Table 1. Characteristics of the participants of both studies.
| Total | Males | Females | Age | Regular sleep duration | Sleep duration before test | All-nighters | Correct answer rate | ||
|---|---|---|---|---|---|---|---|---|---|
| Survey #1: School of Science | |||||||||
| 9:00 to 10:30 | 97 | 34 (35.1%) | 63 (64.9%) | 21.0 ± 5.9 | 6.6 ± 1.5 | 4.5 ± 2.4 | 13 (13.4%) | 0.67 ± 0.20a | |
| Survey #2: School of Psychology | |||||||||
| 8:00 to 9:15 | 71 | 10 (14.1%) | 61 (85.9%) | 23.3 ± 7.3 | 7.7 ± 1.6 | 4.1 ± 2.4 | 12 (16.9%) | 0.60 ± 0.12b | |
| 9:45 to 11:00 | 71 | 7 (9.9%) | 64 (90.1%) | 25.0 ± 7.9 | 7.9 ± 1.7 | 4.9 ± 2.5 | 9 (12.7%) | 0.64 ± 0.15b | |
| 11:30 to 12:45 | 62 | 9 (14.5%) | 53 (85.5%) | 22.7 ± 6.8 | 7.4 ± 1.5 | 5.1 ± 2.8 | 11 (17.7%) | 0.65 ± 0.11b | |
| 13:15 to 14:30 | 48 | 6 (12.5%) | 42 (87.5%) | 24.4 ± 8.8 | 7.7 ± 1.9 | 6.0 ± 2.5 | 5 (10.4%) | 0.68 ± 0.13b | |
Note: In each case, time of test attendance is indicated. Discrete variables are presented as Number (Percentage); numeric variables are presented as Mean ± Standard Deviation.
a Test consisted of 20 multiple choice questions.
b Test consisted of 60 true/false questions.