From: Risk of dementia in patients with primary insomnia: a nationwide population-based case-control study
Patients With primary insomnia | Comparison Patients | ||||
---|---|---|---|---|---|
(N = 51,743) | (N = 258,715) | ||||
Characteristic | N | % | N | % | P |
Sex | 1.0000a | ||||
Male | 20,878 | 40.35 | 104,390 | 40.35 | |
Female | 30,865 | 59.65 | 154,325 | 59.65 | |
Age, mean ± SD | 47.39 ± 15.69 | 47.39 ± 15.69 | 1.0000b | ||
Year | 1.0000a | ||||
≦39 | 17,637 | 34.09 | 88,185 | 34.09 | |
40–59 | 22,081 | 42.67 | 110,405 | 42.67 | |
60–74 | 8890 | 17.18 | 44,450 | 17.18 | |
≥ 75 | 3135 | 6.06 | 15,675 | 6.06 | |
Geographic region | <.0001a | ||||
Northern | 22,354 | 43.20 | 123,645 | 47.79 | |
Central | 14,241 | 27.52 | 53,729 | 20.77 | |
Southern | 12,622 | 24.39 | 68,637 | 26.53 | |
Eastern | 1194 | 2.31 | 6362 | 2.46 | |
Missing | 1332 | 2.57 | 6342 | 2.45 | |
Comorbidities | |||||
diabetes | 4267 | 8.25 | 16,750 | 6.47 | <.0001a |
dyslipidemia | 4465 | 8.63 | 15,656 | 6.05 | <.0001a |
hypertension | 9538 | 18.43 | 35,067 | 13.55 | <.0001a |
coronary heart disease | 3803 | 7.35 | 11,824 | 4.57 | <.0001a |
chronic liver disease | 5597 | 10.82 | 16,630 | 6.43 | <.0001a |
chronic kidney disease | 1636 | 3.16 | 5069 | 1.96 | <.0001a |