Objectives: This study's objective was to examine association between sleep duration and sleep quality, and metabolic syndrome (MetS) and its components in Taiwanese male police officers. Material and Methods: Male police officers who underwent annual health examinations were invited to join the study and eventually a total of 796 subjects was included in it. The study subjects were divided into 5 groups according to the length (duration) of sleep: < 5, 5-5.9, 6-6.9, 7-7.9 and ≥ 8 h per day, and the global Pittsburgh Sleep Quality Index was used to categorize their sleep quality as good or poor. To analyze the association between sleep problems and MetS, adjusted odds ratio and respective 95% confidence intervals (CI) were computed. Results: The prevalence of MetS in Taiwanese male police officers was 24.5%. Abdominal obesity had the highest proportion (36.2%) among 5 components of MetS. More than 1/2 of the police officers (52.3%) had poor sleep quality. Police officers with higher scores of sleep disturbances had a higher prevalence of MetS (p = 0.029) and abdominal obesity (p = 0.009). After adjusting for age, low-density lipoprotein cholesterol, smoking status, alcohol drinking habit, physical habitual exercise, snoring and type of shift work, the police officers who slept less than 5 h were 88% more likely to suffer from abdominal obesity than those who slept 7-7.9 h (95% CI: 1.01-3.5). Sleep quality was not associated with MetS and its components. Conclusions: The police officers who slept less than 5 h were more likely to experience abdominal obesity in Taiwan, and those with higher scores of sleep disturbances had a higher prevalence of MetS and abdominal obesity. It is recommended that police officers with short sleep duration or sleep disturbances be screened for MetS and waist circumference in order to prevent cardiovascular diseases.
Schizophrenia was significantly associated with the risk of all-cause dementia. Data are scarce on the mechanisms through which antipsychotic agents protect persons with schizophrenia from developing dementia. Further research is recommended to elucidate the neurobiological mechanisms underlying the association between schizophrenia and dementia, and whether antipsychotics protect against the development of dementia in schizophrenia.
ObjectiveComplex sleep behaviors (CSBs) are classified as “parasomnias” in the International Classifcation of Sleep Disorders, Second Edition (ICSD-2). To realize the potential danger after taking two short-acting Z-hypnosedative drugs, we estimated the incidence of CSBs in nonpsychotic patients in Taiwan.MethodsSubjects (N = 1,220) using zolpidem or zopiclone were enrolled from the psychiatric outpatient clinics of a medical center in Taiwan over a 16-month period in 2006–2007. Subjects with zolpidem (N = 1,132) and subjects with zopiclone (N = 88) were analyzed. All subjects completed a questionnaire that included demographic data and complex sleep behaviors after taking hypnotics.ResultsAmong zolpidem and zopiclone users, 3.28% of patients reported incidents of somnambulism or amnesic sleep-related behavior problems. The incidence of CSBs with zolpidem and zopiclone were 3.27%, and 3.41%, respectively, which was signifcantly lower than other studies in Taiwan.ConclusionThese results serve as a reminder for clinicians to make inquiries regarding any unusual performance of parasomnic activities when prescribing zolpidem or zopiclone.
BackgroundLaboratory studies have demonstrated statin-induced apoptosis of cancer cells, including breast cancer cells, and evidence is accumulating on the mechanism of statin-induced apoptosis. However, despite numerous epidemiological studies, no consensus has been reached regarding the relationship between statin use and breast cancer risk.MethodsThis retrospective case–control study enrolled 4332 breast cancer patients and 21,660 age-matched controls registered in the National Health Insurance program of Taiwan, which covers approximately 99% of the population. The study cases were women for whom a diagnosis of breast cancer (ICD-9-CM code 174.X) had been recorded in LHID2005 between January 1, 2004 and December 31, 2010. A logistic regression model was adjusted for potential confounding factors, including the level of urbanization, and the Charlson Comorbidity Index was applied to assess potential comorbidities. We also considered possible bias caused by random urbanization, because nutrition and lifestyle factors are related to breast cancer incidence.ResultsOur results showed that lovastatin was associated with a lower risk of breast cancer (adjusted OR 0.596; 95% CI 0.497–0.714; p < 0.001), and atorvastatin exhibited a protective tendency against breast cancer (adjusted OR 0.887; 95% CI 0.776–1.013; p < 0.077).ConclusionsAlthough no consensus has been established regarding the relationship between statin use and breast cancer risk, our study indicated that lovastatin is a potential chemopreventive agent against breast cancer. Further detailed research is warranted.
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