Table 2 Prevalence of DSM-IV insomnia disorder with different durations in various medical conditions (n = 4047)a
Insomnia status | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Total | No insomnia | 1–6 month insomnia disorder | 6-month insomnia disorder | p-value for X 2 | |||||
n = 4047 | n = 3794 | n = 78 | n = 160 | ||||||
n | (%) | n | Rate (%) | n | Rate (%) | n | Rate (%) | ||
Medical conditions | |||||||||
No medical conditions | 1161 | 28.8 | 1133 | 97.6 | 9 | 0.8 | 19 | 1.6 | <0.001 |
Any medical conditions | 2868 | 71.2 | 2661 | 92.8 | 69 | 2.4 | 138 | 4.8 | |
Chronic diseasesb | |||||||||
Diabetes mellitus | |||||||||
No diabetes mellitus | 3523 | 87.1 | 3304 | 94.3 | 67 | 1.9 | 134 | 3.8 | 0.78 |
Diabetes mellitus | 524 | 12.9 | 490 | 93.5 | 11 | 2.1 | 23 | 4.4 | |
Hypertension | |||||||||
No hypertension | 2467 | 61.0 | 2323 | 94.5 | 44 | 1.8 | 91 | 3.7 | 0.50 |
Hypertension | 1580 | 39.0 | 1471 | 93.6 | 34 | 2.2 | 66 | 4.2 | |
Heart disease | |||||||||
No heart disease | 3258 | 80.5 | 3074 | 94.8 | 62 | 1.9 | 107 | 3.3 | <0.001 |
Heart disease | 789 | 19.5 | 720 | 91.6 | 16 | 2.0 | 50 | 6.4 | |
Stroke | |||||||||
No stroke | 3895 | 96.2 | 3660 | 94.4 | 74 | 1.9 | 143 | 3.7 | 0.002 |
Stroke | 152 | 3.8 | 134 | 88.2 | 4 | 2.6 | 14 | 9.2 | |
Gouty arthritis | |||||||||
No gouty arthritis | 3735 | 92.3 | 3505 | 94.2 | 72 | 1.9 | 142 | 3.8 | 0.67 |
Gouty arthritis | 312 | 7.7 | 289 | 93.2 | 6 | 1.9 | 15 | 4.8 | |
Pulmonary diseases | |||||||||
No pulmonary diseases | 3584 | 88.6 | 3375 | 94.6 | 61 | 1.7 | 130 | 3.6 | 0.001 |
Pulmonary diseases | 463 | 9.8 | 419 | 90.5 | 17 | 3.7 | 27 | 5.8 | |
Depression | |||||||||
Geriatric depression scale <5 | 3612 | 89.3 | 3437 | 95.5 | 60 | 1.7 | 102 | 2.8 | <0.001 |
Geriatric depression scale ≥5 | 396 | 9.8 | 324 | 82.0 | 17 | 4.3 | 54 | 13.7 | |
Clinical conditions | |||||||||
Excessive daytime sleepiness | |||||||||
No | 3602 | 89.0 | 3395 | 94.6 | 64 | 1.8 | 131 | 3.6 | 0.01 |
Yes | 445 | 11.0 | 399 | 90.9 | 14 | 3.2 | 26 | 5.9 | |
Pain | |||||||||
No | 2660 | 66.2 | 2534 | 95.3 | 45 | 1.7 | 81 | 3.0 | <0.001 |
Mild | 1070 | 26.6 | 1004 | 93.8 | 21 | 2.0 | 45 | 4.2 | |
Moderate | 191 | 4.7 | 163 | 85.3 | 10 | 5.2 | 18 | 9.4 | |
Severe | 103 | 2.6 | 88 | 85.4 | 2 | 1.9 | 13 | 12.6 | |
Fall | |||||||||
No fall | 3491 | 86.3 | 3294 | 94.8 | 59 | 1.7 | 121 | 3.5 | 0.001 |
Single fall | 398 | 9.8 | 361 | 90.7 | 13 | 3.3 | 24 | 6.0 | |
Repeated falls | 134 | 3.3 | 119 | 88.8 | 4 | 3.0 | 11 | 8.2 | |