目的 调查中国省级脊髓灰质炎网络实验室人员免疫接种状况,分析其影响因素,为国家制定脊髓灰质炎网络实验室从业人员相关免疫策略提供参考.方法 2016年10-12月选取全国省级CDC脊髓灰质炎网络实验室全部从业人员为调查对象,采用问卷调查方式,收集该人群免疫接种状况,并利用SAS软件及趋势x2检验和确切概率法进行免疫影响因素的统计学分析,以P＜0.05为差异有统计学意义.结果 共调查77人,其中完成脊髓灰质炎基础免疫60人,17人(22％)基础免疫情况不详.从事脊髓灰质炎病毒工作后明确接种疫苗者为66人(86％),接种信息记录不完整者为11人(14％).影响免疫接种因素包括年龄(x2=2.48,P＜0.05)、职称(x2=2.51,P＜0.05)、工作时间(确切概率法计算:P＜0.0001)、学历(x2=0.74,P=0.46)、性别(x2=0.46,P=0.50).结论 目前我国省级脊髓灰质炎网络实验室人员免疫接种情况较好,其中完成≥3剂次者占41％,且接种信息记录完整,应加强新入职实验室人员免疫接种.%Objective To Investigate the immune status and influencing factors of provincial polio network laboratory (PNL) workers in China so as to provide evidence for the development of related strategies to protect personnel working at the PNLs.Methods All the practitioners from the PNLs at the provincial centers for disease control,were selected as objects for this study,from October to December,2016,under a questionnaire survey.Information on status of immunity and influencing factors was collected,with SAS software,trend chi-square used for statistics analysis.Results A total of 77 workers were involved in this survey,with 60 (78％) of them completed the polio-based immune program but the rest 17 (22％) remained records unclear.66 people (about 86％) remembered clearly that they had received vaccination when engaging in the polio-lab work,but the rest 11 (14％) with only partial vaccination records.We also noticed that the Influencing factors realted to vaccination status were:age (x2 =2.48,P＜0.05),title (x2 =2.51,P＜0.05),years of employment (P＜0.000 1),education (x2 =0.74,P=0.46) and gender (x2 =0.46,P=0.50).Conclusion Immune status of the Chinese provincial PNL practitioners appeared fairly good as 86％ of all the workers had received polio-related vaccination,with 41％ of them completed a 3-time inoculation program,when started working in this field.
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