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- Title
Risk of Autoimmune Disease in Adults with Chronic Insomnia Requiring Sleep-Inducing Pills: A Population-Based Longitudinal Study.
- Authors
Kok, Victor; Horng, Jorng-Tzong; Hung, Guo-Dung; Xu, Jia-Li; Hung, Tzu-Wei; Chen, Yu-Ching; Chen, Chien-Lung; Kok, Victor C
- Abstract
<bold>Background: </bold>Recent studies indicate that chronic insomnia is associated with the development of certain somatic diseases. Whether it would be associated with the development of an autoimmune disease (AID) was unknown.<bold>Objective: </bold>We aimed to examine the association and quantify the magnitude of risk for AID in individuals suffering from chronic insomnia requiring sleep-inducing pills.<bold>Design: </bold>This was a population-based, nationwide longitudinal study.<bold>Participants: </bold>Using a claims data set containing 1 million randomly sampled, insured subjects derived from the National Health Insurance Research Database, we assembled a chronic insomnia group and a 1:3 propensity score-matched comparison group (CP), which were balanced in terms of sex, age, insurance premium, urbanization, alcohol use disorder, smoking-related diagnoses, and morbid obesity.<bold>Main Measures: </bold>Person-time data with incidence rate, adjusted hazard ratios (aHR) by the Cox model, AID-free survival functions compared with the log-rank test, and a sensitivity analysis on the time lag effect were presented. Incident AID within the first year of follow-up were excluded. The error rate was controlled using the Benjamini-Hochberg procedure.<bold>Key Results: </bold>With 39,550 and 129,914 person-years' follow-up for the chronic insomnia and CP groups (n = 5,736 and 17,208), respectively, we found an increased risk for subsequent AID, representing a 70 % increase in the aHR (1.7; 95 % confidence interval [CI], 1.5-1.9, p < 0.0001). A positive association between chronic insomnia and primary Sjögren's syndrome (pSS) was observed (aHR, 1.3; 95 % CI, 1.1-1.6). Sensitivity analysis disclosed that AID risk was even stronger after 5 years of follow-up (aHR, 2.0; 95 % CI, 1.7-2.4).<bold>Conclusion: </bold>Chronic insomnia requiring sleep-inducing pills may be associated with a 70 % increased risk for future AID, particularly pSS.
- Subjects
TAIWAN; AUTOIMMUNE diseases; INSOMNIA; HYPNOTICS; SENSITIVITY analysis; DISEASE incidence; DISEASE risk factors; AUTOIMMUNE disease diagnosis; CHRONIC diseases; LONGITUDINAL method; PUBLIC health surveillance; DIAGNOSIS
- Publication
JGIM: Journal of General Internal Medicine, 2016, Vol 31, Issue 9, p1019
- ISSN
0884-8734
- Publication type
journal article
- DOI
10.1007/s11606-016-3717-z