设计：以社区正常人群为研究对象，社区干预试验。
Design: Healthy people in community were taken as the objects and community intervention was designed.
试验组给予护理干预，对照组仅给予常规护理。
Test group were given nursing intervention, control group were given routine care.
试验组给予护理干预，对照组仅给予常规护理。
Test group were given nursing intervention, control group were given routine care.
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