Chronic non-infectious disease has become the main ailment threatening people's health and longevity.Using the CHARLS 2013 data,the paper explores the influence of socioeconomic status on chron-ic disease and the mediation effect between SES and chronic disease. Research showed that people with higher education level,work in government or institution organization,employed by company were more likely to be suffering from cardiovascular disease and less likely to be suffering from chronic respiratory dis-ease. The higher socioeconomic status group had higher proportion of drinking and higher BMI scores. These disadvantages may explain the higher risk of cardiovascular disease in this group.However,people with higher socioeconomic status also enjoy better living conditions and lower proportion of smoking,which reduced the prevalence of chronic respiratory disease.Research indicates that higher socioeconomic status people may have worse health condition and the result is different with other research in foreign countries. These results are useful in identifying vulnerable groups to chronic disease and relieving health inequality when we establish social and public health policies.%慢性病逐渐成为影响人们健康的主要疾病类型.本文使用CHARLS 2013年数据,通过Logistic回归和KHB分解的方法研究社会经济地位对中老年人慢性病患病的影响及其机制.研究结果显示较高教育水平、在政府或事业单位工作、在企业工作的群体相比务农人群患心脑血管疾病的可能性更高,患有慢性呼吸系统疾病的可能性更低.我们对其中的影响机制进行了分解,结果显示地位较高的群体饮酒比例更高、肥胖指数更高,这些不利因素导致了他们心脑血管疾病的患病风险较高;然而,地位高的群体有更好的生活条件、较少吸烟,因此他们更不容易患有慢性呼吸系统疾病.研究结果与国外研究形成了对比和呼应,在中国并非社会经济地位高的群体慢性病患病风险更低,其关系因不同的慢性病类型而异.此外,研究结果对于有效识别慢性病易感群体、积极干预及预防慢性病提供了理论支持.本研究提出对不同社会群体应采取不同的干预措施.针对较高社会阶层的易感人群应倡导良好、规律的生活方式;针对较低社会阶层的易感人群则需要通过医疗卫生政策、公共卫生服务、生活环境改善等多方面进行干预.
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