Table 2 The number and proportion of individuals with each insomnia symptom and pain (by column) who reported each of the other insomnia symptoms (by row)
Symptom, number reporting (%) | Pain N = 880 74.5% | Delayed sleep onset N = 122 10.3% | Poor sleep maintenance N = 298 25.2% | Early wakening N = 188 15.9% | Non-restorative sleep N = 215 18.2% |
|---|---|---|---|---|---|
95% CI for population prevalence | 71.9-77.1% | 8.4%-2.1% | 22.7-28.1% | 13.8-17.9% | 15.9-20.5% |
Pain | - | 104 (85.2%) | 250 (83.9%) | 155 (82.4%) | 189 (87.9%) |
Delayed sleep onset | 104 (11.8%) | - | 94 (31.5%) | 89 (47.3%) | 74 (34.4%) |
Poor sleep maintenance | 250 (28.4%) | 94 (77.0%) | - | 175 (93.1%) | 127 (59.1%) |
Early wakening | 155 (17.6%) | 89 (73.0%) | 175 (58.7%) | - | 102 (47.4%) |
Non-restorative sleep | 189 (21.5%) | 74 (60.7%) | 127 (42.6%) | 102 (54.3%) | - |
No other sleep problems | 62 (31.0%) | 15 (12.3%) | 91 (30.5%) | 7 (3.7%) | 76 (35.3%) |