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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)

From: Musculoskeletal pain and co-morbid insomnia in adults; a population study of the prevalence and impact on restricted social participation

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%)