Table 3 Association between the scores of each question of the ‘sleep habits questionnaire’ and academic performance
From: Relationship between sleep habits and academic performance in university Nursing students
VARIABLE | Academic performance | t | p-value | |
|---|---|---|---|---|
Good performance Mean (SD) | Poor performance Mean (SD) | |||
ITEM 1. Is it difficult for you to maintain a regular schedule for waking up and going to sleep? | 2.38 ± 1.07 | 2.66 ± 1.03 | -2.14 | 0.031 |
ITEM 2. Do you change your sleep routines on the weekends and vacation? | 1.90 ± 0.29 | 1.93 ± 0.26 | -0.59 | 0.554 |
ITEM 3. Is it usual for you to take short naps at any point in the day? | 2.14 ± 0.97 | 2.26 ± 0.99 | -0.97 | 0.328 |
ITEM 4. Do you easily lose a night of sleep? | 1.73 ± 0.77 | 2.01 ± 0.80 | -2.95 | 0.003 |
ITEM 5. Do you prefer to study for an exam at night? | 1.33 ± 0.48 | 1.46 ± 0.50 | -2.12 | 0.030 |
ITEM 6. In general, do your work and/or academic activities mean that you have to bed late to achieve your objectives? | 2.25 ± 1.01 | 2.69 ± 1.02 | -3.48 | 0.001 |
ITEM 7. Do you prefer to sleep late to obtain better study results? | 1.46 ± 0.51 | 1.59 ± 0.49 | -1.99 | 0.041 |
ITEM 8. Do you work, read the newspaper or academic documents just before going to sleep? | 2.06 ± 1.13 | 2.28 ± 1.13 | -1.49 | 0.136 |
ITEM 9. Do you usually listen to music before going to bed? | 1.84 ± 1.10 | 2.21 ± 1.12 | -2.69 | 0.007 |
ITEM 10. Do you usually watch television before going to bed? | 3.24 ± 1.04 | 3.28 ± 1.06 | -0.29 | 0.774 |
ITEM 11. Do you go out at night if you have to wake up early the next day to go to class or work? | 1.58 ± 0.72 | 1.81 ± 0.79 | -2.47 | 0.012 |
Overall ‘sleep habits questionnaire’ score | 21.91 ± 3.90 | 24.18 ± 3.55 | -4.73 | < 0.001 |