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ESS scores values and their interpretations.
| No. | Variable | Statistics ∗ |
|---|---|---|
| 1 | ESS scores | 7.7 ± 4.6 |
| Normal (0-9) | 629 (65.6%) | |
| Abnormal (≥10) | 330 (34.4%) | |
| 2 | ESS scores interpretation | |
| Normal (0-9) | 629 (65.6%) | |
| Borderline daytime sleepiness (10-11) | 118 (12.3%) | |
| Medical advice should be sought (12-24) | 212 (22.1%) |
∗ Percentages represents the frequency for categorial variables and the means ± SD for continuous variables.. ESS: Epworth Sleepiness Scale.
