From: Sleep hygiene practices and sleep quality among medical students in Egypt: a cross-sectional study
Pittsburgh Sleep Quality Index Subscales | Male (n = 277) | Female (n = 227) | Total (n = 504) | X2 | p | |||
---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | |||
Subjective sleep quality | Â | Â | Â | Â | Â | Â | 0.000 | 0.996 |
 Not/somewhat of a problem | 172 | 62.1 | 141 | 62.1 | 313 | 62.1 |  |  |
 Moderate/severe problem | 105 | 37.9 | 86 | 37.9 | 191 | 37.9 |  |  |
Sleep latency | Â | Â | Â | Â | Â | Â | 0.072 | 0.789 |
 Not/somewhat of a problem | 148 | 53.4 | 124 | 54.6 | 272 | 54.0 |  |  |
 Moderate/severe problem | 129 | 46.6 | 103 | 45.4 | 232 | 46.0 |  |  |
Sleep duration | Â | Â | Â | Â | Â | Â | 0.769 | 0.380 |
 Not/somewhat of a problem | 234 | 84.5 | 198 | 87.2 | 432 | 85.7 |  |  |
 Moderate/severe problem | 43 | 15.5 | 29 | 12.8 | 72 | 14.3 |  |  |
Sleep efficiency | Â | Â | Â | Â | Â | Â | 0.001 | 0.970 |
 Not/somewhat of a problem | 248 | 89.5 | 203 | 89.4 | 451 | 89.5 |  |  |
 Moderate/severe problem | 29 | 10.5 | 24 | 10.6 | 53 | 10.5 |  |  |
Sleep disturbance | Â | Â | Â | Â | Â | Â | 0.564 | 0.452 |
 Not/somewhat of a problem | 169 | 61.0 | 131 | 57.7 | 300 | 59.5 |  |  |
 Moderate/severe problem | 108 | 39.0 | 96 | 42.3 | 204 | 40.5 |  |  |
Use of sleep medication | Â | Â | Â | Â | Â | Â | 4.649 | 0.031* |
 Not/somewhat of a problem | 232 | 83.8 | 205 | 90.3 | 437 | 86.7 |  |  |
 Moderate/severe problem | 45 | 16.2 | 22 | 9.7 | 67 | 13.3 |  |  |
Daytime dysfunction | Â | Â | Â | Â | Â | Â | 0.016 | 0.899 |
 Not/somewhat of a problem | 148 | 53.4 | 120 | 52.9 | 268 | 53.2 |  |  |
 Moderate/severe problem | 129 | 46.6 | 107 | 47.1 | 236 | 46.8 |  |  |