Table 1.
Variables | Groupb | N | Mean | SD | p |
---|---|---|---|---|---|
Age | Evening | 46 | 22.0 | 2.7 | NS |
Indifferent | 114 | 22.2 | 3.2 | ||
Morning | 61 | 22.8 | 5.2 | ||
PSQI | Evening | 46 | 7.6 | 2.8 | <0.0005* |
Indifferent | 114 | 6.63 | 2.5 | ||
Morning | 61 | 5.43 | 2.2 | ||
Epworth | Evening | 46 | 9.1 | 3.7 | NS |
Indifferent | 114 | 9.1 | 2.8 | ||
Morning | 61 | 9.2 | 3.6 |
p<0.05.
Groups determined by the Standard Questionnaire for the identification of chronotypes (MEQ); N: group size; SD: standard deviation; p: statistical significance for the Kruskall–Wallis test; NS: Non-significant; PSQI: Pittsburg Sleep Quality Index; Epworth: Epworth Sleepiness Scale.