Table 8.
Mean sleep latency and sleep efficiency within insomniacs in presence or absence of specific disorders (adjusted for age, gender, and apnea hypopnea index)
| Sleep latency (min) |
Sleep efficiency (%) |
|||||
|---|---|---|---|---|---|---|
| Disorder (number with disease/number without disease) | Disease present | Disease absent | P | Disease present | Disease absent | P |
| Heart disease (21/162) | 14.3 ± 4.5 | 15.9 ± 1.6 | 0.74 | 81.5 ± 2.4 | 84.5 ± 0.8 | 0.23 |
| Hypertension (54/129) | 21.5 ± 2.8 | 13.3 ± 1.8 | 0.02 | 82.9 ± 1.5 | 84.7 ± 0.9 | 0.33 |
| Diabetes (19/164) | 10.8 ± 4.6 | 16.3 ± 1.6 | 0.27 | 89.7 ± 2.4 | 83.5 ± 8.0 | 0.02 |
| Thyroid disorders (11/172) | 10.0 ± 6.3 | 16.1 ± 1.5 | 0.35 | 86.0 ± 3.2 | 84.1 ± 0.8 | 0.57 |
| Cancer (13/170) | 16.2 ± 5.6 | 15.7 ± 1.5 | 0.92 | 86.5 ± 2.9 | 84.0 ± 0.8 | 0.41 |
| Ulcer (17/166) | 15.3 ± 4.9 | 15.7 ± 1.5 | 0.93 | 81.4 ± 3.2 | 84.4 ± 0.8 | 0.26 |
| Colitis (7/174) | 9.4 ± 7.6 | 15.8 ± 1.5 | 0.43 | 82.1 ± 3.9 | 84.5 ± 0.8 | 0.56 |
| Arthritis (60/123) | 16.4 ± 2.7 | 15.3 ± 1.8 | 0.74 | 84.2 ± 1.4 | 84.2 ± 0.9 | 0.99 |
| Migraines (58/125) | 21.5 ± 2.6 | 13.0 ± 1.8 | 0.008 | 82.4 ± 1.4 | 85.1 ± 0.9 | 0.12 |
| Asthma (42/151) | 17.3 ± 3.2 | 15.2 ± 1.7 | 0.57 | 83.8 ± 1.6 | 84.2 ± 0.9 | 0.81 |
| COPD (23/157) | 13.8 ± 4.3 | 15.9 ± 1.6 | 0.65 | 82.0 ± 2.2 | 84.3 ± 0.8 | 0.39 |
| Neurological problems (21/162) | 25.6 ± 4.2 | 14.4 ± 1.5 | 0.01 | 83.4 ± 2.3 | 84.2 ± 0.8 | 0.80 |
| Menstrual problems (37/77) | 12.2 ± 3.5 | 19.9 ± 2.4 | 0.08 | 86.2 ± 1.7 | 83.8 ± 1.1 | 0.24 |
Data are expressed as mean ± standard error.