Table 2.
Comparison of the scores of the categorised subscales of the Pittsburgh Sleep Quality Index (PSQI) and the Odds Ratio (OR) for women university students.
| Gender | ||||||||
|---|---|---|---|---|---|---|---|---|
| PSQI N (%) | Total (855) |
Male (378, 44.3%) |
Female (476, 55.7%) |
χ2(1,854) | p | Phi | OR | 95% CI |
| Component 1. Subjective quality.a | 24.461 | < 0.001 | 0.17 | 2.12 | 1.57–2.86 | |||
| Poor | 277 (32.4) | 89 (32.1) | 189 (67.9) | |||||
| Good | 577 (67.6) | 289 (50.1) | 288 (49.9) | |||||
| Component 2. b Sleep latency |
10.897 | 0.001 | 0.11 | 1.58 | 1.20–2.09 | |||
| High | 381 (44.8) | 145 (38.1) | 236 (61.9) | |||||
| Low | 470 (55.2) | 232 (49.4) | 238 (50.6) | |||||
| Component 3. Sleep duration |
12.332 | < 0.001 | 0.12 | 2.12 | 1.38–3.24 | |||
| < 7 hours | 116 (13.6) | 34 (29.3) | 82 (70.7) | |||||
| > 7 hours | 736 (86.4) | 344 (46.7) | 392 (53.3) | |||||
| Component 4. Sleep efficiency |
12.670 | < 0.001 | 0.12 | 2.29 | 1.44–3.65 | |||
| < 75% | 98 (11.5) | 27 (27.6) | 71 (72.4) | |||||
| > 75% | 752 (88.5) | 350 (46.5) | 402 (53.5) | |||||
| Component 5. c Sleep alterations |
15.708 | < 0.001 | 0.14 | 2.15 | 1.47–3.17 | |||
| High | 146 (17.2) | 43 (29.5) | 103 (70.5) | |||||
| Low | 701 (82.8) | 332 (47.4) | 369 (52.6) | |||||
| Component 6. Drug use | 4.919 | 0.027 | 0.08 | 1.82 | 1.06–3.10 | |||
| < 1 time/week | 787 (92.2) | 357 (45.4) | 430 (54.6) | |||||
| > 1 time/Week | 67 (7.8) | 21 (31.3) | 46 (68.7) | |||||
| Component 7. Daytime sleep dysfunctions d | 26.887 | < 0.001 | 0.19 | 2.21 | 1.63–2.98 | |||
| High | 275 (32.3) | 87 (31.6) | 188 (68.4) | |||||
| Low | 576 (67.7) | 291 (50.5) | 285 (49.5) | |||||
a.- Poor (categories PSQI.- Very poor, Pretty poor), Good (categories PSQI.- Very good, pretty good); b.- High (categories PSQI.- 31–60 minutes, > 60 minutes), Low (categories PSQI.- <15 minutes, 16–30 minutes); c.- Low (categories PSQI.- scores between 0 y 1–9 points), High (categories PSQI.- scores between 10–18 y 19–27 points); d.- High (categories PSQI.- 1–2 times/week, > 3 times/week,) Low (categories PSQI.- < 1 time per week, Never in the last month).