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Article in English | WPRIM | ID: wpr-878376


Climate change has been referred to as one of the greatest threats to human health, with reports citing likely increases in extreme meteorological events. In this study, we estimated the relationships between temperature and outpatients at a major hospital in Qingdao, China, during 2015-2017, and assessed the morbidity burden. The results showed that both low and high temperatures were associated with an increased risk of outpatient visits. High temperatures were responsible for more morbidity than low temperatures, with an attributed fraction (AF) of 16.86%. Most temperature-related burdens were attributed to moderate cold and hot temperatures, with AFs of 5.99% and 14.44%, respectively, with the young (0-17) and male showing greater susceptibility. The results suggest that governments should implement intervention measures to reduce the adverse effects of non-optimal temperatures on public health-especially in vulnerable groups.

Adolescent , Adult , Aged , Aged, 80 and over , Ambulatory Care/statistics & numerical data , Cardiovascular Diseases/therapy , Child , Child, Preschool , China/epidemiology , Cold Temperature/adverse effects , Cost of Illness , Digestive System Diseases/therapy , Facilities and Services Utilization/statistics & numerical data , Female , Hot Temperature/adverse effects , Humans , Infant , Infant, Newborn , Male , Middle Aged , Poisson Distribution , Respiratory Tract Diseases/therapy , Risk Factors , Young Adult
Article in English | WPRIM | ID: wpr-296536


This cross-sectional study aimed to examine the association between selenium levels and diabetes in an older population with life-long natural exposure to selenium in rural China. A total of 1856 subjects aged 65 years or older from four Chinese rural counties with different environmental selenium levels were evaluated. Analysis of covariance models and logistic regression models were used to examine the relationship between nail selenium levels and serum glucose, serum insulin, insulin resistance [using the Homeostatic Model Assessment for Insulin Resistance (HOMA-IR)], and the risk of diabetes. The mean nail selenium level was 0.461 μg/g and the prevalence rate of diabetes was 8.3% in this population. The mean nail selenium level was significantly higher in the group with diabetes than in the group without diabetes (P<0.0001). The adjusted odds ratios for diabetes were 2.65 (95% CI: 1.48 to 4.73), 2.47 (95% CI: 1.37 to 4.45), and 3.30 (95% CI: 1.85 to 5.88) from the second selenium quartile to the fourth quartile, respectively, compared with the first quartile group. The mean serum glucose and HOMA-IR in the higher selenium quartile groups were significantly higher than those of the lowest quartile group. However, no significant differences in insulin were observed among the four quartile groups. A long-term, higher level of exposure to selenium may be associated with a higher risk of diabetes. Future studies are needed to elucidate the association between selenium and insulin resistance.

Aged , Aged, 80 and over , China , Cross-Sectional Studies , Diabetes Mellitus , Metabolism , Female , Humans , Male , Nails , Metabolism , Rural Population , Selenium , Metabolism
Article in Chinese | WPRIM | ID: wpr-676795


Objective To know the apolipoprotein E(APOE)genotypes frequency of Chinese old people in the rural area. Methods 2000 Chinese aged 65 years or older from four sites in China were enrolled in this study in 2004-2008.Two sites were from the Sichuan province in southwestern China,and another two sites were from the Shandong province in eastern China.The finger blood samples on filter paper were collected from all the investigated people in the end of the interview.The genotype for apolipoprotein E(gene symbol,APOE)was determined by eluting DNA from a dried blood spot,followed by HhaI digestion of amplified products.Results Through statistical analysis,APOE genotypes frequency of Chinese people aged 65 years or older in the rural area,as for ?/?2,?2/?3,?2/?4,?3/?3,?3/?4,?4/?4,they were 1.1%,13.55%,2.05%,68.80%,13.35% and 1.15% respectively.4 carriers and no 4 carriers were 16.55% and 83.45%.Conclusion The distribution of APOE 4 genotype is more widely in Chinese people aged 65 years or older in the rural area.