ORCID Profile
0000-0002-5370-5536
Current Organisations
Capital Medical University School of Public Health
,
Capital Medical University
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Publisher: Public Library of Science (PLoS)
Date: 24-09-2014
Publisher: Public Library of Science (PLoS)
Date: 27-12-2012
Publisher: Wiley
Date: 28-10-2013
DOI: 10.1111/AOS.12299
Abstract: To determine the prevalence of myopia in school children in Greater Beijing. The Beijing Childhood Eye Study was a school-based cross-sectional study. One school of each level (primary, junior high, senior high) was randomly selected from nine randomly selected districts of Greater Beijing. The children underwent non-cycloplegic refractometry and their parents an interview. Of 16 771 eligible students, 15 066 (89.8%) children with a mean age of 13.2 ± 3.4 years (range: 7-18 years) participated. Prevalence of myopia defined as refractive error of ≤-0.50 diopters (D), ≤-1.00 D, ≤-6.00 D and ≤-8.00 D in the right eye was 64.9 ± 0.4%, 53.0 ± 0.4%, 4.3 ± 0.2% and 1.0 ± 0.1% respectively. In multivariate analysis, prevalence of myopia was significantly (p < 0.001) associated with higher age, female gender, urban region and school type. Prevalence of myopia of ≤-1.00 D and of ≤-8.0 D increased from 9.7% and 0% in 7 year olds, respectively, to 74.2% and 1.8% in 17- or 18 year olds respectively. The latter figure was already similar (p = 0.39) to the prevalence of high myopia in the elderly Beijing Eye Study population (1.6%). In a subset of 1082 children undergoing cycloplegia, difference in refractive error between prior to and after cycloplegia was 0.31 ± 0.47 diopters. On the basis of previous investigations from China, our study indicated an ongoing myopic shift in the young generation. Since the prevalence of high myopia in children aged 17 or 18 years was already similar to the one in the elderly Beijing population, the data prognosticate an increase in vision threatening high myopia in the future adult population.
Publisher: Public Library of Science (PLoS)
Date: 24-03-2015
Publisher: Elsevier BV
Date: 2017
DOI: 10.1016/J.ENVPOL.2016.09.065
Abstract: Fine particulate matter (PM
Publisher: Springer Science and Business Media LLC
Date: 02-05-2013
Abstract: Prevalence of metabolic syndrome is high and increasing in China. The causation of this disorder is, yet, to be fully understood. Several studies with confirmatory factor analysis have been performed to investigate the core of the disease in some races other than Chinese, and amongst the other studies, they have yielded a sound model fit. This study was to evaluate and compare two single-factor models of the underlying factor structure of metabolic syndrome in a Chinese population using confirmatory factor analysis. Findings showed that in a Chinese s le of 7,472 in iduals, Model 1 (with waist circumference, triglycerides/HDL-C ratio, fasting plasma glucose and mean artery pressure) yielded good level of fitness (SRMR 0.08, CFI 0.96 and RMSEA 0.10) in men and women of all age groups and Model 2 (with waist circumference, triglycerides, fasting plasma glucose and systolic blood pressure) fitted well in men aged 18–34 and over 60 and in all women, except in men of 35–59 (RMSEA = 0.142). In comparison, Model 2 were shown to be better fit (with relative larger GFI and smaller AIC, BIC, CAIC, and EVIC) in women of all age groups and in men of 18–34 and over 60 years old Model 1 had a better fit in men between 35 and 59. This study suggests that the single-factor model of metabolic syndrome with waist circumference, triglycerides, fasting plasma glucose and systolic blood pressure are plausible in women of all age groups and young and senior men in Beijing. The model with waist circumference, triglycerides/HDL-C ratio, fasting plasma glucose and mean artery pressure fits middle-aged men.
No related grants have been discovered for Qi Gao.