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本研究采用分层整群抽样和目的抽样相结合的混合抽样方法,对北京城乡960名60岁以上老人9种常见病进行了流行病学现况调查。旨在弄清老年人主要常见病的分布规律及其影响因素,为进一步病因研究和防治研究提供线索和依据。
In this study, a mixed sampling method combining stratified cluster sampling and targeted sampling was used to investigate the epidemiological status of 9 common diseases in 960 elderly people over the age of 60 in urban and rural areas in Beijing. The aim is to clarify the distribution patterns and influencing factors of the major common diseases in the elderly, and to provide clues and evidence for further etiological research and prevention research.