2001-2006年四种预防医学核心期刊关键词分析

目的了解我国进入21世纪以来预防医学工作的研究状况。方法运用词频分析法对预防医学类核心期刊中的4种影响力较高的综合性期刊2001～2006年刊登文章的所有关键词进行整理分析。结果在研究对象中，儿童一直是关注的焦点，2006年开始对青少年和大学生的重视程度提高到了与儿童相当的频次。研究方法中，流行病学方法和分子生物学相关方法是预防医学的主要研究方法。研究内容中，主要是从危险因素的角度来考虑疾病防治；疾病方面以高血压和肥胖的关注程度较高，2003年开始对糖尿病和艾滋病的重视程度有很大提高；微量元素中铅的研究文献较多。结论对农村地区预防医学关注较少，应加强对农村地区预防医学研究，以利改善农村地区卫生保健状况。

Analysis of the key words in four core preventive medicine journals, 2001～2006

Objective To understand hot-spot of preventive medicine research at the beginning of the 21st century. Methods To analyze all the key words in the articles from four highly influential comprehensive preventive medical journals from 2001 to 2006 through word frequency analysis. Results In research population, children have always been the focus of attention, and more attention was paid to young people and college students in 2006. In research methods, the epidemiological and the molecular biological methods have been the main preventive medicine research ones. As regards research content, risk factors have been mainly studied; hypertension and obesity has been focused on, and diabetes and AIDS have been paid more attention to since 2003; Lead on trace elements has received more attention gradually. Conclusions Close attention should be given to the research of preventive medicine in the rural areas.