Abstract
Objective: We aimed to investigate the association between self-reported insomnia and coronary heart diseases in the elderly Chinese population. Methods and results: A cross-sectional study was conducted in the Beijing and 2982 participants aged ≥60 years were recruited. The association between self-reported insomnia and coronary heart diseases (CHD) was determined by multiple logistic regression models. Age, gender, education, obesity, physical activity, current smoking, current drinking, medication, hypertension, diabetes, tea consumption, heart rate, and dyslipidemia were adjusted as confounders. Odds ratios (ORs) and corresponding 95% confidence intervals (CIs) were reported as effect measurements. The numbers of subjects with no insomnia, occasional insomnia, and frequent insomnia were 2110 (70.76%), 509(17.07%), and 363 (12.17%), respectively. The prevalence of CHD in those with no insomnia, occasional insomnia, and frequent insomnia were 13.65%, 16.31%, and 22.31%. Compared with subjects with no insomnia, the multivariate adjusted ORs and 95% CIs for those with occasional insomnia and frequent insomnia were 1.17 (0.89–1.54) and 1.73 (1.30–2.31), respectively. There was no significant difference of the association between men and women. Conclusions: Self-reported insomnia is associated with high risks of CHD in the elderly Chinese population.
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