西安市居民接种流感疫苗效果及影响因素研究

Study on effectiveness of influenza vaccination and the influencing factors for residents in Xi'an City

目的研究流感疫苗效果及其影响因素。方法随机整群抽样选择西安东方集团有限公司的2 818人进行问卷调查。接种组1 785人,未接种组1 033人。比较两组人群呼吸系统和心脑血管病住院率,并对疫苗降低住院率的影响因素进行logistic回归分析。结果接种组标化后住院率为7.7%,对照组为11.9%,接种组住院率仅为对照组的35.3%;影响疫苗效果的主要因素为高龄、中龄、心脑血管疾病、"接种*高龄"和"接种*中龄"。结论 2005年度西安市人群接种流感疫苗有较好效果,主要是通过降低中、高龄人群的住院率实现。

Objective To study the effectiveness of influenza vaccination and the influencing factors.Methods Totally 2 818 residents from Dongfang Company were investigated with questionnaire by random cluster sampling（1 785 residents for vaccination group and 1 033 for non-vaccination group）.The hospitalization rate of respiratory and cardiovascular diseases were compared.By using logistic regression analysis,the vaccination effectiveness and influencing factors of reducing hospitalization rates were analyzed.Results The standardized hospitalization rate of vaccination group （7.7%） was lower than that of control group（11.9%）,the reducing percentage was 35.3%.The main influencing factors were aged,middle-aged,cardiovascular diseases,＂vaccination＊aged＂,＂vaccination＊middle-aged＂.Conclusion There is better effectiveness of influenza vaccination for reducing hospitalization rate of respiratory diseases and cardiovascular diseases for aged and middle-aged residents in Xi＇an.