Table 2.
Study subject characteristics
| Variable | Level | N (%) or mean ± SD |
|---|---|---|
| Sex | Female | 5 (41.7%) |
| Male | 7 (58.3%) | |
| Age | 23.6 ± 2.4 years | |
| Chronotype | Extreme morning | 1 (8.3%) |
| Moderate morning | 5 (41.7%) | |
| Intermediate | 0 (0%) | |
| Moderate evening | 5 (41.7%) | |
| Extreme evening | 1 (8.3%) | |
| Habitual sleep quality (PSQI) | 2.2 ± 1.1 | |
| Noise sensitivity | 65.8 ± 12.1 | |
| SF-36 Physical health | 57.0 ± 4.4 | |
| SF-36 Mental Health | 48.9 ± 10.2 | |
| Lights out time at homea | 23:32 ± 01:23 | |
| Rise time at homea | 07:47 ± 01:20 | |
| Perceived bedroom noise environment | Very quiet | 2 (16.7%) |
| Rather quiet | 8 (66.7%) | |
| Not especially quiet | 1 (8.3%) | |
| Rather noisy | 1 (8.3%) | |
| Very noisy | 0 (0%) | |
| Annoyance, road noise | 0–10 scale | 1.6 ± 2.6 |
| Annoyance, rail noise | 0–10 scale | 0.0 ± 0.0 |
| Annoyance, tram noise | 0–10 scale | 1.4 ± 2.5 |
| Annoyance, aircraft noise | 0–10 scale | 0.2 ± 0.6 |
| Annoyance, neighbour noise | 0–10 scale | 2.4 ± 2.2 |
| Sleep disturbance, road noise | 0–10 scale | 0.4 ± 0.9 |
| Sleep disturbance, rail noise | 0–10 scale | 0.0 ± 0.0 |
| Sleep disturbance, tram noise | 0–10 scale | 0.5 ± 1.0 |
| Sleep disturbance, aircraft noise | 0–10 scale | 0.1 ± 0.3 |
| Sleep disturbance, neighbour noise | 0–10 scale | 1.5 ± 2.0 |
aMeasured at home with actigraphy during the week before the study.