ImportanceCataract risk factors data will provide epidemic evidence for cataract prevention. BackgroundThis study aimed to study the risk factors for age-related cataract in a Chinese adult population. DesignThis is a population-based, cross-sectional study. ParticipantsA total of 10 234 eligible subjects 45 years old (response rate: 78.1%) were included in the study. MethodsWe conducted detailed eye examinations including presenting visual acuity, best-corrected visual acuity, slit lamp examination of lens opacities and fundus examination. Questionnaires about lifestyle were administered. Measurements of blood pressure, heart rate and body mass index were collected. Serological metabolic indicators, including fasting blood glucose, triglycerides, cholesterol, lipoprotein, were also evaluated. We used stepwise multivariate logistic regression model to evaluate the association of these risk factors with any cataract and subtypes of cataract. Main Outcome MeasuresOdds ratios of risk factors for cataract were calculated. ResultsFor any cataract, we found age, gender (female), increased outdoor activity, no outdoor eye protection, high myopia, high low-density lipoprotein, low high-density lipoprotein, lower education level and increased pickled food intake were independent risk factors. When further examined the risk factors of different subtypes of cataract, we found that these risk factors also existed, but there were slight differences among different subtypes. In addition, for cortical cataract, lower annual family income and high diastolic pressure were additional independent risk factors. Conclusions and RelevanceReduced outdoor activity, outdoor eye protection, prevention of high myopia, higher education level, controlled blood pressure, improved high-density lipoprotein and low-density lipoprotein levels and reduced pickled food intake may help to reduce the risk of age-related cataract development.
[1]Fudan Univ, Eye & ENT Hosp, Dept Ophthalmol, 83 Fenyang Rd, Shanghai 200031, Peoples R China.
[2]Fudan Univ, Minist Hlth, Myopia Key Lab, Shanghai, Peoples R China.
[3]Fudan Univ, Visual Impairment & Reconstruct Key Lab Shanghai, Shanghai, Peoples R China.
[4]Fudan Univ, Sch Life Sci, Collaborat Innovat Ctr Genet & Dev, State Key Lab Genet Engn, Shanghai, Peoples R China.
[5]Fudan Univ, Sch Life Sci, Collaborat Innovat Ctr Genet & Dev, MOE Key Lab Contemporary Anthropol, Shanghai, Peoples R China.
[6]Fudan Univ, Inst Biomed Sci, Shanghai, Peoples R China.
[7]Fudan Taizhou Inst Hlth Sci, Taizhou, Peoples R China.
[8]Taixing Peoples Hosp, Dept Ophthalmol, Taizhou, Peoples R China.
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