Table 1.
Self-reported health symptoms and sleep problems in cases (n = 148) and controls (n = 524).
| Cases n (%) | Controls n (%) | ORa(95% CI) | |
|---|---|---|---|
| Chronic pain (pain >3 months) | 106 (73) | 182 (35) | 4.9 (3.3 to 7.4) |
| Fair or poor general health | 62 (42) | 95 (18) | 3.3 (2.2 to 4.9) |
| Health worsened over past year | 43 (29) | 67 (13) | 2.8 (1.8 to 4.3) |
| Subjective Health Complaints questionnaire | |||
| Musculoskeletal | 124 (91) | 388 (79) | 2.7 (1.5 to 5.2) |
| Gastrointestinal | 115 (84) | 392 (79) | 1.4 (0.9 to 2.3) |
| Anxiety or depression | 91 (67) | 263 (53) | 1.8 (1.2 to 2.7) |
| Chest symptoms | 65 (50) | 186 (38) | 1.7 (1.1 to 2.5) |
| Migraine or headache | 88 (70) | 276 (57) | 1.8 (1.2 to 2.7) |
| Allergy | 29 (22) | 112 (23) | 1.0 (0.6 to 1.5) |
| Hot flushes | 54 (40) | 124 (25) | 2.0 (1.4 to 3.1) |
| Dizziness | 57 (43) | 166 (33) | 1.5 (1.0 to 2.2) |
| Pittsburgh Sleep Quality Index | |||
| Poor sleep qualityb | 80 (63) | 169 (35) | 3.1 (2.1 to 4.7) |
a
Controls are reference group.
b
Minimum score of 7. OR = odds ratio.