys.
| 2017 Survey (N = 991) | 2020 Survey (N = 832) | |
|---|---|---|
| TSO (median; IQR) | ||
| TSO weekday | 2.0 (3.0) | 2.0 (2.0) |
| TSO weekend | 5.0 (4.0) | 3.0 (3.0) |
| TSO daily average | 3.1 (2.7) | 2.1 (2.2) |
| Sleep | ||
| Chronic insomnia N (%) | 109 (11.0%) | 109 (13.1%) |
| Short sleep N (%) | 158 (15.9%) | 126 (15.1%) |
| Late chronotype N (%) | 200 (20.2%) | 195 (23.4%) |
| Mood and health | ||
| Optimism score (0–24) | ||
| Median (IQR) | 14 (6) | 14 (6) |
| Mean (SD) | 14.3 (4.5) | 13.9 (4.6) |
| Happiness score (0–20) | ||
| Median (IQR) | 14 (4) | 13 (5) |
| Mean (SD) | 13.6 (3.4) | 13.3(3.4) |
| Least optimistic tertile N (%) | 359 (36.23%) | 325 (39.1%) |
| Least happy tertile N (%) | 342 (34.51%) | 346 (41.6%) |
| Bad health status N (%) | 64 (6.5%) | 51 (6.1%) |